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Bonneville Dam 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Bonneville Dam

Washington, United States Of America

Long range weather outlook for Bonneville Dam includes 14 day forecast summary:

The outlook for Bonneville Dam in the two weeks ahead shows the average daytime maximum temperature will be around 19°C, with a high for the two weeks of 25°C expected on the afternoon of Friday 31st. The average minimum temperature will be 7°C, dipping to its lowest on the morning of Sunday 26th at 2°C. The next 14 days will have some days seeing a little precipitation and some days with rain. It looks like Monday 3rd will have the most precipitation with an accumulation of around 9.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Sat 25
May		01:00

WSW
WSW

 6 / 7 mph 48 / 45°F 98%
Low level cloud: 74%
Mid level cloud: 83%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 5 / 7 mph 45 / 42°F 98%
Low level cloud: 78%
Mid level cloud: 53%
High level cloud: 71%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 6 / 8 mph 47 / 43°F 95%
Low level cloud: 57%
Mid level cloud: 57%
High level cloud: 99%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 10 / 12 mph 50 / 46°F 83%
Low level cloud: 85%
Mid level cloud: 63%
High level cloud: 91%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 9 / 11 mph 50 / 47°F 79%
Low level cloud: 78%
Mid level cloud: 59%
High level cloud: 10%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 7 / 9 mph 52 / 48°F 75%
Low level cloud: 69%
Mid level cloud: 63%
High level cloud: 3%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 7 / 8 mph 52 / 48°F 74%
Low level cloud: 41%
Mid level cloud: 55%
High level cloud: 32%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 5 / 11 mph 38 / 34°F 91%
Low level cloud: 19%
Mid level cloud: 29%
High level cloud: 11%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 26
May		16:00

W
W

 7 / 8 mph 68 / 65°F 52%
Low level cloud: 3%
Mid level cloud: 43%
High level cloud: 28%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 4 / 6 mph 55 / 53°F 76%
Low level cloud: 9%
Mid level cloud: 24%
High level cloud: 19%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 1 / 3 mph 44 / 44°F 94%
Low level cloud: 13%
Mid level cloud: 23%
High level cloud: 31%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 27
May		01:00

WNW
WNW

 1 / 2 mph 43 / 43°F 93%
Low level cloud: 12%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 1 / 2 mph 43 / 43°F 94%
Low level cloud: 15%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

W
W

 2 / 2 mph 60 / 58°F 70%
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

 4 / 4 mph 72 / 69°F 49%
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 67%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 7 / 8 mph 76 / 76°F 41%
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 32%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 7 / 8 mph 76 / 76°F 41%
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 14%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 5 / 9 mph 59 / 57°F 69%
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 16%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 3 / 6 mph 48 / 48°F 94%
Low level cloud: 14%
Mid level cloud: 9%
High level cloud: 32%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 28
May		01:00

WSW
WSW

 3 / 6 mph 46 / 45°F 97%
Low level cloud: 38%
Mid level cloud: 13%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 4 / 7 mph 43 / 41°F 99%
Low level cloud: 65%
Mid level cloud: 23%
High level cloud: 80%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 5 / 6 mph 55 / 52°F 87%
Low level cloud: 48%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 7 / 9 mph 61 / 59°F 61%
Low level cloud: 43%
Mid level cloud: 60%
High level cloud: 42%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 7 / 9 mph 56 / 54°F 77%
Low level cloud: 93%
Mid level cloud: 78%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 6 / 7 mph 52 / 50°F 92%
Low level cloud: 88%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 5 / 6 mph 51 / 49°F 97%
Low level cloud: 88%
Mid level cloud: 50%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 4 / 5 mph 50 / 49°F 98%
Low level cloud: 80%
Mid level cloud: 46%
High level cloud: 8%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 29
May		01:00

WSW
WSW

 4 / 5 mph 49 / 47°F 99%
Low level cloud: 88%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 5 / 7 mph 48 / 46°F 98%
Low level cloud: 84%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 6 / 7 mph 49 / 46°F 96%
Low level cloud: 84%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 8 / 11 mph 50 / 47°F 92%
Low level cloud: 89%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

W
W

 8 / 12 mph 50 / 47°F 93%
Low level cloud: 73%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

W
W

 9 / 12 mph 52 / 49°F 89%
Low level cloud: 84%
Mid level cloud: 50%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

W
W

 6 / 8 mph 45 / 41°F 93%
Low level cloud: 32%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 5 / 10 mph 36 / 32°F 98%
Low level cloud: 47%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 30
May		01:00

WSW
WSW

 5 / 6 mph 40 / 37°F 98%
Low level cloud: 81%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 5 / 6 mph 42 / 38°F 99%
Low level cloud: 80%
Mid level cloud: 2%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 5 / 6 mph 47 / 44°F 90%
Low level cloud: 76%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 5 / 6 mph 53 / 50°F 65%
Low level cloud: 65%
Mid level cloud: 2%
High level cloud: 22%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

 7 / 8 mph 65 / 63°F 40%
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 8 / 9 mph 68 / 66°F 33%
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 5%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 5 / 10 mph 53 / 50°F 56%
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 5%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 2 / 5 mph 42 / 42°F 81%
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 6%
Most Significant Cloud Type: high
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 31
May		01:00

WSW
WSW

 2 / 3 mph 39 / 39°F 90%
Low level cloud: 4%
Mid level cloud: 3%
High level cloud: 7%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 0 / 1 mph 38 / 38°F 91%
Low level cloud: 3%
Mid level cloud: 2%
High level cloud: 3%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 1 / 1 mph 58 / 56°F 56%
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 1 / 1 mph 72 / 69°F 35%
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 81%
Most Significant Cloud Type: high
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

 2 / 2 mph 78 / 75°F 32%
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 34%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 5 / 6 mph 77 / 76°F 36%
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 4 / 8 mph 58 / 56°F 69%
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 3 / 7 mph 50 / 49°F 73%
Low level cloud: 0%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Sat 01
Jun		04:00

ENE
ENE

 4 / 9 mph 48 / 46°F 51%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
10:00

WSW
WSW

 6 / 13 mph 71 / 71°F 40%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
16:00

WSW
WSW

 5 / 9 mph 71 / 71°F 48%
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 79%
Most Significant Cloud Type: medium
47%
0.0 In
22:00

WSW
WSW

 2 / 5 mph 46 / 46°F 91%
Low level cloud: 5%
Mid level cloud: 3%
High level cloud: 7%
Most Significant Cloud Type: low
7%
0.0 In
Sun 02
Jun		04:00

SW
SW

 2 / 4 mph 53 / 54°F 99%
Low level cloud: 96%
Mid level cloud: 89%
High level cloud: 78%
Most Significant Cloud Type: low
100%
0.0 In
10:00

WSW
WSW

 4 / 8 mph 53 / 52°F 98%
Low level cloud: 85%
Mid level cloud: 68%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
16:00

WSW
WSW

 9 / 17 mph 67 / 67°F 50%
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 99%
Most Significant Cloud Type: medium
48%
0.0 In
22:00

SW
SW

 2 / 4 mph 57 / 58°F 99%
Low level cloud: 93%
Mid level cloud: 67%
High level cloud: 10%
Most Significant Cloud Type: low
100%
0.0 In
Mon 03
Jun		04:00

WNW
WNW

 1 / 2 mph 50 / 50°F 77%
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: medium
20%
0.0 In
10:00

WSW
WSW

 2 / 5 mph 59 / 60°F 98%
Low level cloud: 87%
Mid level cloud: 86%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
16:00

WSW
WSW

 10 / 20 mph 76 / 78°F 51%
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 4%
Most Significant Cloud Type: medium
42%
0.0 In
22:00

WSW
WSW

 3 / 7 mph 58 / 58°F 100%
Low level cloud: 98%
Mid level cloud: 93%
High level cloud: 97%
Most Significant Cloud Type: low
100%
0.3 In
Tue 04
Jun		04:00

WSW
WSW

 2 / 5 mph 58 / 60°F 94%
Low level cloud: 92%
Mid level cloud: 80%
High level cloud: 18%
Most Significant Cloud Type: low
100%
0.0 In
10:00

WSW
WSW

 6 / 12 mph 64 / 64°F 63%
Low level cloud: 37%
Mid level cloud: 45%
High level cloud: 56%
Most Significant Cloud Type: low
59%
0.2 In
16:00

WSW
WSW

 4 / 7 mph 61 / 62°F 99%
Low level cloud: 90%
Mid level cloud: 46%
High level cloud: 41%
Most Significant Cloud Type: low
100%
0.1 In
22:00

SW
SW

 2 / 4 mph 48 / 49°F 97%
Low level cloud: 43%
Mid level cloud: 54%
High level cloud: 100%
Most Significant Cloud Type: low
73%
0.1 In
Wed 05
Jun		04:00

W
W

 4 / 9 mph 50 / 49°F 99%
Low level cloud: 81%
Mid level cloud: 18%
High level cloud: 18%
Most Significant Cloud Type: low
89%
0.0 In
10:00

SSE
SSE

 2 / 3 mph 69 / 69°F 46%
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
0.0 In
16:00

W
W

 7 / 15 mph 70 / 70°F 36%
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 9%
Most Significant Cloud Type: medium
5%
0.0 In
22:00

ENE
ENE

 3 / 6 mph 51 / 51°F 97%
Low level cloud: 45%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
89%
0.0 In
Thu 06
Jun		04:00

NE
NE

 2 / 5 mph 46 / 45°F 66%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 99%
Most Significant Cloud Type: high
98%
0.0 In
10:00

SE
SE

 1 / 2 mph 57 / 58°F 98%
Low level cloud: 72%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
16:00

ENE
ENE

 4 / 7 mph 84 / 82°F 27%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
22:00

W
W

 4 / 9 mph 47 / 46°F 99%
Low level cloud: 96%
Mid level cloud: 80%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.6 In
Fri 07
Jun		04:00

ENE
ENE

 4 / 9 mph 55 / 54°F 56%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
10:00

WSW
WSW

 4 / 8 mph 47 / 45°F 98%
Low level cloud: 92%
Mid level cloud: 58%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
16:00

ENE
ENE

 6 / 11 mph 93 / 90°F 21%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
22:00

SW
SW

 3 / 6 mph 40 / 39°F 97%
Low level cloud: 55%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.2 In
Sat 08
Jun		04:00

ENE
ENE

 5 / 11 mph 61 / 61°F 45%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
10:00

WSW
WSW

 4 / 9 mph 50 / 49°F 94%
Low level cloud: 65%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
81%
0.1 In
16:00

NE
NE

 4 / 8 mph 99 / 98°F 22%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
22:00

SW
SW

 2 / 5 mph 42 / 41°F 96%
Low level cloud: 7%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
Sun 09
Jun		04:00

W
W

 1 / 1 mph 65 / 65°F 80%
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
10:00

W
W

 5 / 11 mph 66 / 66°F 42%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
16:00

W
W

 8 / 17 mph 94 / 95°F 32%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
22:00

WSW
WSW

 2 / 3 mph 48 / 48°F 88%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure