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Thunder Bay Weather Forecast

Temperature, wind, rain and more for Thunder Bay

Michigan, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 13
Dec		10:00

WNW
WNW

 13 / 16 mph 16 / 2°F 82% 1015 mb
Low level cloud: 21%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

 15 / 18 mph 17 / 2°F 71% 1015 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

 15 / 19 mph 14 / -1°F 73% 1017 mb
Low level cloud: 21%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 13 / 20 mph 10 / -5°F 84% 1018 mb
Low level cloud: 4%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

 14 / 21 mph 10 / -6°F 82% 1018 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 14
Dec		01:00

W
W

 16 / 19 mph 13 / -3°F 80% 1019 mb
Low level cloud: 8%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 13 / 15 mph 16 / 2°F 90% 1020 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

 15 / 18 mph 15 / 0°F 92% 1022 mb
Low level cloud: 96%
Mid level cloud: 95%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

 17 / 24 mph 15 / -1°F 82% 1025 mb
Low level cloud: 100%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 15 / 23 mph 18 / 4°F 78% 1027 mb
Low level cloud: 100%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 13 / 25 mph 19 / 6°F 79% 1028 mb
Low level cloud: 100%
Mid level cloud: 12%
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

WNW
WNW

 10 / 20 mph 18 / 6°F 87% 1030 mb
Low level cloud: 100%
Mid level cloud: 4%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 8 / 17 mph 15 / 4°F 89% 1029 mb
Low level cloud: 59%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In

Other Locations Near to Thunder Bay

The 7 day weather forecast summary for Thunder Bay:

The next 7 day outlook for Thunder Bay shows the average daytime maximum temperature will be around 1°C, with a high for the week of 7°C expected on the afternoon of Thursday 18th. The average minimum temperature will be -8°C, dipping to its lowest on the evening of Saturday 13th at -13°C. Expect the week ahead to have mixed weather with some days dry and some seeing a little rain, sleet or snow. It looks like Saturday 13th will have the most precipitation with an accumulation of around 10.0mm. On the whole winds are likely to be fresh.

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

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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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