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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
Thu 19
Mar		01:00

SW
SW

 8 / 16 mph 24 / 16°F 95% 1016 mb
Low level cloud: 65%
Mid level cloud: 46%
High level cloud: 1%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 8 / 16 mph 24 / 15°F 94% 1016 mb
Low level cloud: 96%
Mid level cloud: 19%
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

W
W

 8 / 14 mph 30 / 22°F 94% 1018 mb
Low level cloud: 87%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 9 / 13 mph 34 / 26°F 92% 1020 mb
Low level cloud: 75%
Mid level cloud: 1%
High level cloud: 6%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 8 / 12 mph 34 / 28°F 92% 1020 mb
Low level cloud: 97%
Mid level cloud: 0%
High level cloud: 24%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 6 / 10 mph 35 / 29°F 90% 1021 mb
Low level cloud: 49%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

 3 / 6 mph 31 / 28°F 94% 1022 mb
Low level cloud: 21%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 8 / 13 mph 31 / 24°F 94% 1019 mb
Low level cloud: 33%
Mid level cloud: 52%
High level cloud: 56%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 20
Mar		01:00

SSE
SSE

 9 / 14 mph 33 / 25°F 95% 1016 mb
Low level cloud: 57%
Mid level cloud: 100%
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

SE
SE

 11 / 20 mph 32 / 23°F 97% 1011 mb
Low level cloud: 99%
Mid level cloud: 100%
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

S
S

 6 / 13 mph 32 / 25°F 99% 1008 mb
Low level cloud: 100%
Mid level cloud: 76%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
10:00

WNW
WNW

 5 / 9 mph 35 / 30°F 99% 1008 mb
Low level cloud: 92%
Mid level cloud: 26%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

N
N

 10 / 11 mph 38 / 31°F 99% 1009 mb
Low level cloud: 95%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

 7 / 9 mph 39 / 33°F 94% 1011 mb
Low level cloud: 91%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

 9 / 11 mph 36 / 29°F 88% 1014 mb
Low level cloud: 94%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

 4 / 6 mph 34 / 30°F 89% 1015 mb
Low level cloud: 84%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
85%
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:

Over the next 7 days the Thunder Bay forecast suggests the average daytime maximum temperature will be around 2°C, with a high for the week of 8°C expected on the afternoon of Thursday 26th. The mean minimum temperature will be -6°C, dipping to its lowest on the morning of Wednesday 25th at -13°C. The week ahead will have mixed overhead conditions with some days dry and some seeing a significant amount of rain or snow. Predictions are Sunday 25th will have the most precipitation with an accumulation of around 21.0mm. On the whole winds are likely to be moderate. The strongest wind will be experienced on Thursday morning, coming from a southerly direction, and reaching around 26mph.

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