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Thunder Bay, Ontario

54°F
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Thunder Bay

Ontario

54°
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Thunder Bay, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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2 PM

54°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

RealFeel Shade™49°

WindSE 12 mph

Air QualityExcellent

Max UV Index7.4 (High)

Wind Gusts22 mph

Humidity32%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover12%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

55°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

RealFeel Shade™49°

WindSE 12 mph

Air QualityExcellent

Max UV Index5.8 (High)

Wind Gusts22 mph

Humidity34%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

54°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

RealFeel Shade™48°

WindSE 12 mph

Air QualityExcellent

Max UV Index4.3 (Moderate)

Wind Gusts21 mph

Humidity37%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

52°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

RealFeel Shade™47°

WindSE 12 mph

Air QualityFair

Max UV Index3.1 (Moderate)

Wind Gusts21 mph

Humidity38%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

51°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

RealFeel Shade™45°

WindSE 10 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts20 mph

Humidity41%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

49°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

RealFeel Shade™43°

WindESE 10 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts18 mph

Humidity46%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

49°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

RealFeel Shade™45°

WindESE 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts17 mph

Humidity46%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

48°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

RealFeel Shade™43°

WindE 8 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts16 mph

Humidity48%

Indoor Humidity37% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

45°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

WindE 7 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity53%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

42°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Yellow Advisory - Frost

4:01 AM Thursday - 10:00 AM Friday

WindENE 6 mph

Air QualityExcellent

Wind Gusts14 mph

Humidity59%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover62%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Thunder Bay

AccuWeather's hourly forecast for Thunder Bay provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 54° with a RealFeel® of 58°, mostly sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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