Thunder Bay, ON Weather

    03:00 Sunday
    Clear
    Clear skies
    -18° Feels like -28°
    Moderate northwest wind Northwest 20 - 41 km/h
    • Today 21 Dec. Partly cloudy -13° / -21° Moderate northwest wind 25 - 49 km/h
    • Tomorrow 22 Dec. Snow with cloudy skies 50% 0.3 mm -1° / -15° Moderate southeast wind 17 - 30 km/h
    • Tuesday 23 Dec. Snow with partly cloudy skies 70% 2.4 mm 0° / -17° Strong northwest wind 32 - 64 km/h
    • Wednesday 24 Dec. Partly cloudy -3° / -17° Gentle northwest wind 6 - 15 km/h
    • Thursday 25 Dec. Snow with partly cloudy skies 80% 4.1 mm -6° / -12° Moderate northeast wind 19 - 36 km/h
    • Friday 26 Dec. Overcast -5° / -12° Moderate northeast wind 12 - 31 km/h
    • Saturday 27 Dec. Snow with cloudy skies 60% 3.5 mm 2° / -9° Strong northwest wind 25 - 51 km/h

    Weather Forecast for Thunder Bay, ON Today

    , 21 December

    Tomorrow

    , 22 December
    04:00 Clear skies -18° Clear
    Feels Like -28°
    Moderate northwest wind Northwest 20 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point -22 °C
    • Clouds Clouds 2%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -28 °C
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1023 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Visibility Visibility 65 km
    05:00 Clear skies -19° Clear
    Feels Like -28°
    Moderate northwest wind Northwest 18 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point -22 °C
    • Clouds Clouds 1%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -28 °C
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Visibility Visibility 65 km
    06:00 Clear skies -20° Clear
    Feels Like -28°
    Moderate northwest wind Northwest 15 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -22 °C
    • Clouds Clouds 1%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -28 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Visibility Visibility 55 km
    07:00 Clear skies -20° Clear
    Feels Like -28°
    Moderate northwest wind Northwest 14 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -23 °C
    • Clouds Clouds 5%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -28 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Visibility Visibility 55 km
    Scattered clouds 08:00 Scattered clouds -21° Scattered clouds
    Feels Like -29°
    Moderate northwest wind Northwest 13 - 26 km/h
    		UV Index 0 Low SPF: no
    08:00 Partly cloudy -21° Partly cloudy
    Feels Like -29°
    Moderate northwest wind Northwest 13 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -23 °C
    • Clouds Clouds 28%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -29 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1027 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 55 km
    09:00 Partly cloudy -21° Partly cloudy
    Feels Like -29°
    Moderate northwest wind Northwest 13 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -24 °C
    • Clouds Clouds 89%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -29 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1027 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 55 km
    10:00 Scattered clouds -20° Scattered clouds
    Feels Like -27°
    Moderate northwest wind Northwest 12 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point -23 °C
    • Clouds Clouds 46%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -27 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1028 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Visibility Visibility 60 km
    Scattered clouds 11:00 Scattered clouds -19° Scattered clouds
    Feels Like -26°
    Moderate northwest wind Northwest 11 - 23 km/h
    		UV Index 0 Low SPF: no
    11:00 Partly cloudy -19° Partly cloudy
    Feels Like -26°
    Moderate northwest wind Northwest 11 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point -23 °C
    • Clouds Clouds 28%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -26 °C
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1028 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Visibility Visibility 60 km
    12:00 Partly cloudy -18° Partly cloudy
    Feels Like -24°
    Moderate west wind West 10 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -22 °C
    • Clouds Clouds 63%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -24 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1028 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 65 km
    13:00 Overcast -16° Overcast
    Feels Like -21°
    Moderate west wind West 9 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -21 °C
    • Clouds Clouds 96%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -21 °C
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1027 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 60 km
    Partly cloudy 14:00 Partly cloudy -15° Partly cloudy
    Feels Like -19°
    Gentle west wind West 7 - 19 km/h
    		UV Index 0 Low SPF: no
    14:00 Overcast -15° Overcast
    Feels Like -19°
    Gentle west wind West 7 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -20 °C
    • Clouds Clouds 92%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Visibility Visibility 70 km
    15:00 Overcast -14° Overcast
    Feels Like -17°
    Gentle west wind West 6 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point -19 °C
    • Clouds Clouds 98%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Visibility Visibility 70 km
    16:00 Overcast -14° Overcast
    Feels Like -15°
    Gentle west wind West 3 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -19 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -15 °C
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Visibility Visibility 50 km
    Overcast 17:00 Overcast -13° Overcast
    Feels Like -12°
    Gentle northwest wind Northwest 1 - 7 km/h
    		UV Index 0 Low SPF: no
    17:00 Overcast -13° Overcast
    Feels Like -12°
    Gentle northwest wind Northwest 1 - 7 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -12 °C
    • Wind Wind - Average 1 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 7 km/h
    • Visibility Visibility 25 km
    18:00 Overcast -14° Overcast
    Feels Like -13°
    Gentle north wind North 2 - 6 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -13 °C
    • Wind Wind - Average 2 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 6 km/h
    • Visibility Visibility 20 km
    19:00 Partly cloudy -14° Partly cloudy
    Feels Like -16°
    Gentle north wind North 4 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point -17 °C
    • Clouds Clouds 92%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -16 °C
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 10 km/h
    • Visibility Visibility 55 km
    Overcast 20:00 Overcast -15° Overcast
    Feels Like -18°
    Gentle north wind North 5 - 11 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast -15° Overcast
    Feels Like -18°
    Gentle north wind North 5 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Visibility Visibility 55 km
    21:00 Overcast -16° Overcast
    Feels Like -19°
    Gentle north wind North 5 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 96%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -19 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 10 km/h
    • Visibility Visibility 45 km
    22:00 Partly cloudy -15° Partly cloudy
    Feels Like -18°
    Gentle north wind North 5 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 92%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -18 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1025 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Visibility Visibility 45 km
    Overcast 23:00 Overcast -15° Overcast
    Feels Like -17°
    Gentle northwest wind Northwest 5 - 11 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast -15° Overcast
    Feels Like -17°
    Gentle northwest wind Northwest 5 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -18 °C
    • Clouds Clouds 97%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Visibility Visibility 40 km
    24:00 Overcast -14° Overcast
    Feels Like -17°
    Gentle northwest wind Northwest 4 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point -17 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 3.54 in
    • Feels Like Feels Like -17 °C
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1026 hPa
    • Snowline Snowline 0 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 10 km/h
    • Visibility Visibility 45 km

    Sunrise and Sunset

    Sunrise 08:46 Sunset 17:05
    First light 08:09 Midday 12:55 Last light 17:41
    Day length 8h 19m

    Time remaining until sunrise 4h 47m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    21 New Moon
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter
    2 Full Moon
    3 Full Moon

    Air quality in Thunder Bay today

    Detail
    34
    Fair O₃ (84 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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