St. Thomas, ON Weather

    00:00 Friday
    Clear
    Clear skies
    16° Feels like 16°
    Full Moon Full Moon Illuminated: 100%
    reloj Hourly Clear skies for the next few hours
    • Today 28 Aug. Light rain with partly cloudy skies 30% 0.4 mm 23° / 13° Moderate north wind 11 - 20 km/h
    • Tomorrow 29 Aug. Scattered clouds 24° / 15° Moderate southwest wind 15 - 31 km/h
    • Sunday 30 Aug. Light rain with partly cloudy skies 60% 1.2 mm 26° / 20° Moderate southwest wind 17 - 34 km/h
    • Monday 31 Aug. Thunderstorm with partly cloudy skies 70% 0.5 mm 27° / 20° Moderate south wind 11 - 27 km/h
    • Tuesday 1 Sept. Light rain with partly cloudy skies 60% 4.6 mm 27° / 22° Moderate southwest wind 15 - 32 km/h
    • Wednesday 2 Sept. Thunderstorm with partly cloudy skies 70% 5.7 mm 28° / 21° Moderate southwest wind 18 - 44 km/h
    • Thursday 3 Sept. Clear 24° / 15° Moderate northwest wind 19 - 43 km/h

    Weather Forecast for St. Thomas, ON Today

    , 28 August

    Tomorrow

    , 29 August
    01:00 Clear skies 16° Clear
    Feels Like 16°
    Moderate north wind North 10 - 20 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 93%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 13123 ft
    02:00 Clear skies 16° Clear
    Feels Like 16°
    Gentle north wind North 9 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 95%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 13123 ft
    03:00 Clear skies 15° Clear
    Feels Like 15°
    Gentle north wind North 10 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 12795 ft
    04:00 Clear skies 15° Clear
    Feels Like 15°
    Gentle northwest wind Northwest 11 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 12795 ft
    Clear 05:00 Clear skies 14° Clear
    Feels Like 14°
    Gentle north wind North 11 - 19 km/h
    		UV Index 0 Low SPF: no
    05:00 Clear skies 14° Clear
    Feels Like 14°
    Gentle north wind North 11 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 16 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 12795 ft
    06:00 Clear skies 14° Clear
    Feels Like 14°
    Gentle north wind North 11 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 16 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 12795 ft
    07:00 Clear 13° Sunny
    Feels Like 13°
    Gentle north wind North 9 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 16 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 12467 ft
    Sunny 08:00 Clear 14° Sunny
    Feels Like 14°
    Gentle north wind North 10 - 18 km/h
    		UV Index 0 Low SPF: no
    08:00 Clear 14° Sunny
    Feels Like 14°
    Gentle north wind North 10 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 94%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 12467 ft
    09:00 Clear 16° Sunny
    Feels Like 16°
    Gentle northeast wind Northeast 7 - 18 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 12139 ft
    10:00 Clear 18° Sunny
    Feels Like 18°
    Gentle northeast wind Northeast 7 - 17 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 12139 ft
    Sunny 11:00 Clear 20° Sunny
    Feels Like 20°
    Gentle northeast wind Northeast 6 - 18 km/h
    		UV Index 4 Moderate SPF: 6-10
    11:00 Clear 20° Sunny
    Feels Like 20°
    Gentle northeast wind Northeast 6 - 18 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 12139 ft
    12:00 Clear 21° Sunny
    Feels Like 21°
    Gentle north wind North 4 - 17 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 12139 ft
    13:00 Scattered clouds 21° Scattered clouds
    Feels Like 21°
    Gentle northwest wind Northwest 3 - 15 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 24%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 12795 ft
    Light rain 14:00 Light rain with partly cloudy skies 30% 0.004 mm 22° Light rain
    Feels Like 22°
    Gentle northwest wind Northwest 4 - 15 km/h
    		UV Index 6 High SPF: 15-25
    14:00 Light rain with partly cloudy skies 30% 0.3 mm 22° Light rain
    Feels Like 22°
    Gentle northwest wind Northwest 4 - 15 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 30% 0.004 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 26%
    • Feels Like Feels Like 22 °C
    • Visibility Visibility 8 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 13780 ft
    15:00 Light rain with partly cloudy skies 30% 0.008 mm 22° Light rain
    Feels Like 22°
    Gentle northwest wind Northwest 5 - 17 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 30% 0.008 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 16%
    • Feels Like Feels Like 22 °C
    • Visibility Visibility 9 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 13780 ft
    16:00 Light rain with partly cloudy skies 30% 0.004 mm 22° Light rain
    Feels Like 25°
    Gentle west wind West 5 - 17 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 30% 0.004 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 15%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 12 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 13780 ft
    Sunny 17:00 Clear 22° Sunny
    Feels Like 25°
    Gentle west wind West 4 - 15 km/h
    		UV Index 2 Low SPF: no
    17:00 Light rain with partly cloudy skies 30% 0.1 mm 22° Light rain
    Feels Like 25°
    Gentle west wind West 4 - 15 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 7%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 13780 ft
    18:00 Clear 22° Sunny
    Feels Like 22°
    Gentle northwest wind Northwest 5 - 13 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like 22 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 13780 ft
    19:00 Clear 21° Sunny
    Feels Like 21°
    Gentle northwest wind Northwest 5 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 5%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 13451 ft
    Sunny 20:00 Clear 19° Sunny
    Feels Like 19°
    Gentle north wind North 7 - 12 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear 19° Sunny
    Feels Like 19°
    Gentle north wind North 7 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 13451 ft
    21:00 Clear skies 17° Clear
    Feels Like 17°
    Gentle north wind North 7 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 2%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 13451 ft
    22:00 Clear skies 16° Clear
    Feels Like 16°
    Gentle northeast wind Northeast 5 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 84%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 2%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Snowline Snowline 13451 ft
    Clear 23:00 Clear skies 16° Clear
    Feels Like 16°
    Gentle east wind East 4 - 8 km/h
    		UV Index 0 Low SPF: no
    23:00 Clear skies 16° Clear
    Feels Like 16°
    Gentle east wind East 4 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 88%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 8 km/h
    • Snowline Snowline 13451 ft
    24:00 Clear skies 15° Clear
    Feels Like 15°
    Gentle east wind East 4 - 7 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 7 km/h
    • Snowline Snowline 13123 ft

    Air quality in St. Thomas today

    Detail
    32
    Fair O₃ (80 µg/m³)

    Sunrise and Sunset

    Sunrise 06:45 Sunset 20:05
    First light 06:15 Midday 13:25 Last light 20:35
    Day length 13h 21m

    Time remaining until sunrise 6h 30m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    28 Full Moon
    29 Full Moon
    30 Last Quarter
    31 Last Quarter
    1 Last Quarter
    2 Last Quarter
    3 Last Quarter
    4 Last Quarter
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 New Moon
    10 New Moon

    What is the weather like in St. Thomas, ON in August?

    • Avg. Temp.
      Avg. Temp.: 21 °C Max.: 25 °C Min: 18 °C
    • Rainy Days
      Rainy Days: 11 days
    • Accumulated Rainfall
      Accumulated Rainfall: 87 mm
    • Average Wind Speed
      Average Wind Speed: 13 km/h

    Weather graphs

    Videos

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