St. Thomas, ON Weather

08:00 Thursday Artboard
Scattered clouds Scattered clouds 1° Feels like -2° Northeast Northeast 10 - 20 km/h
reloj Hourly Cloudy skies for the next few hours
  • Today 25 April Scattered clouds 10° / -1° Calm 13 - 35 km/h
  • Tomorrow 26 April Scattered clouds 17° / 0° Calm 21 - 38 km/h
  • Saturday 27 April Light rain 90% 9.8 mm 18° / 9° Calm 29 - 56 km/h
  • Sunday 28 April Scattered clouds 23° / 14° Calm 18 - 40 km/h
  • Monday 29 April Scattered clouds 23° / 13° Calm 21 - 44 km/h
  • Tuesday 30 April Light rain 80% 5.5 mm 22° / 14° Calm 17 - 40 km/h
  • Wednesday 1 May Light rain 40% 5.4 mm 22° / 13° Calm 13 - 34 km/h

Weather Forecast for St. Thomas, ON Today

, 25 April

Tomorrow

, 26 April
08:00 Scattered clouds 1° Scattered clouds
Feels Like -2°
Calm Northeast 10 - 20 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 15%
  • Feels Like Feels Like -2 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1030 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 20 km/h
  • Snowline Snowline 800 m
09:00 Scattered clouds 3° Scattered clouds
Feels Like 1°
Calm East 9 - 22 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point -2 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 1 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1030 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 800 m
10:00 Scattered clouds 6° Scattered clouds
Feels Like 4°
Calm East 10 - 24 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 62%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 52%
  • Feels Like Feels Like 4 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1030 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 700 m
11:00 Scattered clouds 7° Scattered clouds
Feels Like 6°
Calm East 8 - 24 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 56%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 34%
  • Feels Like Feels Like 6 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1030 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 800 m
12:00 Partly cloudy 9° Partly cloudy
Feels Like 8°
Calm East 6 - 23 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 52%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 88%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1030 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 23 km/h
  • Snowline Snowline 900 m
13:00 Partly cloudy 9° Partly cloudy
Feels Like 8°
Calm Southeast 7 - 23 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 50%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 79%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1029 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 23 km/h
  • Snowline Snowline 1000 m
Scattered clouds 14:00 Scattered clouds 9° Scattered clouds
Feels Like 7°
Calm South 11 - 29 km/h
UV Index 4 Moderate SPF: 6-10
Scattered clouds 14:00 Scattered clouds 9° Partly cloudy
Feels Like 7°
Calm South 11 - 29 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 51%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 23%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1029 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 1000 m
15:00 Clear 8° Clear
Feels Like 6°
Calm South 13 - 33 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 53%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 2%
  • Feels Like Feels Like 6 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1029 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 1200 m
16:00 Clear 8° Clear
Feels Like 7°
Calm South 13 - 33 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 53%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 1%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1028 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 1300 m
Clear 17:00 Clear 9° Clear
Feels Like 7°
Calm South 11 - 34 km/h
UV Index 2 Low SPF: no
Clear 17:00 Clear 9° Clear
Feels Like 7°
Calm South 11 - 34 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 51%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1028 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Snowline Snowline 1300 m
18:00 Clear 9° Clear
Feels Like 7°
Calm South 9 - 26 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 50%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 1%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1028 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 1300 m
19:00 Clear 8° Clear
Feels Like 7°
Calm South 8 - 21 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 52%
  • Dew Point Dew Point -2 °C
  • Clouds Clouds 9%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 21 km/h
  • Snowline Snowline 1300 m
Clear 20:00 Clear 5° Clear
Feels Like 5°
Calm Southwest 5 - 26 km/h
UV Index 0 Low SPF: no
Clear 20:00 Clear 5° Clear
Feels Like 5°
Calm Southwest 5 - 26 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 63%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 5 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1027 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 1300 m
21:00 Clear sky 3° Clear sky
Feels Like 2°
Calm West 6 - 11 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 2 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1028 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 1300 m
22:00 Clear sky 4° Clear sky
Feels Like 5°
Calm Northwest 2 - 8 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 63%
  • Dew Point Dew Point -3 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 5 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1028 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 8 km/h
  • Snowline Snowline 1200 m
Clear sky 23:00 Clear sky 4° Clear sky
Feels Like 5°
Calm North 2 - 11 km/h
UV Index 0 Low SPF: no
Clear sky 23:00 Clear sky 4° Clear sky
Feels Like 5°
Calm North 2 - 11 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 61%
  • Dew Point Dew Point -3 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 5 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1029 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 1300 m
24:00 Clear sky 2° Clear sky
Feels Like 1°
Calm Northeast 5 - 6 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -3 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 1 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1029 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 6 km/h
  • Snowline Snowline 1300 m

Pollution in St. Thomas

Detail
25
Fair O₃ (61 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs
Maximum Minimum Rainfall

Videos

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