St. Thomas, ON Weather

12:52 Friday Artboard
Light rain
Light rain
25° Feels like 26°
Rainfall 30% 0.1 mm
  • Today 20 June Light rain 70% 2.8 mm 25° / 15° Calm 15 - 38 km/h
  • Tomorrow 21 June Light rain 30% 0.1 mm 27° / 18° Calm 28 - 50 km/h
  • Sunday 22 June Sunny 29° / 22° Calm 26 - 50 km/h
  • Monday 23 June Sunny 30° / 23° Calm 19 - 39 km/h
  • Tuesday 24 June Light rain 50% 0.4 mm 32° / 24° Calm 15 - 36 km/h
  • Wednesday 25 June Thunderstorm 80% 3.8 mm 32° / 22° Calm 12 - 46 km/h
  • Thursday 26 June Moderate rain 60% 9.5 mm 26° / 19° Calm 20 - 44 km/h

Weather Forecast for St. Thomas, ON Today

, 20 June

Tomorrow

, 21 June
13:00 Light rain 30% 0.1 mm 25° Light rain
Feels Like 26°
Calm West 14 - 36 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 30% 0.1 mm
  • Humidity Humidity 64%
  • Dew Point Dew Point 17 °C
  • Clouds Clouds 54%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 11811 ft
14:00 Scattered clouds 25° Scattered clouds
Feels Like 26°
Calm Southwest 13 - 38 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 10% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 49%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Snowline Snowline 12139 ft
15:00 Light rain 50% 0.4 mm 24° Light rain
Feels Like 25°
Calm Southwest 15 - 36 km/h
UV Index 6 High SPF: 15-25
  • Rain Rain 50% 0.4 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 79%
  • Feels Like Feels Like 25 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 12467 ft
16:00 Light rain 50% 0.6 mm 22° Light rain
Feels Like 22°
Calm West 7 - 34 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 50% 0.6 mm
  • Humidity Humidity 83%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 85%
  • Feels Like Feels Like 22 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Snowline Snowline 12139 ft
17:00 Partly cloudy 23° Partly cloudy
Feels Like 23°
Calm West 7 - 36 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 20% 0 mm
  • Humidity Humidity 80%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 75%
  • Feels Like Feels Like 23 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 11811 ft
18:00 Overcast 24° Overcast
Feels Like 25°
Calm Southwest 11 - 26 km/h
UV Index 1 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 75%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 25 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 12467 ft
19:00 Partly cloudy 23° Partly cloudy
Feels Like 23°
Calm Southwest 8 - 22 km/h
UV Index 1 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 80%
  • Dew Point Dew Point 20 °C
  • Clouds Clouds 57%
  • Feels Like Feels Like 23 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 12467 ft
Partly cloudy 20:00 Partly cloudy 23° Partly cloudy
Feels Like 23°
Calm Southwest 9 - 26 km/h
UV Index 0 Low SPF: no
Partly cloudy 20:00 Partly cloudy 23° Partly cloudy
Feels Like 23°
Calm Southwest 9 - 26 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 82%
  • Dew Point Dew Point 20 °C
  • Clouds Clouds 73%
  • Feels Like Feels Like 23 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 12467 ft
21:00 Partly cloudy 21° Partly cloudy
Feels Like 21°
Calm South 6 - 15 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 89%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 71%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 12467 ft
22:00 Light rain 30% 0.8 mm 20° Light rain
Feels Like 20°
Calm South 8 - 17 km/h
UV Index 0 Low SPF: no
  • Rain Rain 30% 0.8 mm
  • Humidity Humidity 90%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 73%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 12139 ft
Light rain 23:00 Light rain 30% 0.8 mm 20° Light rain
Feels Like 20°
Calm East 3 - 17 km/h
UV Index 0 Low SPF: no
Light rain 23:00 Light rain 30% 1.7 mm 20° Light rain
Feels Like 20°
Calm East 3 - 17 km/h
UV Index 0 Low SPF: no
  • Rain Rain 30% 0.8 mm
  • Humidity Humidity 88%
  • Dew Point Dew Point 18 °C
  • Clouds Clouds 89%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 12467 ft
24:00 Light rain 30% 0.1 mm 20° Light rain
Feels Like 20°
Calm East 8 - 15 km/h
UV Index 0 Low SPF: no
  • Rain Rain 30% 0.1 mm
  • Humidity Humidity 87%
  • Dew Point Dew Point 17 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 11811 ft

Sunrise and Sunset

Sunrise 05:46 Sunset 21:06
First light 05:11 Midday 13:26 Last light 21:41
Day length 15h 20m

Remaining daylight 8h 49m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
20
Last Quarter 		21
Last Quarter 		22
Last Quarter
23
Last Quarter 		24
New Moon 		25
New Moon 		26
New Moon 		27
First Quarter 		28
First Quarter 		29
First Quarter
30
First Quarter 		1
First Quarter 		2
First Quarter 		3
First Quarter

Air quality in St. Thomas today

Detail
49
Moderate O₃ (125 µg/m³)
  • Possible health risk.
  • Enjoy your usual outdoor activities if you do not experience symptoms.
  • Sensitive people should limit prolonged or intense outdoor activities.

Weather graphs
Maximum Minimum Rainfall

Videos

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