Current Conditions

St. Thomas, Ontario

45°F7°C
Cloudy

Feels like40°F4°C

Cloudy. Temperatures will hold near 46°F, feeling as cold as 40°F. There is a marginal chance of drizzle. A breeze from the NE at 12 mph.Cloudy. Temperatures will hold near 8°C, feeling as cold as 4°C. There is a marginal chance of drizzle. A breeze from the NE at 19 km/h.

Wind

NE 12 mph20 km/h

Humidity

87%

Cloud Cover

99%

As of Thursday, November 12, 2026 at 1:47 AM EST

Today's Outlook

Day

There is a low chance of drizzle in the morning. Temperatures will hold near 44°F, feeling as cold as 36°F. Cloudy, with a strong breeze from the NE at 15–16 mph.There is a low chance of drizzle in the morning. Temperatures will hold near 7°C, feeling as cold as 2°C. Cloudy, with a strong breeze from the NE at 24–26 km/h.

Night

A strong breeze from the NNE at 13 mph. Temperatures will range from 33°F to 43°F, feeling as cold as 25°F. Mostly clear.A strong breeze from the NNE at 21 km/h. Temperatures will range from 1°C to 6°C, feeling as cold as -4°C. Mostly clear.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
Low chance of drizzleHigh 46°F8°CFeels 41°F5°CLow 39°F4°CFeels 31°F0°CPrecip 0.02 in0.6 mm19%Cloud 82%Wind NE 14 mph22 km/hThere is a low chance of drizzle in the morning. Temperatures will hold near 44°F, feeling as cold as 36°F. Cloudy, with a strong breeze from the NE at 15–16 mph.There is a low chance of drizzle in the morning. Temperatures will hold near 7°C, feeling as cold as 2°C. Cloudy, with a strong breeze from the NE at 24–26 km/h.A strong breeze from the NNE at 13 mph. Temperatures will range from 33°F to 43°F, feeling as cold as 25°F. Mostly clear.A strong breeze from the NNE at 21 km/h. Temperatures will range from 1°C to 6°C, feeling as cold as -4°C. Mostly clear.
Low chance of flurriesHigh 40°F4°CFeels 34°F1°CLow 33°F1°CFeels 25°F-4°CPrecip 0.02 in0.4 mm17%Cloud 45%Wind NNW 10 mph16 km/hThere is a low chance of flurries in the afternoon. Temperatures will range from 34°F to 40°F, feeling as cold as 26°F. Cloudy, with a breeze from the NNW at 10 mph.There is a low chance of flurries in the afternoon. Temperatures will range from 1°C to 4°C, feeling as cold as -3°C. Cloudy, with a breeze from the NNW at 16 km/h.There is a medium chance of drizzle before dawn. Temperatures will hold near 37°F, feeling as cold as 27°F. Partly cloudy, with a breeze from the NW at 10–11 mph.There is a medium chance of drizzle before dawn. Temperatures will hold near 3°C, feeling as cold as -3°C. Partly cloudy, with a breeze from the NW at 16–18 km/h.
Medium chance of drizzleHigh 42°F6°CFeels 35°F2°CLow 35°F2°CFeels 27°F-3°CPrecip 0 in0.1 mm45%Cloud 78%Wind NW 12 mph19 km/hThere is a medium chance of drizzle throughout the day. Temperatures will range from 36°F to 42°F, feeling as cold as 29°F. Mostly cloudy, with a breeze from the NW at 12–13 mph.There is a medium chance of drizzle throughout the day. Temperatures will range from 2°C to 6°C, feeling as cold as -2°C. Mostly cloudy, with a breeze from the NW at 19–21 km/h.There is a low chance of brief drizzle in the evening. Temperatures will hold near 40°F, feeling as cold as 32°F. Mostly cloudy, with a breeze from the NW at 11–12 mph.There is a low chance of brief drizzle in the evening. Temperatures will hold near 4°C, feeling as cold as 0°C. Mostly cloudy, with a breeze from the NW at 18–19 km/h.
BreezeHigh 44°F7°CFeels 38°F3°CLow 39°F4°CFeels 32°F0°CPrecip 0.02 in0.4 mm7%Cloud 82%Wind NW 10 mph17 km/hA breeze from the NW at 11–12 mph. Temperatures will range from 40°F to 44°F, feeling as cold as 33°F. Mostly cloudy.A breeze from the NW at 18–19 km/h. Temperatures will range from 4°C to 7°C, feeling as cold as 1°C. Mostly cloudy.A breeze from the WNW at 9–10 mph. Temperatures will range from 38°F to 43°F, feeling as cold as 32°F. Mostly cloudy.A breeze from the WNW at 14–16 km/h. Temperatures will range from 3°C to 6°C, feeling as cold as 0°C. Mostly cloudy.
BreezeHigh 45°F7°CFeels 40°F5°CLow 38°F3°CFeels 32°F0°CPrecip 0 in0.1 mm1%Cloud 47%Wind W 9 mph14 km/hA breeze from the W at 9 mph. Temperatures will range from 38°F to 45°F, feeling as cold as 32°F. Partly cloudy.A breeze from the W at 14 km/h. Temperatures will range from 3°C to 7°C, feeling as cold as 0°C. Partly cloudy.A breeze from the WSW at 9 mph. Temperatures will range from 36°F to 43°F, feeling as cold as 29°F. Mostly clear.A breeze from the WSW at 14 km/h. Temperatures will range from 2°C to 6°C, feeling as cold as -2°C. Mostly clear.
BreezeHigh 49°F10°CFeels 45°F7°CLow 36°F2°CFeels 29°F-2°CPrecip 0 in0 mm—Cloud 12%Wind WSW 9 mph14 km/hA breeze from the WSW at 9–10 mph. Temperatures will range from 36°F to 49°F, feeling as cold as 30°F. Mostly clear.A breeze from the WSW at 14–16 km/h. Temperatures will range from 2°C to 9°C, feeling as cold as -1°C. Mostly clear.A breeze from the WSW at 8–9 mph. Temperatures will range from 36°F to 47°F, feeling as cold as 30°F. Clear.A breeze from the WSW at 13–14 km/h. Temperatures will range from 2°C to 8°C, feeling as cold as -1°C. Clear.
BreezeHigh 51°F10°CLow 36°F2°CFeels 30°F-1°CPrecip 0 in0 mm—Cloud 22%Wind SW 8 mph13 km/hA breeze from the SW at 8–9 mph. Temperatures will range from 37°F to 51°F, feeling as cold as 31°F. Mostly clear.A breeze from the SW at 13–14 km/h. Temperatures will range from 3°C to 11°C, feeling as cold as -1°C. Mostly clear.A breeze from the S at 9 mph, and there is a marginal chance of drizzle in the morning. Temperatures will range from 40°F to 49°F, feeling as cold as 34°F. Mostly clear.A breeze from the S at 14 km/h, and there is a marginal chance of drizzle in the morning. Temperatures will range from 4°C to 9°C, feeling as cold as 1°C. Mostly clear.

15-Day Forecast

Day High Low Precip Cloud Cover Condition Wind
ThursdayNov 1246°F8°C
Feels 41°F5°C
39°F4°C
Feels 31°F0°C
0.02 in0.6 mm· 19%82%Low chance of drizzleNE 14 mph22 km/h
FridayNov 1340°F4°C
Feels 34°F1°C
33°F1°C
Feels 25°F-4°C
0.02 in0.4 mm· 17%45%Low chance of flurriesNNW 10 mph16 km/h
SaturdayNov 1442°F6°C
Feels 35°F2°C
35°F2°C
Feels 27°F-3°C
0 in0.1 mm· 45%78%Medium chance of drizzleNW 12 mph19 km/h
SundayNov 1544°F7°C
Feels 38°F3°C
39°F4°C
Feels 32°F0°C
0.02 in0.4 mm· 7%82%BreezeNW 10 mph17 km/h
MondayNov 1645°F7°C
Feels 40°F5°C
38°F3°C
Feels 32°F0°C
0 in0.1 mm· 1%47%BreezeW 9 mph14 km/h
TuesdayNov 1749°F10°C
Feels 45°F7°C
36°F2°C
Feels 29°F-2°C
0 in0 mm· —12%BreezeWSW 9 mph14 km/h
WednesdayNov 1851°F10°C36°F2°C
Feels 30°F-1°C
0 in0 mm· —22%BreezeSW 8 mph13 km/h
ThursdayNov 1953°F12°C40°F5°C
Feels 34°F1°C
0.07 in1.8 mm· 29%68%Low chance of light rainSSW 10 mph16 km/h
FridayNov 2052°F11°C47°F8°C
Feels 42°F5°C
0.07 in1.7 mm· 29%71%Low chance of drizzleWSW 10 mph16 km/h
SaturdayNov 2152°F11°C45°F7°C
Feels 40°F4°C
0.1 in2.6 mm· 30%80%Low chance of light rainSSW 11 mph17 km/h
SundayNov 2249°F9°C
Feels 44°F6°C
43°F6°C
Feels 37°F3°C
0.28 in7.1 mm· 45%84%Medium chance of light rainSW 13 mph21 km/h
MondayNov 2343°F6°C
Feels 36°F2°C
38°F3°C
Feels 30°F-1°C
0.13 in3.2 mm· 27%77%Low chance of showersW 12 mph19 km/h
TuesdayNov 2441°F5°C
Feels 34°F1°C
34°F1°C
Feels 26°F-3°C
0.08 in2 mm· 18%68%Low chance of showersWNW 11 mph18 km/h
WednesdayNov 2540°F4°C
Feels 34°F1°C
35°F1°C
Feels 27°F-3°C
0.1 in2.5 mm· 16%70%Low chance of showersW 11 mph17 km/h
ThursdayNov 2640°F5°C
Feels 34°F1°C
35°F1°C
Feels 27°F-3°C
0.07 in1.8 mm· 16%70%Low chance of light rainW 11 mph17 km/h

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Coordinates: 42.7736°N, 81.1804°W·Elevation: 232m·Timezone: America/Toronto·Population: 38,909