St. Thomas, Ontario, Canada Weather Forecast

Orange Warning - Heat

Today's Weather

Thu, Jul 2

Mostly sunny, hot and humid; the heat will be dangerous, especially for those without air conditioning Hi: 92°

Tonight: Mainly clear, warm and humid Lo: 72°

Current Weather

12:37 AM

Looking Ahead

Thunderstorms in the area tomorrow morning through late Saturday night

St. Thomas Weather Radar

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

7/2

92° 72°

Mostly sunny, hot and humid

Night: Mainly clear, warm and humid

25%

Fri

7/3

89° 70°

Very warm with a thunderstorm

A thunderstorm in spots

55%

Sat

7/4

83° 67°

A gusty thunderstorm

Humid with a t-storm in spots

55%

Sun

7/5

80° 64°

Some sun, then clouds; humid

A couple of t-storms; humid

25%

Mon

7/6

80° 63°

Some sun with a stray t-storm

Clear

55%

Tue

7/7

80° 66°

A couple of afternoon showers

Clear to partly cloudy

55%

Wed

7/8

84° 65°

Mostly cloudy, warm and humid

Humid with rain and a t-storm

25%

Thu

7/9

82° 64°

Partly sunny, warm and humid

Mainly clear and humid

12%

Fri

7/10

82° 65°

A stray morning shower

Partly cloudy and humid

49%

Sat

7/11

82° 65°

Warm with clouds and sun

Partly cloudy

Sun & Moon

15 hrs 16 mins

Rise 5:51 AM

Set 9:07 PM

Waning Gibbous

Rise 11:03 PM

Set 9:14 AM

Air Quality

Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All

Dust & Dander Extreme Data is not supported in this location

St. Thomas, Ontario

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