St. Thomas, Ontario, Canada Weather Forecast

Today's Weather

Wed, Jun 10

Very warm and humid with variable cloudiness Hi: 86°

Tonight: Increasing cloudiness with a heavy thunderstorm; warm and humid; storms can bring flooding downpours and localized damaging wind gusts Lo: 68°

Current Weather

12:20 AM

MINUTECAST®

Heavy rain and a thunderstorm for at least 60 min

Now

1:20 AM

Looking Ahead

Thunderstorms, some severe, Thursday evening through Friday afternoon

St. Thomas Weather Radar

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

6/10

86° 68°

Variable clouds; very warm

Night: A heavy thunderstorm

25%

Thu

6/11

88° 68°

Very warm with periods of sun

A dangerous thunderstorm

25%

Fri

6/12

82° 59°

Variable clouds, a t-storm

A crystal-clear sky

58%

Sat

6/13

84° 63°

A passing afternoon shower

A thunderstorm in spots

55%

Sun

6/14

69° 51°

A couple of t-storms; cooler

Partly cloudy

88%

Mon

6/15

68° 52°

Turning cloudy

Overcast

Tue

6/16

69° 55°

A couple of morning showers

A few showers late

61%

Wed

6/17

70° 53°

A couple of showers

A little rain late

58%

Thu

6/18

70° 56°

Partly sunny

Mainly clear

55%

Fri

6/19

71° 59°

Increasing cloudiness

Periods of rain

13%

Sun & Moon

15 hrs 16 mins

Rise 5:46 AM

Set 9:02 PM

Waning Crescent

Rise 2:22 AM

Set 3:59 PM

Air Quality

Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.