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St. Thomas, Ontario

67°F
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St. Thomas

Ontario

67°
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St. Thomas, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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August 11 - August 25

Tue 8/11

81° /60°
55%
Mostly cloudy, warm and humid with a thunderstorm in a couple of spots

RealFeel®88°

RealFeel Shade™82°

Max UV Index4.0 (Moderate)

WindS 5 mph

Total Hours of Precipitation1.5

Total Hours of Rain1.5

Wed 8/12

81° /61°
55%
Partly sunny and humid; a thunderstorm in a couple of spots in the afternoon

RealFeel®87°

RealFeel Shade™80°

Max UV Index8.0 (Very High)

WindSW 7 mph

Total Hours of Precipitation1

Total Hours of Rain1

Thu 8/13

81° /57°
6%
Humid with intervals of clouds and sun

RealFeel®86°

RealFeel Shade™79°

Max UV Index6.0 (High)

WindNNW 8 mph

Fri 8/14

80° /52°
25%
Partly sunny

RealFeel®81°

RealFeel Shade™76°

Max UV Index8.0 (Very High)

WindNNW 9 mph

Sat 8/15

75° /60°
49%
Turning out cloudy with a shower in spots in the afternoon

RealFeel®81°

RealFeel Shade™72°

Max UV Index8.0 (Very High)

WindSSE 7 mph

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Sun 8/16

76° /63°
87%
Breezy and humid with peeks of sunshine; a couple of morning thunderstorms followed by a couple of showers in the afternoon

RealFeel®78°

RealFeel Shade™76°

Max UV Index3.0 (Moderate)

WindSW 15 mph

Total Hours of Precipitation3

Total Hours of Rain3

Mon 8/17

74° /59°
2%
Sunshine and a few clouds

RealFeel®81°

RealFeel Shade™73°

Max UV Index8.0 (Very High)

WindN 6 mph

Tue 8/18

75° /61°
1%
Mostly sunny

RealFeel®77°

RealFeel Shade™75°

Max UV Index8.0 (Very High)

WindNW 7 mph

Wed 8/19

76° /62°
75%
Humid; sun and areas of high clouds in the morning, then mostly cloudy in the afternoon with a couple of showers

RealFeel®79°

RealFeel Shade™79°

Max UV Index5.0 (Moderate)

WindWSW 7 mph

Total Hours of Precipitation2

Total Hours of Rain2

Thu 8/20

77° /62°
55%
Mostly cloudy with a little rain

RealFeel®79°

RealFeel Shade™73°

Max UV Index7.0 (High)

WindW 12 mph

Total Hours of Precipitation2

Total Hours of Rain2

Fri 8/21

73° /64°
1%
Turning cloudy and less humid

RealFeel®75°

RealFeel Shade™73°

Max UV Index6.0 (High)

WindNE 6 mph

Sat 8/22

72° /61°
55%
A little morning rain; otherwise, mostly cloudy

RealFeel®73°

RealFeel Shade™72°

Max UV Index4.0 (Moderate)

WindESE 6 mph

Total Hours of Precipitation1

Total Hours of Rain1

Sun 8/23

74° /61°
6%
Clouds followed by a brightening sky

RealFeel®77°

RealFeel Shade™74°

Max UV Index4.0 (Moderate)

WindSSE 4 mph

Mon 8/24

75° /60°
25%
Cloudy

RealFeel®76°

RealFeel Shade™76°

Max UV Index2.0 (Low)

WindNNW 2 mph

Tue 8/25

73° /64°
20%
Mostly sunny

RealFeel®79°

RealFeel Shade™72°

Max UV Index7.0 (High)

WindSW 6 mph

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World North America Canada Ontario St. Thomas

Weather Near St. Thomas:

  • Cleveland, OH
  • Hamilton, Ontario
  • London, Ontario
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