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Cornwall, Ontario

69°F
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Cornwall, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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June 30 - July 14

Tue 6/30

82° /72°
55%
Sun and clouds with a heavy thunderstorm; humid; storms can bring flash flooding and damaging winds

RealFeel®87°

RealFeel Shade™81°

Max UV Index7.0 (High)

WindSSW 7 mph

Hours of Precipitation2.5

Hours of Rain2.5

Wed 7/1

92° /72°
65%
Partly sunny, hot and humid with a couple of showers and a thunderstorm in the afternoon; storms can bring flooding downpours and localized damaging wind gusts

RealFeel®101°

RealFeel Shade™97°

Max UV Index5.0 (Moderate)

WindSW 12 mph

Hours of Precipitation1

Hours of Rain1

Thu 7/2

94° /73°
55%
Partly sunny, breezy and hot; watch for a strong afternoon thunderstorm; storms can bring flooding downpours and localized damaging wind gusts

RealFeel®101°

RealFeel Shade™96°

Max UV Index10.0 (Very High)

WindSW 15 mph

Hours of Precipitation1

Hours of Rain1

Fri 7/3

91° /65°
55%
Partly sunny and hot with a thunderstorm; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®98°

RealFeel Shade™92°

Max UV Index10.0 (Very High)

WindW 12 mph

Hours of Precipitation1

Hours of Rain1

Sat 7/4

82° /61°
55%
Some sun with a thunderstorm, not as warm; breezy in the morning

RealFeel®86°

RealFeel Shade™79°

Max UV Index9.0 (Very High)

WindWNW 12 mph

Hours of Precipitation1

Hours of Rain1

Sun 7/5

84° /62°
1%
Less humid with a sun-and-cloud mix

RealFeel®84°

RealFeel Shade™81°

Max UV Index8.0 (Very High)

WindNNW 7 mph

Mon 7/6

85° /61°
77%
Rain and a thunderstorm, mainly later with a thick cloud cover

RealFeel®85°

RealFeel Shade™82°

Max UV Index5.0 (Moderate)

WindNW 8 mph

Hours of Precipitation4

Hours of Rain4

Tue 7/7

84° /59°
0%
Sunny

RealFeel®90°

RealFeel Shade™83°

Max UV Index9.0 (Very High)

WindENE 5 mph

Wed 7/8

87° /61°
56%
Partly sunny and very warm; a couple of showers in the afternoon

RealFeel®92°

RealFeel Shade™88°

Max UV Index9.0 (Very High)

WindSW 6 mph

Hours of Precipitation1

Hours of Rain1

Thu 7/9

83° /62°
49%
A morning shower in places; otherwise, partly sunny

RealFeel®84°

RealFeel Shade™81°

Max UV Index9.0 (Very High)

WindSW 9 mph

Hours of Precipitation1

Hours of Rain1

Fri 7/10

82° /63°
57%
Mostly cloudy with a bit of rain

RealFeel®84°

RealFeel Shade™80°

Max UV Index9.0 (Very High)

WindSW 10 mph

Hours of Precipitation2

Hours of Rain2

Sat 7/11

82° /63°
58%
Mostly cloudy with a bit of rain in the afternoon

RealFeel®87°

RealFeel Shade™84°

Max UV Index9.0 (Very High)

WindSW 9 mph

Hours of Precipitation1

Hours of Rain1

Sun 7/12

81° /61°
1%
Sun through high clouds and humid

RealFeel®85°

RealFeel Shade™84°

Max UV Index5.0 (Moderate)

WindSW 8 mph

Mon 7/13

82° /58°
25%
Humid with intervals of clouds and sunshine

RealFeel®85°

RealFeel Shade™85°

Max UV Index4.0 (Moderate)

WindWNW 9 mph

Tue 7/14

74° /54°
20%
Mostly sunny

RealFeel®77°

RealFeel Shade™71°

Max UV Index9.0 (Very High)

WindW 8 mph

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World North America Canada Ontario Cornwall

Weather Near Cornwall:

  • Laval, Quebec
  • Montreal, Quebec
  • Ottawa, Ontario
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