Heat Warning

August 11 - September 24

Mon 8/11

91° /65°

Hot with plenty of sun; caution advised if doing strenuous activities outside

alerts

Heat Warning

3:32 PM Sunday - 9:00 AM Wednesday

RealFeel®94°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSSW 7 mph

Tue 8/12

92° /69°

Partly sunny and hot; possible danger of dehydration and heatstroke while doing strenuous activities

alerts

Heat Warning

3:32 PM Sunday - 9:00 AM Wednesday

RealFeel®94°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindSSW 8 mph

Wed 8/13

86° /62°

55%

Humid with clouds and breaks of sun; a thunderstorm around in the afternoon

alerts

Heat Warning

3:32 PM Sunday - 9:00 AM Wednesday

RealFeel®91°

RealFeel Shade™86°

Max UV Index6 (High)

WindSW 8 mph

Thu 8/14

83° /54°

25%

Mostly sunny

RealFeel®86°

RealFeel Shade™80°

Max UV Index7 (High)

WindNNW 6 mph

Fri 8/15

81° /59°

Plenty of sun

RealFeel®86°

RealFeel Shade™78°

Max UV Index7 (High)

WindNW 6 mph

Sat 8/16

87° /66°

Mostly sunny and very warm

RealFeel®89°

RealFeel Shade™83°

Max UV Index7 (High)

WindSW 9 mph

Sun 8/17

86° /64°

69%

Mostly cloudy with a thunderstorm or two in the afternoon

RealFeel®87°

RealFeel Shade™84°

Max UV Index2 (Low)

WindWSW 8 mph

Mon 8/18

80° /55°

Sun through high clouds and less humid

RealFeel®81°

RealFeel Shade™77°

Max UV Index4 (Moderate)

WindNNW 8 mph

Tue 8/19

73° /54°

59%

Occasional rain and a thunderstorm in the morning; otherwise, mostly cloudy and not as warm

RealFeel®73°

RealFeel Shade™70°

Max UV Index2 (Low)

WindNNE 9 mph

Wed 8/20

74° /54°

Sun and clouds

RealFeel®77°

RealFeel Shade™72°

Max UV Index6 (High)

WindNNE 7 mph

Thu 8/21

74° /56°

Clouds and sunshine

RealFeel®78°

RealFeel Shade™71°

Max UV Index6 (High)

WindN 6 mph

Fri 8/22

77° /57°

Cloudy

RealFeel®77°

RealFeel Shade™74°

Max UV Index3 (Moderate)

WindWNW 6 mph

Sat 8/23

79° /58°

Plenty of sunshine

RealFeel®81°

RealFeel Shade™76°

Max UV Index7 (High)

WindSW 7 mph

Sun 8/24

76° /57°

25%

Clouds to start, then sunshine returns

RealFeel®79°

RealFeel Shade™74°

Max UV Index4 (Moderate)

WindSSW 7 mph

Mon 8/25

81° /59°

25%

Cloudy

RealFeel®81°

RealFeel Shade™81°

Max UV Index2 (Low)

WindSW 5 mph

Tue 8/26

81° /58°

25%

Humid with sun followed by increasing clouds

RealFeel®83°

RealFeel Shade™81°

Max UV Index6 (High)

WindS 5 mph

Wed 8/27

79° /59°

65%

Cloudy and humid; a couple of afternoon showers and a thunderstorm

RealFeel®81°

RealFeel Shade™81°

Max UV Index2 (Low)

WindSSW 9 mph

Thu 8/28

80° /57°

20%

Less humid with times of clouds and sun

RealFeel®80°

RealFeel Shade™77°

Max UV Index6 (High)

WindNNW 9 mph

Fri 8/29

73° /54°

Plenty of sunshine

RealFeel®79°

RealFeel Shade™72°

Max UV Index6 (High)

WindN 4 mph

Sat 8/30

76° /55°

20%

Sunshine and a few clouds

RealFeel®80°

RealFeel Shade™74°

Max UV Index6 (High)

WindS 2 mph

Sun 8/31

79° /58°

25%

Cloudy

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindS 6 mph

Mon 9/1

78° /58°

68%

Mostly cloudy and humid; periods of rain in the afternoon

RealFeel®80°

RealFeel Shade™80°

Max UV Index2 (Low)

WindSSE 5 mph

Tue 9/2

79° /56°

20%

Less humid with partial sunshine

RealFeel®78°

RealFeel Shade™75°

Max UV Index4 (Moderate)

WindN 12 mph

Wed 9/3

73° /53°

25%

A blend of sun and clouds

RealFeel®73°

RealFeel Shade™71°

Max UV Index3 (Moderate)

WindE 5 mph

Thu 9/4

75° /58°

65%

Cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®76°

RealFeel Shade™76°

Max UV Index1 (Low)

WindSSW 8 mph

Fri 9/5

77° /58°

40%

Humid; a thundershower in spots in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®81°

RealFeel Shade™81°

Max UV Index1 (Low)

WindSSW 2 mph

Sat 9/6

77° /57°

25%

Rather cloudy

RealFeel®78°

RealFeel Shade™78°

Max UV Index2 (Low)

WindNE 4 mph

Sun 9/7

78° /57°

25%

Turning cloudy

RealFeel®78°

RealFeel Shade™78°

Max UV Index5 (Moderate)

WindENE 5 mph

Mon 9/8

77° /56°

62%

Humid with some sun, then increasing clouds; a couple of showers and a thunderstorm in the afternoon

RealFeel®79°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindNE 2 mph

Tue 9/9

76° /56°

25%

Times of clouds and sun

RealFeel®81°

RealFeel Shade™77°

Max UV Index2 (Low)

WindW 2 mph

Wed 9/10

75° /55°

55%

Partly sunny and humid; an afternoon thundershower

RealFeel®77°

RealFeel Shade™73°

Max UV Index5 (Moderate)

WindSSW 8 mph

Thu 9/11

76° /55°

55%

A passing morning shower; otherwise, clouds and sunshine

RealFeel®75°

RealFeel Shade™72°

Max UV Index3 (Moderate)

WindNNW 9 mph

Fri 9/12

77° /47°

Mostly sunny

RealFeel®78°

RealFeel Shade™75°

Max UV Index5 (Moderate)

WindWSW 6 mph

Sat 9/13

68° /45°

Mostly sunny

RealFeel®68°

RealFeel Shade™65°

Max UV Index5 (Moderate)

WindNNW 8 mph

Sun 9/14

66° /53°

55%

A little morning rain; otherwise, mostly cloudy

RealFeel®68°

RealFeel Shade™63°

Max UV Index3 (Moderate)

WindENE 7 mph

Mon 9/15

69° /42°

67%

Cloudy with showers

RealFeel®65°

RealFeel Shade™65°

Max UV Index1 (Low)

WindWSW 18 mph

Tue 9/16

61° /47°

61%

A couple of showers in the morning; otherwise, intervals of clouds and sunshine

RealFeel®60°

RealFeel Shade™59°

Max UV Index2 (Low)

WindWNW 9 mph

Wed 9/17

63° /44°

16%

Times of clouds and sun

RealFeel®63°

RealFeel Shade™61°

Max UV Index4 (Moderate)

WindSW 10 mph

Thu 9/18

64° /42°

12%

Mostly cloudy

RealFeel®63°

RealFeel Shade™63°

Max UV Index2 (Low)

WindSW 8 mph

Fri 9/19

73° /45°

Mostly sunny

RealFeel®71°

RealFeel Shade™69°

Max UV Index5 (Moderate)

WindSSE 12 mph

Sat 9/20

70° /51°

70%

Showers in the morning; otherwise, variable cloudiness

RealFeel®69°

RealFeel Shade™68°

Max UV Index4 (Moderate)

WindWSW 10 mph

Sun 9/21

67° /42°

25%

Clouds and sunshine

RealFeel®68°

RealFeel Shade™64°

Max UV Index4 (Moderate)

WindSW 6 mph

Mon 9/22

75° /41°

Plenty of sunshine

RealFeel®73°

RealFeel Shade™71°

Max UV Index4 (Moderate)

WindSSW 10 mph

Tue 9/23

71° /50°

Partial sunshine

RealFeel®70°

RealFeel Shade™68°

Max UV Index4 (Moderate)

WindN 13 mph

Wed 9/24

63° /48°

Mostly sunny

RealFeel®63°

RealFeel Shade™61°

Max UV Index4 (Moderate)

WindE 9 mph

Addison, Ontario

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