Heat Warning

June 23 - August 6

Mon 6/23

92° /72°

Hot with plenty of sunshine; possible danger of dehydration and heatstroke while doing strenuous activities

alerts

Heat Warning

5:31 AM Monday - 6:00 AM Wednesday

RealFeel®95°

RealFeel Shade™90°

Max UV Index10 (Very High)

WindWSW 10 mph

Tue 6/24

81° /60°

40%

Partly sunny and not as warm but humid; a thunderstorm in spots in the afternoon; thunderstorms can bring localized damaging wind gusts

alerts

Heat Warning

5:31 AM Monday - 6:00 AM Wednesday

RealFeel®90°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindWNW 7 mph

Wed 6/25

77° /63°

25%

Mostly cloudy

RealFeel®76°

RealFeel Shade™76°

Max UV Index4 (Moderate)

WindNW 4 mph

Thu 6/26

74° /63°

88%

A thick cloud cover with a couple of showers and a thunderstorm

RealFeel®75°

RealFeel Shade™72°

Max UV Index2 (Low)

WindSSE 6 mph

Fri 6/27

77° /62°

83%

Considerable cloudiness and humid with a thunderstorm

RealFeel®79°

RealFeel Shade™76°

Max UV Index3 (Moderate)

WindSSW 9 mph

Sat 6/28

71° /60°

67%

Cloudy with occasional rain and drizzle, mainly early in the day

RealFeel®70°

RealFeel Shade™70°

Max UV Index2 (Low)

WindWNW 7 mph

Sun 6/29

79° /62°

46%

A shower in places in the morning; otherwise, cloudy and warmer

RealFeel®83°

RealFeel Shade™78°

Max UV Index5 (Moderate)

WindW 8 mph

Mon 6/30

76° /61°

70%

Humid with periods of rain and a thunderstorm

RealFeel®78°

RealFeel Shade™75°

Max UV Index3 (Moderate)

WindWSW 8 mph

Tue 7/1

73° /56°

40%

Mostly cloudy with a stray thunderstorm

RealFeel®76°

RealFeel Shade™71°

Max UV Index3 (Moderate)

WindWNW 5 mph

Wed 7/2

74° /54°

55%

A little morning rain; otherwise, mostly cloudy

RealFeel®79°

RealFeel Shade™71°

Max UV Index5 (Moderate)

WindNW 5 mph

Thu 7/3

75° /56°

Partly sunny

RealFeel®83°

RealFeel Shade™73°

Max UV Index10 (Very High)

WindNW 4 mph

Fri 7/4

74° /59°

35%

Mostly cloudy with a couple of showers and thunderstorms possible

RealFeel®80°

RealFeel Shade™72°

Max UV Index6 (High)

WindSSW 5 mph

Sat 7/5

74° /57°

84%

Considerable cloudiness; a thunderstorm in parts of the area in the morning followed by rain and a thunderstorm in the afternoon

RealFeel®81°

RealFeel Shade™72°

Max UV Index8 (Very High)

WindWSW 5 mph

Sun 7/6

75° /62°

Plenty of sun

RealFeel®78°

RealFeel Shade™69°

Max UV Index10 (Very High)

WindNE 6 mph

Mon 7/7

71° /50°

Plenty of sun

RealFeel®78°

RealFeel Shade™69°

Max UV Index10 (Very High)

WindS 2 mph

Tue 7/8

74° /52°

25%

Increasing cloudiness

RealFeel®73°

RealFeel Shade™73°

Max UV Index5 (Moderate)

WindSSW 2 mph

Wed 7/9

78° /55°

20%

Mostly sunny

RealFeel®84°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindSE 1 mph

Thu 7/10

78° /56°

70%

Mostly cloudy and humid; showers and thunderstorms in the afternoon

RealFeel®81°

RealFeel Shade™81°

Max UV Index4 (Moderate)

WindSW 9 mph

Fri 7/11

75° /56°

25%

Clouds and sunshine

RealFeel®78°

RealFeel Shade™75°

Max UV Index3 (Moderate)

WindSSW 5 mph

Sat 7/12

80° /57°

56%

A couple of morning showers; otherwise, mostly cloudy and humid

RealFeel®83°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindSW 9 mph

Sun 7/13

80° /56°

25%

Mostly cloudy

RealFeel®81°

RealFeel Shade™78°

Max UV Index3 (Moderate)

WindNW 7 mph

Mon 7/14

74° /54°

20%

Mostly sunny and less humid

RealFeel®79°

RealFeel Shade™72°

Max UV Index10 (Very High)

WindNE 5 mph

Tue 7/15

73° /53°

76%

Cloudy with a couple of showers followed by a steadier rain

RealFeel®67°

RealFeel Shade™67°

Max UV Index2 (Low)

WindENE 8 mph

Wed 7/16

72° /52°

25%

Clouds giving way to some sun

RealFeel®74°

RealFeel Shade™69°

Max UV Index5 (Moderate)

WindENE 7 mph

Thu 7/17

73° /54°

25%

Sun giving way to increasing clouds

RealFeel®76°

RealFeel Shade™71°

Max UV Index10 (Very High)

WindE 7 mph

Fri 7/18

74° /56°

25%

Mostly cloudy

RealFeel®75°

RealFeel Shade™75°

Max UV Index3 (Moderate)

WindESE 7 mph

Sat 7/19

78° /56°

78%

Cloudy and humid; a morning shower followed by rain in the afternoon

RealFeel®78°

RealFeel Shade™78°

Max UV Index2 (Low)

WindS 7 mph

Sun 7/20

77° /57°

25%

Mostly cloudy and humid

RealFeel®83°

RealFeel Shade™82°

Max UV Index2 (Low)

WindWSW 5 mph

Mon 7/21

80° /57°

61%

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

RealFeel®84°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindSW 5 mph

Tue 7/22

79° /56°

58%

A bit of morning rain; otherwise, cloudy and humid

RealFeel®81°

RealFeel Shade™79°

Max UV Index2 (Low)

WindW 9 mph

Wed 7/23

76° /56°

Less humid with abundant sunshine

RealFeel®81°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindNW 6 mph

Thu 7/24

75° /55°

65%

Rather cloudy with a couple of thunderstorms in the afternoon

RealFeel®77°

RealFeel Shade™75°

Max UV Index4 (Moderate)

WindW 4 mph

Fri 7/25

73° /56°

57%

A bit of morning rain; otherwise, considerable cloudiness

RealFeel®72°

RealFeel Shade™70°

Max UV Index3 (Moderate)

WindN 8 mph

Sat 7/26

73° /53°

20%

Partial sunshine

RealFeel®76°

RealFeel Shade™71°

Max UV Index6 (High)

WindNNE 6 mph

Sun 7/27

74° /53°

10%

Mostly sunny

RealFeel®80°

RealFeel Shade™73°

Max UV Index9 (Very High)

WindSSE 4 mph

Mon 7/28

75° /54°

25%

Increasing cloudiness

RealFeel®75°

RealFeel Shade™75°

Max UV Index6 (High)

WindS 2 mph

Tue 7/29

77° /56°

39%

Partly sunny with a thunderstorm in spots in the afternoon

RealFeel®80°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindW 8 mph

Wed 7/30

76° /52°

25%

Mostly cloudy and less humid

RealFeel®78°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindN 6 mph

Thu 7/31

71° /52°

80%

Cloudy with rain in the afternoon

RealFeel®68°

RealFeel Shade™65°

Max UV Index4 (Moderate)

WindS 8 mph

Fri 8/1

74° /52°

55%

Mostly cloudy with a couple of showers

RealFeel®71°

RealFeel Shade™71°

Max UV Index4 (Moderate)

WindWNW 13 mph

Sat 8/2

73° /50°

25%

Mostly sunny and less humid

RealFeel®76°

RealFeel Shade™70°

Max UV Index9 (Very High)

WindNNW 7 mph

Sun 8/3

71° /50°

20%

Sunshine and a few clouds

RealFeel®75°

RealFeel Shade™68°

Max UV Index9 (Very High)

WindNNW 6 mph

Mon 8/4

78° /51°

Mostly sunny

RealFeel®83°

RealFeel Shade™79°

Max UV Index8 (Very High)

WindWNW 2 mph

Tue 8/5

80° /55°

Plenty of sun

RealFeel®85°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindSSW 2 mph

Wed 8/6

79° /49°

Sunshine and a few clouds

RealFeel®78°

RealFeel Shade™75°

Max UV Index8 (Very High)

WindSSW 13 mph

Harriston, Ontario

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