Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Winchester, Ontario

85°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Winchester

Ontario

85°
No results found.
Try searching for a city, zip code or point of interest.
settings
Winchester, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast® Monthly Air Quality Health & Activities

August 7 - September 20

Thu 8/7

86° /61°
25%
Sun giving way to increasing clouds; smoke from wildfires can create reduced air quality

RealFeel®94°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindSSE 5 mph

Fri 8/8

88° /63°
9%
Mostly sunny; smoke from wildfires in Canada can create reduced air quality

RealFeel®90°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindSSW 9 mph

Sat 8/9

90° /67°
5%
Mostly sunny

RealFeel®92°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindSSW 10 mph

Sun 8/10

92° /66°
5%
Hot with intervals of clouds and sunshine; caution advised if doing strenuous activities outside

RealFeel®98°

RealFeel Shade™91°

Max UV Index7 (High)

WindSSW 7 mph

Mon 8/11

95° /69°
1%
Scorching sunshine and hot; caution advised if doing strenuous activities outside

RealFeel®100°

RealFeel Shade™94°

Max UV Index8 (Very High)

WindSSW 8 mph

Tue 8/12

91° /68°
55%
Mostly cloudy and hot; a thunderstorm around in the afternoon

RealFeel®97°

RealFeel Shade™92°

Max UV Index4 (Moderate)

WindWSW 7 mph

Wed 8/13

86° /62°
57%
Cloudy and humid with a couple of thunderstorms

RealFeel®88°

RealFeel Shade™85°

Max UV Index4 (Moderate)

WindWSW 7 mph

Thu 8/14

82° /59°
2%
After a cloudy start, sunshine returns

RealFeel®92°

RealFeel Shade™81°

Max UV Index7 (High)

WindSW 4 mph

Fri 8/15

81° /58°
40%
Humid with intervals of clouds and sunshine; a thunderstorm in spots in the afternoon

RealFeel®88°

RealFeel Shade™85°

Max UV Index4 (Moderate)

WindSW 6 mph

Sat 8/16

83° /65°
0%
Plenty of sun

RealFeel®89°

RealFeel Shade™81°

Max UV Index7 (High)

WindW 4 mph

Sun 8/17

84° /63°
1%
Humid with plenty of sun

RealFeel®94°

RealFeel Shade™86°

Max UV Index7 (High)

WindSSW 4 mph

Mon 8/18

82° /63°
11%
Cloudy and less humid

RealFeel®85°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindSE 2 mph

Tue 8/19

79° /59°
60%
Humid with periods of rain

RealFeel®91°

RealFeel Shade™88°

Max UV Index2 (Low)

WindSSW 7 mph

Wed 8/20

78° /56°
25%
Humid with times of clouds and sun

RealFeel®88°

RealFeel Shade™84°

Max UV Index7 (High)

WindENE 4 mph

Thu 8/21

81° /60°
25%
Mostly cloudy and humid

RealFeel®81°

RealFeel Shade™79°

Max UV Index2 (Low)

WindN 7 mph

Fri 8/22

78° /57°
20%
Less humid with abundant sunshine

RealFeel®81°

RealFeel Shade™76°

Max UV Index7 (High)

WindNNE 7 mph

Sat 8/23

76° /57°
20%
More sun than clouds

RealFeel®81°

RealFeel Shade™74°

Max UV Index7 (High)

WindWNW 2 mph

Sun 8/24

80° /60°
25%
Clouds to start, then sunshine returns

RealFeel®80°

RealFeel Shade™77°

Max UV Index3 (Moderate)

WindSSW 7 mph

Mon 8/25

81° /60°
25%
Mostly cloudy

RealFeel®80°

RealFeel Shade™80°

Max UV Index2 (Low)

WindSW 6 mph

Tue 8/26

81° /59°
20%
Turning cloudy and humid

RealFeel®86°

RealFeel Shade™80°

Max UV Index6 (High)

WindS 5 mph

Wed 8/27

80° /60°
65%
Humid with considerable cloudiness; a couple of afternoon showers and a thunderstorm

RealFeel®81°

RealFeel Shade™81°

Max UV Index2 (Low)

WindSSW 8 mph

Thu 8/28

79° /58°
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°
5%
Plenty of sunshine

RealFeel®78°

RealFeel Shade™71°

Max UV Index6 (High)

WindN 4 mph

Sat 8/30

75° /56°
10%
Mostly sunny

RealFeel®79°

RealFeel Shade™73°

Max UV Index6 (High)

WindS 4 mph

Sun 8/31

78° /59°
25%
Cloudy

RealFeel®78°

RealFeel Shade™78°

Max UV Index2 (Low)

WindS 5 mph

Mon 9/1

78° /59°
60%
Humid with clouds and sunshine; a shower in the afternoon

RealFeel®85°

RealFeel Shade™79°

Max UV Index6 (High)

WindSSE 5 mph

Tue 9/2

77° /56°
10%
Mostly sunny and less humid

RealFeel®77°

RealFeel Shade™74°

Max UV Index6 (High)

WindN 10 mph

Wed 9/3

72° /54°
20%
Partly sunny

RealFeel®74°

RealFeel Shade™70°

Max UV Index4 (Moderate)

WindENE 6 mph

Thu 9/4

76° /58°
59%
Cloudy; a little morning rain followed by a thundershower in the afternoon

RealFeel®77°

RealFeel Shade™77°

Max UV Index1 (Low)

WindSSW 6 mph

Fri 9/5

76° /58°
59%
A couple of morning showers; otherwise, cloudy and humid

RealFeel®80°

RealFeel Shade™80°

Max UV Index1 (Low)

WindESE 1 mph

Sat 9/6

77° /57°
25%
Mainly cloudy

RealFeel®78°

RealFeel Shade™76°

Max UV Index2 (Low)

WindNNE 2 mph

Sun 9/7

77° /57°
25%
Partly sunny

RealFeel®80°

RealFeel Shade™76°

Max UV Index5 (Moderate)

WindNE 5 mph

Mon 9/8

76° /56°
25%
Mostly cloudy

RealFeel®77°

RealFeel Shade™77°

Max UV Index3 (Moderate)

WindNE 2 mph

Tue 9/9

76° /57°
25%
Clouds yielding to sun

RealFeel®80°

RealFeel Shade™75°

Max UV Index5 (Moderate)

WindWNW 4 mph

Wed 9/10

75° /57°
65%
Mostly cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®76°

RealFeel Shade™74°

Max UV Index2 (Low)

WindSSW 7 mph

Thu 9/11

76° /56°
10%
Less humid with sunshine and a few clouds

RealFeel®75°

RealFeel Shade™72°

Max UV Index5 (Moderate)

WindNW 9 mph

Fri 9/12

76° /48°
3%
Mostly sunny

RealFeel®77°

RealFeel Shade™74°

Max UV Index5 (Moderate)

WindWSW 6 mph

Sat 9/13

67° /45°
1%
Mostly sunny

RealFeel®68°

RealFeel Shade™65°

Max UV Index5 (Moderate)

WindN 8 mph

Sun 9/14

65° /54°
25%
Clouds to start, then sunshine returns

RealFeel®68°

RealFeel Shade™64°

Max UV Index3 (Moderate)

WindENE 6 mph

Mon 9/15

68° /43°
70%
Cloudy; morning showers followed by a shower in spots in the afternoon

RealFeel®64°

RealFeel Shade™64°

Max UV Index1 (Low)

WindWSW 16 mph

Tue 9/16

61° /47°
57%
A little morning rain; otherwise, mainly cloudy

RealFeel®60°

RealFeel Shade™59°

Max UV Index2 (Low)

WindWNW 8 mph

Wed 9/17

64° /44°
24%
Intervals of clouds and sunshine

RealFeel®62°

RealFeel Shade™62°

Max UV Index2 (Low)

WindSW 10 mph

Thu 9/18

63° /42°
14%
Mostly cloudy

RealFeel®62°

RealFeel Shade™62°

Max UV Index2 (Low)

WindSW 8 mph

Fri 9/19

72° /46°
1%
Mostly sunny

RealFeel®71°

RealFeel Shade™69°

Max UV Index4 (Moderate)

WindSSE 10 mph

Sat 9/20

69° /52°
64%
Morning showers; otherwise, variable cloudiness

RealFeel®69°

RealFeel Shade™67°

Max UV Index4 (Moderate)

WindSW 9 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fall forecast 2025: Warmth to fuel fires, storms before chill hits US

1 day ago

Hurricane

Atlantic to teem with tropical activity, concerns for Caribbean, US

3 hours ago

Weather News

Los Angeles wildfires may be linked to 440 deaths, research estimates

8 hours ago

Astronomy

Days are getting shorter: How much daylight disappears in August

3 hours ago

Weather News

Rare winter rescue from brutal Antarctica conditions tests flight crew

3 hours ago

More Stories

Featured Stories

Weather News

Read the Coast Guard report on the implosion of the Titan submersible

1 day ago

Travel

The next leg of the fastest transatlantic ocean liner’s journey

8 hours ago

Astronomy

NASA astronaut shares surreal photo of Earth, 3 galaxies

3 days ago

Weather News

French firefighters battle blaze that scorched area bigger than Paris

1 hour ago

Weather News

Florida firefighters rescue kitten stuck in engine compartment

21 hours ago

World North America Canada Ontario Winchester

Weather Near Winchester:

  • Laval, Quebec
  • Montreal, Quebec
  • Ottawa, Ontario
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...