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

Blenheim, Ontario

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Blenheim

Ontario

75°
No results found.
Try searching for a city, zip code or point of interest.
settings
Blenheim, 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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities
Heat Warning

June 24 - August 7

Tue 6/24

94° /66°
42%
Very hot and humid with sun followed by clouds; an afternoon thunderstorm in a couple of spots; thunderstorms can bring localized damaging wind gusts
alerts

Heat Warning

4:48 PM Monday - 6:00 AM Wednesday

RealFeel®103°

RealFeel Shade™98°

Max UV Index10 (Very High)

WindWSW 9 mph

Wed 6/25

81° /64°
40%
Clouds and breaks of sun; cooler but humid with a thunderstorm in one or two spots; storms can bring flooding downpours and localized damaging wind gusts

RealFeel®87°

RealFeel Shade™81°

Max UV Index9 (Very High)

WindENE 6 mph

Thu 6/26

83° /68°
80%
Humid with a thunderstorm; cloudy in the morning, then times of clouds and sun in the afternoon

RealFeel®93°

RealFeel Shade™86°

Max UV Index8 (Very High)

WindWSW 5 mph

Fri 6/27

88° /67°
80%
More clouds than sun; very warm and humid with a thunderstorm in the area

RealFeel®97°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindS 13 mph

Sat 6/28

85° /66°
40%
More clouds than sun; warm and humid with a thunderstorm in a couple of spots

RealFeel®95°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindNNW 8 mph

Sun 6/29

84° /68°
25%
Sunny to partly cloudy and humid

RealFeel®94°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindE 6 mph

Mon 6/30

82° /63°
66%
Mostly cloudy and very humid; a shower in spots in the morning followed by a couple of thunderstorms in the afternoon

RealFeel®92°

RealFeel Shade™88°

Max UV Index7 (High)

WindS 8 mph

Tue 7/1

79° /61°
2%
Partly sunny and less humid

RealFeel®82°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindNNW 10 mph

Wed 7/2

80° /59°
1%
Partly sunny

RealFeel®85°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindNNW 6 mph

Thu 7/3

81° /63°
0%
Plenty of sunshine

RealFeel®88°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindWNW 2 mph

Fri 7/4

78° /64°
30%
Some sun with a thunderstorm possible

RealFeel®78°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindSW 15 mph

Sat 7/5

79° /61°
2%
Humid with periods of clouds and sunshine

RealFeel®84°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindSW 12 mph

Sun 7/6

80° /64°
10%
Mostly sunny and humid

RealFeel®85°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindNNE 12 mph

Mon 7/7

75° /61°
10%
Sunshine

RealFeel®82°

RealFeel Shade™73°

Max UV Index10 (Very High)

WindNE 5 mph

Tue 7/8

76° /65°
25%
Sun giving way to increasing clouds

RealFeel®78°

RealFeel Shade™77°

Max UV Index5 (Moderate)

WindESE 2 mph

Wed 7/9

81° /68°
20%
Sunny to partly cloudy and humid

RealFeel®89°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindS 2 mph

Thu 7/10

82° /69°
65%
Mostly cloudy and humid; a couple of afternoon showers and a thunderstorm

RealFeel®88°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSW 12 mph

Fri 7/11

82° /68°
25%
Mostly cloudy and humid

RealFeel®91°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindS 7 mph

Sat 7/12

84° /69°
25%
Very humid with clouds and sunshine

RealFeel®93°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindSW 10 mph

Sun 7/13

84° /68°
10%
Mostly sunny and humid

RealFeel®91°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindNNW 8 mph

Mon 7/14

78° /68°
55%
Times of sun and clouds with a thundershower in the afternoon

RealFeel®81°

RealFeel Shade™78°

Max UV Index5 (Moderate)

WindENE 8 mph

Tue 7/15

78° /67°
65%
Mostly cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®83°

RealFeel Shade™81°

Max UV Index4 (Moderate)

WindS 10 mph

Wed 7/16

79° /68°
25%
Less humid with considerable cloudiness

RealFeel®77°

RealFeel Shade™77°

Max UV Index3 (Moderate)

WindENE 15 mph

Thu 7/17

77° /68°
25%
Intervals of clouds and sunshine

RealFeel®80°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindENE 12 mph

Fri 7/18

79° /69°
64%
Humid with considerable cloudiness; a little rain in the morning followed by a couple of showers and a thunderstorm in the afternoon

RealFeel®85°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSE 7 mph

Sat 7/19

80° /69°
58%
Cloudy and humid with a couple of showers and a thunderstorm

RealFeel®85°

RealFeel Shade™85°

Max UV Index2 (Low)

WindSW 13 mph

Sun 7/20

81° /70°
56%
Uncomfortably humid with times of clouds and sun; a couple of showers in the afternoon

RealFeel®87°

RealFeel Shade™86°

Max UV Index6 (High)

WindWSW 10 mph

Mon 7/21

83° /70°
65%
A couple of showers and a thunderstorm in the morning; otherwise, mostly cloudy and humid

RealFeel®90°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindSSW 10 mph

Tue 7/22

82° /69°
64%
A couple of morning showers and a thunderstorm; otherwise, mostly cloudy and humid

RealFeel®88°

RealFeel Shade™86°

Max UV Index3 (Moderate)

WindWSW 12 mph

Wed 7/23

81° /69°
10%
Mostly sunny and humid

RealFeel®88°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindN 7 mph

Thu 7/24

78° /68°
65%
Mostly cloudy and humid; a couple of afternoon showers and a thunderstorm

RealFeel®84°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindWSW 4 mph

Fri 7/25

77° /67°
20%
Partly sunny

RealFeel®80°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindN 13 mph

Sat 7/26

77° /66°
10%
Mostly sunny

RealFeel®80°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindNE 10 mph

Sun 7/27

78° /66°
10%
Mostly sunny

RealFeel®84°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindNE 7 mph

Mon 7/28

78° /67°
10%
Mostly sunny

RealFeel®85°

RealFeel Shade™77°

Max UV Index9 (Very High)

WindNE 5 mph

Tue 7/29

80° /68°
10%
Mostly sunny and humid

RealFeel®86°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindW 6 mph

Wed 7/30

81° /66°
5%
Less humid with sunshine

RealFeel®85°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindNNW 8 mph

Thu 7/31

77° /68°
60%
Mostly cloudy with a couple of showers and a thunderstorm

RealFeel®78°

RealFeel Shade™78°

Max UV Index3 (Moderate)

WindSSE 10 mph

Fri 8/1

83° /66°
25%
Mostly cloudy and warmer

RealFeel®83°

RealFeel Shade™83°

Max UV Index3 (Moderate)

WindWNW 14 mph

Sat 8/2

77° /63°
25%
Partly sunny and less humid

RealFeel®79°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindN 8 mph

Sun 8/3

76° /63°
25%
Increasing cloudiness

RealFeel®75°

RealFeel Shade™75°

Max UV Index4 (Moderate)

WindN 9 mph

Mon 8/4

80° /63°
1%
Sunshine

RealFeel®86°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindNNW 4 mph

Tue 8/5

82° /68°
1%
Plenty of sunshine

RealFeel®88°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindN 4 mph

Wed 8/6

82° /62°
1%
Mostly sunny

RealFeel®83°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindSW 10 mph

Thu 8/7

78° /61°
65%
Intervals of clouds and sunshine with a couple of showers and a thunderstorm, mainly early in the day

RealFeel®79°

RealFeel Shade™75°

Max UV Index7 (High)

WindWNW 10 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Dangerous heat wave to envelop 170 million Americans through late June

1 hour ago

Weather News

Coast Guard ends search after 6 killed in Lake Tahoe boat capsizing

20 hours ago

Severe Weather

'Ring of fire' thunderstorms to ride rim massive heat dome this week

10 hours ago

Weather Forecasts

Will it reach 100 degrees in NYC this week?

12 hours ago

Severe Weather

3 killed as tornado slams North Dakota town

13 hours ago

More Stories

Featured Stories

Weather News

Summer that was hot 'gritty nightmare' inspired Pulitzer-winning novel

12 hours ago

Astronomy

Strange signals from Antarctic ice seem to defy laws of physics

14 hours ago

Climate

Your AI prompts could have a hidden environmental cost

13 hours ago

Weather News

The greatest hot-weather drink you’ve probably never heard of

13 hours ago

Weather News

‘Dragon Man’ DNA revelation puts a face to group of ancient humans

3 days ago

World North America Canada Ontario Blenheim

Weather Near Blenheim:

  • Cleveland, OH
  • Detroit, MI
  • London, 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

...

...

...