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

Casselman, Ontario

84°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Casselman

Ontario

84°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Casselman, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 PM

86°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday

RealFeel Shade™91°

Heat Index94°

WindWSW 12 mph

Air QualityFair

Max UV Index8.7 (Very High)

Wind Gusts18 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover48%

Visibility10 mi

Cloud Ceiling33000 ft

1 PM

88°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 18%
Chevron down
Intermittent clouds
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday

RealFeel Shade™93°

Heat Index98°

WindWSW 12 mph

Air QualityFair

Max UV Index9.5 (Very High)

Wind Gusts20 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover58%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

90°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 15%
Chevron down
Intermittent clouds
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

RealFeel Shade™95°

Heat Index100°

WindWSW 13 mph

Air QualityFair

Max UV Index8.0 (Very High)

Wind Gusts23 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

89°
RealFeel® 99°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 15%
Chevron down
Mostly cloudy
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

RealFeel Shade™94°

Heat Index99°

WindSW 14 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts23 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling24900 ft

4 PM

87°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
Chevron down
Mostly cloudy
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

RealFeel Shade™93°

Heat Index98°

WindSW 15 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts24 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling19800 ft

5 PM

85°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

RealFeel Shade™91°

Heat Index98°

WindSSW 15 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts24 mph

Humidity79%

Indoor Humidity79% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

6 PM

83°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Mostly cloudy
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

RealFeel Shade™89°

Heat Index92°

WindSW 14 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts22 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling19800 ft

7 PM

82°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 40%
Chevron down
Mostly cloudy
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

RealFeel Shade™90°

Heat Index88°

WindSW 12 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts18 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling24900 ft

8 PM

79°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

RealFeel Shade™86°

Heat Index81°

WindSW 8 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts15 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

76°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

WindSW 8 mph

Air QualityFair

Wind Gusts16 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

74°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Partly cloudy
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

WindWSW 8 mph

Air QualityFair

Wind Gusts14 mph

Humidity94%

Indoor Humidity94% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Partly cloudy w/ t-storms
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

12:00 PM Wednesday - 4:00 AM Monday
alerts

Orange Warning - Heat

5:11 AM Thursday - 4:00 AM Monday
alerts

Yellow Watch - Severe Thunderstorm

2:00 PM Thursday - 12:00 AM Friday

WindWSW 8 mph

Air QualityFair

Wind Gusts12 mph

Humidity98%

Indoor Humidity95% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Casselman

AccuWeather's hourly forecast for Casselman provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 86° with a RealFeel® of 98°, partly sunny with a 20% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fourth of July week furnace: Dangerous heat dome for 250 million

5 hours ago

Severe Weather

Thunderstorms to circle massive heat furnace into Fourth of July

5 hours ago

Weather News

America 250 events are being canceled, reshaped as heat dome grips US

3 hours ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

USA wins first World Cup knockout match in decades, advances to Round of 16

1 hour ago

Weather Forecasts

Extreme heat, storms and wildfires highlight July 4 weather hazards

5 hours ago

 More Stories

Featured Stories

Weather News

2 climbers scale Empire State Building during dangerous heat wave

20 hours ago

Astronomy

Asteroid Day marks 1908 impact as scientists ready for new discoveries

2 days ago

Weather News

Chicks fly from nest of famous California eagles Jackie and Shadow

2 days ago

Astronomy

A viral sunset and dueling meteor showers are coming in July

1 day ago

Recreation

12-year-old injured by bison in Yellowstone National Park

3 days ago
World North America Canada Ontario Casselman

Weather Near Casselman:

  • 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 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 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
© 2026 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 | Data Sources

...

...

...