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

Lac-Castor, Quebec

65°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lac-Castor

Quebec

65°
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
Lac-Castor, Quebec 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

6 PM

63°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Yellow Advisory - Frost

4:00 PM Thursday - 10:00 AM Friday

RealFeel Shade™64°

WindNW 5 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts9 mph

Humidity48%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

60°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Yellow Advisory - Frost

4:00 PM Thursday - 10:00 AM Friday

WindNNW 5 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity54%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

55°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Yellow Advisory - Frost

4:00 PM Thursday - 10:00 AM Friday

WindNNW 5 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity65%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

50°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Yellow Advisory - Frost

4:00 PM Thursday - 10:00 AM Friday

WindNNW 4 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity78%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

46°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Yellow Advisory - Frost

4:00 PM Thursday - 10:00 AM Friday

WindN 4 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity87%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

43°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Yellow Advisory - Frost

4:00 PM Thursday - 10:00 AM Friday

WindNNE 4 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity99%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Lac-Castor

AccuWeather's hourly forecast for Lac-Castor provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 63° with a RealFeel® of 64°, sunny with a 0% 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

Nor’easter to bring major coastal flooding; high winds in New England

1 hour ago

Hurricane

Tropical Storm Nolo to become hurricane, slam Hawaii with multi-day de...

2 hours ago

Weather News

Coastal flooding, powerful surf spread as nor’easter brews

6 hours ago

Hurricane

Hurricane Polo to send tropical downpours into New Mexico, Texas

4 hours ago

Weather Forecasts

Crisp autumn weekend coming to eastern US away from nor’easter

1 hour ago

 More Stories

Featured Stories

Climate

Water Demand: The double-edged sword of data centers

1 day ago

Hurricane

Category 5 Hurricane Polo strengthens to 2nd strongest on record

1 day ago

Astronomy

Harvest Moon 2026: When to see September’s full moon

3 days ago

Recreation

Hiker dies in fall on Washington trail a day after hiker found dead

3 hours ago

Weather News

Lake Tahoe’s poisoned-pine mystery: $147,000 reward offered

3 days ago
World North America Canada Quebec Lac-Castor

Weather Near Lac-Castor:

  • 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

...

...

...