Hourly Weather Forecast - Markham, Ontario, CA

Hourly forecast for Today, Wed, May 20

Time
6 PM
Weather Condition:
Temperature
62°
Chance of precipitation
0%
Wind
12mph
Weather Condition:Partly Cloudy
Humidity
45%
Feels like
62°
Dew Point
40°
Time
7 PM
Weather Condition:
Temperature
60°
Chance of precipitation
0%
Wind
11mph
Weather Condition:Mostly Cloudy
Humidity
45%
Feels like
60°
Dew Point
38°
Time
8 PM
Weather Condition:
Temperature
57°
Chance of precipitation
0%
Wind
11mph
Weather Condition:Mostly Cloudy
Humidity
49%
Feels like
57°
Dew Point
38°
Sunset at 8:41 PM
Time
9 PM
Weather Condition:
Temperature
55°
Chance of precipitation
0%
Wind
10mph
Weather Condition:Mostly Cloudy
Humidity
52%
Feels like
55°
Dew Point
37°
Time
10 PM
Weather Condition:
Temperature
52°
Chance of precipitation
0%
Wind
10mph
Weather Condition:Partly Cloudy
Humidity
57%
Feels like
52°
Dew Point
38°
Time
11 PM
Weather Condition:
Temperature
51°
Chance of precipitation
0%
Wind
10mph
Weather Condition:Partly Cloudy
Humidity
60%
Feels like
51°
Dew Point
37°

Today's Severe Weather Outlook

Dangerous Storms Target Mid-Atlantic, S. Plains

After several days of severe weather, a menacing cold front continues to trigger dangerous thunderstorms today.

Thursday's Weather Outlook

Thursday's Weather Outlook

2026 AEM Atlantic Tropical Forecast

Below-Normal 2026 Atlantic Hurricane Season Predicted

View of Earth taken during ISS Expedition 54. (Earth Science and Remote Sensing Unit, NASA Johnson Space Center, JSC Gateway to Astronaut Photography of Earth)

Atlantic and Eastern Pacific Hurricane Climatology

Heavy rain produces flooding on Sunset Boulevard in Fort Walton Beach, Fla., in early February 2016.

What Is A Flash Flood Watch and Warning?

Easy Ways to Conserve Water

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Cold & Flu

Fire Updates

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide