0

Hourly Weather Forecast - St Marys, Ontario, CA

  • Temperature
    42°F
    Precipitation
    20%
    Wind
    3mph
    WNW
    Arrow up

    Mostly Cloudy

    Humidity
    88%
    Feels like
    41°F
    Dew Point
    39°F

  • 30% Chance of Light Rain

    Humidity
    89%
    Feels like
    41°F
    Dew Point
    38°F

  • 30% Chance of Light Rain

    Humidity
    90%
    Feels like
    40°F
    Dew Point
    38°F

  • 30% Chance of Light Rain

    Humidity
    89%
    Feels like
    40°F
    Dew Point
    37°F

  • 30% Chance of Light Rain

    Humidity
    89%
    Feels like
    40°F
    Dew Point
    37°F

  • Cloudy

    Humidity
    89%
    Feels like
    40°F
    Dew Point
    37°F

  • Cloudy

    Humidity
    90%
    Feels like
    38°F
    Dew Point
    37°F

  • Cloudy

    Humidity
    92%
    Feels like
    39°F
    Dew Point
    39°F

  • Mostly Cloudy

    Humidity
    90%
    Feels like
    40°F
    Dew Point
    40°F

  • Mostly Cloudy

    Humidity
    86%
    Feels like
    42°F
    Dew Point
    41°F

  • Mostly Cloudy

    Humidity
    76%
    Feels like
    45°F
    Dew Point
    41°F

  • Mostly Cloudy

    Humidity
    62%
    Feels like
    51°F
    Dew Point
    38°F

  • Mostly Cloudy

    Humidity
    54%
    Feels like
    52°F
    Dew Point
    36°F

  • Mostly Cloudy

    Humidity
    49%
    Feels like
    54°F
    Dew Point
    35°F

  • 30% Chance of Light Rain

    Humidity
    47%
    Feels like
    55°F
    Dew Point
    35°F

  • 30% Chance of Light Rain

    Humidity
    46%
    Feels like
    56°F
    Dew Point
    35°F

Top Stories

Right Arrow
Monday's Weather Outlook

Monday's Weather Outlook

After a generally quiet weather pattern this weekend, multiple weather systems are set to impact the U.S. on Monday

Read More
Weekly Drought Map for April 30th, 2026

Latest Drought Update: Deep Drought Continues

Read More
(Image provided by Manfred Richter via Pixabay.com)

Plant Care: What to Do When Frosts and Freezes Occur

Read More
Featured image via Pixabay.com

Drought Impacts: It's More Than You Think!

Read More
Debris from the Tuscaloosa-Birmingham tornado. Source: National Weather Service in Birmingham, Alabama

Remembering the Tuscaloosa-Birmingham Tornado

Read More
A thunderstorm is seen in the Plains. (Courtesy of Pixabay.com)

Spring Weather Hazards: Excessive Heat to Blizzards

Read More
More NewsRight Arrow
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