0

Hourly Weather Forecast - Mattawa, Ontario, CA

  • Temperature
    27°F
    Precipitation
    0%
    Wind
    11mph
    S
    Arrow up

    Mostly Cloudy

    Humidity
    78%
    Feels like
    17°F
    Dew Point
    21°F

  • Cloudy

    Humidity
    80%
    Feels like
    16°F
    Dew Point
    21°F

  • Cloudy

    Humidity
    81%
    Feels like
    16°F
    Dew Point
    21°F

  • Cloudy

    Humidity
    83%
    Feels like
    15°F
    Dew Point
    21°F

  • Mostly Cloudy

    Humidity
    83%
    Feels like
    15°F
    Dew Point
    21°F

  • Mostly Cloudy

    Humidity
    82%
    Feels like
    16°F
    Dew Point
    22°F

  • Mostly Cloudy

    Humidity
    82%
    Feels like
    17°F
    Dew Point
    23°F

  • Mostly Cloudy

    Humidity
    83%
    Feels like
    18°F
    Dew Point
    23°F

Top Stories

Right Arrow
Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Read More
Tuesday's Weather Outlook

Today's Weather Outlook

Read More
How to Measure Snow via NWS

How To Measure Snow

Read More
Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

Read More
A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

Read More
A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

Read More
More NewsRight Arrow
loading ad...
Today's National Outlook
Hurricane Tracker
Allergy Forecast
Cold & Flu
Snow & Ski Forecast
Fire Updates
Traffic Cameras
Weather Cameras
Traffic Cameras
Weather Cameras
Outdoor Sports Guide