0

Hourly Weather Forecast - Port Union, Ontario, CA

  • Temperature
    12°F
    Precipitation
    0%
    Wind
    6mph
    W
    Arrow up

    Partly Cloudy

    Humidity
    61%
    Feels like
    3°F
    Dew Point
    2°F

  • Mostly Cloudy

    Humidity
    58%
    Feels like
    5°F
    Dew Point
    3°F

  • Mostly Cloudy

    Humidity
    56%
    Feels like
    6°F
    Dew Point
    4°F

  • Mostly Cloudy

    Humidity
    58%
    Feels like
    7°F
    Dew Point
    6°F

  • Partly Cloudy

    Humidity
    61%
    Feels like
    7°F
    Dew Point
    7°F

  • Mostly Cloudy

    Humidity
    63%
    Feels like
    6°F
    Dew Point
    8°F

  • Mostly Cloudy

    Humidity
    65%
    Feels like
    6°F
    Dew Point
    8°F

  • Mostly Cloudy

    Humidity
    66%
    Feels like
    6°F
    Dew Point
    9°F

  • Mostly Cloudy

    Humidity
    67%
    Feels like
    6°F
    Dew Point
    9°F

  • Mostly Cloudy

    Humidity
    67%
    Feels like
    6°F
    Dew Point
    9°F

  • Mostly Cloudy

    Humidity
    69%
    Feels like
    6°F
    Dew Point
    9°F

  • Mostly Cloudy

    Humidity
    69%
    Feels like
    6°F
    Dew Point
    9°F

  • Mostly Cloudy

    Humidity
    71%
    Feels like
    6°F
    Dew Point
    10°F

Top Stories

Right Arrow
Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Moderate to heavy rainfall persists until nighttime in much of California.

Read More
Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

Read More
St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

Read More
EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Read More
Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Read More
Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

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