National Weather Service forecast

Ontario, California Weather

53°Tonight: Mostly Clear
Wind NE 0 to 5 mph
7-DayHourlyRadar

Ontario 7-Day Forecast

  1. Tonight
    53°F
    Mostly Clear

    Mostly clear, with a low around 53. Northeast wind 0 to 5 mph.

  2. Wednesday
    73°F
    Sunny

    Sunny, with a high near 73. Southwest wind 0 to 5 mph.

  3. Wednesday Night
    55°F
    Mostly Clear

    Mostly clear, with a low around 55. North wind 0 to 5 mph.

  4. Thursday
    78°F
    Sunny

    Sunny, with a high near 78. South wind 0 to 5 mph.

  5. Thursday Night
    55°F
    Mostly Clear

    Mostly clear, with a low around 55. North wind 0 to 10 mph.

  6. Friday
    81°F
    Sunny

    Sunny, with a high near 81.

  7. Friday Night
    57°F
    Clear

    Clear, with a low around 57.

  8. Saturday
    84°F
    Sunny

    Sunny, with a high near 84.

  9. Saturday Night
    59°F
    Clear

    Clear, with a low around 59.

  10. Sunday
    85°F
    Sunny

    Sunny, with a high near 85.

  11. Sunday Night
    61°F
    Partly Cloudy

    Partly cloudy, with a low around 61.

  12. Monday
    82°F
    Mostly Sunny

    Mostly sunny, with a high near 82.

  13. Monday Night
    60°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 60.

  14. Tuesday
    81°F
    Mostly Sunny
    3% chance of precipitation

    Mostly sunny, with a high near 81.

Issued by the National Weather Service (SGX office), updated .

Ontario Hourly Forecast

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Full 100+ hour forecast for Ontario

Ontario Weather Radar

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About Ontario

Population (2020 Census)
175,265
Coordinates
34.037, -117.606
Elevation
823 ft
NWS forecast office
SGX
Time zone
America/Los Angeles
Sunrise today
6:12 AM PST
Sunset today
4:55 PM PST
Daylight today
10 h 43 min

Ontario Weather Questions

What is the weather forecast for Ontario, California?

Tonight: Mostly clear, with a low around 53. Northeast wind 0 to 5 mph. Wednesday: Sunny, with a high near 73. Southwest wind 0 to 5 mph.

Will it rain or snow in Ontario this week?

Not much. The highest chance of precipitation in the 7-day forecast is 3%, Tuesday.

How warm and how cold will it get in Ontario this week?

The warmest day is Sunday, with a high near 85°F. The coldest night is Tonight, with a low near 53°F.

What time are sunrise and sunset in Ontario today?

Sunrise is at 6:12 AM PST and sunset is at 4:55 PM PST, for 10 h 43 min of daylight.

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