10-Day Weather Forecast - Ontario, CA

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  • |56°F
    Partly Cloudy
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    Tonight

    56°F

    Partly cloudy this evening. . . Becoming mostly clear. Lows around 50 in wind sheltered areas to 52 to 59 in warmer locations. Light winds.

    Hourly details
  • Day

    77°F

    Mostly sunny in the morning. . . Becoming partly cloudy. Highs 75 to 79. Light winds becoming southwest to 10 mph in the afternoon.

    Night

    54°F

    Mostly clear. Lows 45 to 48 in wind sheltered areas to 48 to 56 in warmer locations. Light winds.

    Hourly details
  • Weekend Weather

  • Day

    70°F

    Mostly sunny in the morning. . . Becoming partly cloudy. Highs 73 to 78. Light winds.

    Night

    53°F

    Partly cloudy. Lows around 50 in wind sheltered areas to 50 to 56 in warmer locations. Light winds.

    Hourly details
  • Day

    73°F

    Partly cloudy. Highs 73 to 77.

    Night

    53°F

    Partly cloudy. Lows 45 to 53.

    Hourly details
  • Day

    72°F

    Partly cloudy. Highs 73 to 78.

    Night

    54°F

    Clear. Lows 45 to 52.

    Hourly details
  • Day

    68°F

    Mostly sunny in the morning then partly cloudy with a chance of showers in the afternoon. Highs 67 to 71.

    Night

    58°F

    Mostly cloudy. A chance of showers in the evening then showers likely overnight. Lows 47 to 54.

    Hourly details
  • Day

    61°F

    Showers. Locally heavy rainfall possible. Highs 61 to 65.

    Night

    51°F

    Showers. Lows 47 to 53.

    Hourly details
  • Day

    58°F

    Showers likely. Highs 62 to 66.

    Night

    48°F

    Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 48F. Dew point will be around 50F with an average humidity of 97%. Winds will be 4 mph from the S.

  • Day

    56°F

    Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 56F. Dew point will be around 47F with an average humidity of 77%. Winds will be 4 mph from the SW.

    Night

    45°F

    Mostly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 45F. Dew point will be around 45F with an average humidity of 87%. Winds will be 2 mph from the NE.

  • Weekend Weather

  • Day

    58°F

    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 40F with an average humidity of 60%. Winds will be 3 mph from the N.

    Night

    44°F

    Clear. Low temperature around 44F. Dew point will be around 37F with an average humidity of 64%. Winds will be 7 mph from the NE.