Ontario, Oregon | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    48°
    Sunday 5/19
    Forecast night icon
    48°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Low temperature around 48F. Dew point will be around 29F with an average humidity of 55%. Winds will be 11 mph from the NW.
  • Forecast day icon
    Monday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Monday 5/20
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Isolated rain showers and thunderstorms this afternoon. Thunderstorms may produce gusty winds and small hail this afternoon. Chance of rain 20 percent. Highs 65 to 70. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph.
    Night Details
    Mostly clear. Lows 39 to 44. Breezy. Northwest winds 10 to 20 mph. Gusts to 30 mph in the evening.
  • Forecast day icon
    Tuesday
    Sunny
    73°
    Forecast night icon
    Night
    70% Chance Rain Showers
    53°
    Tuesday 5/21
    Day
    73°
    Sunny
    Forecast day icon
    Night
    53°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs 69 to 74. West winds up to 10 mph with gusts to 20 mph.
    Night Details
    Increasing clouds. Rain showers likely mainly after midnight. Chance of rain 70 percent. Lows 47 to 52. West winds up to 10 mph.
  • Forecast day icon
    Wednesday
    80% Chance of Storms
    65°
    Forecast night icon
    Night
    30% Chance of Storms
    43°
    Wednesday 5/22
    Day
    65°
    80% Chance of Storms
    Forecast day icon
    Night
    43°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely in the morning then rain showers with a slight chance of thunderstorms in the afternoon. Chance of rain 80 percent. Cooler with highs 59 to 64. Temperature falling into the mid 50s in the afternoon. Windy. Southwest winds 10 to 15 mph in the morning becoming west 15 to 25 mph in the afternoon.
    Night Details
    Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening then a slight chance of rain showers after midnight. Chance of rain 30 percent. Colder with lows 37 to 42. Breezy.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    64°
    Forecast night icon
    Night
    Clearing
    44°
    Thursday 5/23
    Day
    64°
    30% Chance Rain Showers
    Forecast day icon
    Night
    44°
    Clearing
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of rain showers mainly in the morning. Chance of rain 30 percent. Highs 61 to 66.
    Night Details
    Decreasing clouds. Lows 41 to 46.
  • Forecast day icon
    Friday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Clearing
    53°
    Friday 5/24
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Clearing
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 70 to 75.
    Night Details
    Decreasing clouds. Lows 46 to 51.
  • Forecast day icon
    Saturday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Saturday 5/25
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of rain showers. Highs 66 to 72.
    Night Details
    Partly cloudy. Lows 42 to 47. Highs 68 to 74.
  • Forecast day icon
    Sunday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Clear
    49°
    Sunday 5/26
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy. Lows 42 to 47. Highs 68 to 74.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 37F with an average humidity of 48%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Monday
    Sunny
    78°
    Forecast night icon
    Night
    Clear
    54°
    Monday 5/27
    Day
    78°
    Sunny
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 78F. Dew point will be around 39F with an average humidity of 38%. Winds will be 2 mph from the NW.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 40F with an average humidity of 45%. Winds will be 4 mph from the N.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    84°
    Forecast night icon
    Night
    Mostly Clear
    57°
    Tuesday 5/28
    Day
    84°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 84F. Dew point will be around 43F with an average humidity of 36%. Winds will be 2 mph from the NE.
    Night Details
    Mostly clear. Low temperature around 57F. Dew point will be around 42F with an average humidity of 41%. Winds will be 4 mph from the N.
  • Forecast day icon
    Wednesday
    Sunny
    87°
    Forecast night icon
    Night
    Mostly Clear
    57°
    Wednesday 5/29
    Day
    87°
    Sunny
    Forecast day icon
    Night
    57°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 87F. Dew point will be around 44F with an average humidity of 34%. Winds will be 2 mph from the NW.
    Night Details
    Mostly clear. Low temperature around 57F. Dew point will be around 44F with an average humidity of 44%. Winds will be 5 mph from the NW.