7-Day Forecast 44.03°N 116.97°W (Text-Only)
NWS Forecast for: Ontario OR
Issued by: National Weather Service Boise, ID
Last Update: 10:12 am MST Dec 30, 2025




This Afternoon: Sunny, with a high near 38. Light northwest wind.

Tonight: Mostly clear, with a low around 22. Northwest wind around 5 mph becoming calm in the evening.

Wednesday: Partly sunny, with a high near 37. Calm wind.

Wednesday Night: A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 26. Light and variable wind.

New Year's Day: A slight chance of snow before 8am, then rain likely. Cloudy, with a high near 38. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night: Rain likely. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday: A 50 percent chance of rain. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 45.

Friday Night: A 50 percent chance of rain. Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 36.

Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 49.

Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 32.

Sunday: A 30 percent chance of rain. Partly sunny, with a high near 45.

Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 30.

Monday: A 30 percent chance of rain. Mostly cloudy, with a high near 43.



Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)

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