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: 1:48 pm MDT May 17, 2026




Tonight: Mostly clear, with a low around 42. Breezy, with a north northwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.

Monday: Sunny, with a high near 70. North wind 6 to 10 mph.

Monday Night: Partly cloudy, with a low around 42. North northwest wind 5 to 10 mph.

Tuesday: Sunny, with a high near 74. Calm wind.

Tuesday Night: Mostly clear, with a low around 46. Light north wind.

Wednesday: Mostly sunny, with a high near 78.

Wednesday Night: Mostly clear, with a low around 47.

Thursday: Mostly sunny, with a high near 81.

Thursday Night: Mostly clear, with a low around 50.

Friday: Sunny, with a high near 82.

Friday Night: Mostly clear, with a low around 50.

Saturday: Sunny, with a high near 86.

Saturday Night: Mostly clear, with a low around 51.

Sunday: Sunny, with a high near 85.



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

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