National Weather Service

News Headlines

SCN26-34: Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices: Effective May 6, 2026
Easter Weather History

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Mostly Cloudy

44°F

7°C

Humidity	78%
Wind Speed	WSW 12 MPH
Barometer	29.64 in (1003.73 mb)
Dewpoint	38°F (3°C)
Visibility	10.00 mi
Wind Chill	38°F (3°C)
Last update	02 Apr 03:53 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Ontario OR

Today
High: 52 °F
Chance
Rain/Snow
then Showers
Likely
Tonight
Low: 30 °F
Slight Chance
Showers then
Mostly Clear
Friday
High: 58 °F
Sunny
Friday Night
Low: 33 °F
Mostly Clear
Saturday
High: 65 °F
Sunny
Saturday Night
Low: 38 °F
Mostly Clear
Sunday
High: 69 °F
Mostly Sunny
Sunday Night
Low: 41 °F
Partly Cloudy
Monday
High: 73 °F
Mostly Sunny

Detailed Forecast

Today

A chance of rain and snow showers before 1pm, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 52. West southwest wind 9 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Tonight

A 20 percent chance of showers before 7pm. Partly cloudy, with a low around 30. West wind 5 to 14 mph, with gusts as high as 25 mph.

Friday

Sunny, with a high near 58. Light and variable wind.

Friday Night

Mostly clear, with a low around 33. North northeast wind around 5 mph becoming calm in the evening.

Saturday

Sunny, with a high near 65. Calm wind.

Saturday Night

Mostly clear, with a low around 38.

Sunday

Mostly sunny, with a high near 69.