Ontario, OR Weather Forecast
Malheur County, Oregon
Live radar, warnings and storm tracking for Ontario, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Ontario
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Ontario, OR at a glance
Ontario is home to about 11,866 people in Malheur County, across 5.9 square miles. It ranks 44th by population of 107 places in Oregon with a forecast here. The nearest neighbour with its own forecast is Fruitland, 3 miles away.
- County
- Malheur County
- Population
- 11,866 2023 est.
- Land area
- 5.9 sq mi
- People per sq mi
- 1,995
- Forecast point
- 44.0250°N, 116.9788°W
How well can the network see Ontario?
The nearest Doppler radar is KCBX (Boise, ID), to the SE. Its lowest scan passes about 3,800 ft above Ontario. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KONO (Ontario Muni). Close enough that its readings are the conditions in town.
Forecasts near Ontario
- Fruitland, ID3 mi
- Payette, ID5 mi
- Nyssa, OR10 mi
- Weiser, ID16 mi
- Emmett, ID27 mi
- Middleton, ID28 mi
- Homedale, ID28 mi
- Caldwell, ID31 mi
Elsewhere in Oregon
PortlandEugeneSalemGreshamHillsboroBendAll Oregon forecasts →

