Weather in Ontario, OR
Updated 2026-09-26 08:00 local time · ZIP codes 97914
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
55°14% rain47°12% rain50°10% rain
53°8% rain
56°3% rain
60°0% rain62°0% rain63°0% rain64°1% rain64°8% rain64°9% rain67°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 14%).
It feels like 52°F with winds near 4 mph.
64°F, 1% rain chance and 4 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 55°F, wind 4 mph, rain chance up to 14%.
UV index is 0.
Local weather characteristics in Ontario
Oregon ranges from a mild, wet Pacific climate west of the Cascades to much drier conditions east of the mountains. Elevation strongly affects snow and temperature.
Ontario is part of the West weather region. The forecast point is near 44.03°N latitude and 116.96°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Ontario weather today
Overcast and 55°F in Ontario, OR. Today's high is 67°F with a 6% rain chance. Winds are around 4 mph with gusts near 4 mph. Relative humidity is 57%, pressure is 30.10 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Ontario
Sunrise is at 07:39 AM and sunset is at 07:38 PM. Tomorrow's forecast calls for Overcast with a high near 70°F and a low near 52°F. The maximum rain chance is 9%.