National Weather Service forecast
Ontario, Oregon Weather
Ontario 7-Day Forecast
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Overnight37°FMostly Cloudy2% chance of precipitation
Mostly cloudy, with a low around 37. West southwest wind around 2 mph.
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Wednesday60°FSunny1% chance of precipitation
Sunny, with a high near 60. West southwest wind around 3 mph.
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Wednesday Night37°FMostly Cloudy8% chance of precipitation
Mostly cloudy, with a low around 37. South southeast wind around 2 mph.
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Thursday57°FMostly Sunny8% chance of precipitation
Mostly sunny, with a high near 57. Northwest wind 0 to 5 mph.
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Thursday Night31°FMostly Clear
Mostly clear, with a low around 31. North northwest wind 0 to 3 mph.
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Friday54°FMostly Sunny
Mostly sunny, with a high near 54.
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Friday Night29°FPartly Cloudy
Partly cloudy, with a low around 29.
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Saturday58°FMostly Sunny
Mostly sunny, with a high near 58.
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Saturday Night35°FPartly Cloudy
Partly cloudy, with a low around 35.
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Sunday60°FMostly Sunny
Mostly sunny, with a high near 60.
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Sunday Night34°FMostly Cloudy
Mostly cloudy, with a low around 34.
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Monday59°FPatchy Fog then Partly Sunny
Patchy fog before 8am. Partly sunny, with a high near 59.
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Monday Night34°FMostly Cloudy then Patchy Fog4% chance of precipitation
Patchy fog after 5am. Mostly cloudy, with a low around 34.
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Tuesday60°FAreas Of Fog then Mostly Sunny7% chance of precipitation
Areas of fog before 9am. Mostly sunny, with a high near 60.
Issued by the National Weather Service (BOI office), updated .
Ontario Hourly Forecast
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Ontario Weather Radar
Open the full radar for OntarioAbout Ontario
- Population (2020 Census)
- 11,645
- Coordinates
- 44.026, -116.976
- Elevation
- 2,103 ft
- NWS forecast office
- BOI
- Time zone
- America/Boise
- Sunrise today
- 7:28 AM MST
- Sunset today
- 5:34 PM MST
- Daylight today
- 10 h 6 min
Ontario Weather Questions
What is the weather forecast for Ontario, Oregon?
Overnight: Mostly cloudy, with a low around 37. West southwest wind around 2 mph. Wednesday: Sunny, with a high near 60. West southwest wind around 3 mph.
Will it rain or snow in Ontario this week?
Not much. The highest chance of precipitation in the 7-day forecast is 8%, Wednesday Night.
How warm and how cold will it get in Ontario this week?
The warmest day is Wednesday, with a high near 60°F. The coldest night is Friday Night, with a low near 29°F.
What time are sunrise and sunset in Ontario today?
Sunrise is at 7:28 AM MST and sunset is at 5:34 PM MST, for 10 h 6 min of daylight.