10-day forecast for Ontario, OR: 28° to 64°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
60°
Best day: Thursday, November 12
37° · 0.67 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1364° / 34°0.06
Morning35°feels 35°
Afternoon63°feels 61°
Evening52°feels 49°
Overnight38°feels 38°
64 °
Ontario, Friday, 13 November
Light rain. High 64°, low 34°.
Pressure29.59 inHg
Wind3.3 mph E
Humidity44%
Visibility6.2 mi
Dew point35°
Sat, 1456° / 38°0.04
Morning41°feels 36°
Afternoon55°feels 53°
Evening47°feels 44°
Overnight40°feels 37°
56 °
Ontario, Saturday, 14 November
Light rain. High 56°, low 38°.
Pressure29.91 inHg
Wind5.5 mph W
Humidity50%
Visibility6.2 mi
Dew point35°
Sun, 1555° / 41°0.07
Morning41°feels 36°
Afternoon55°feels 53°
Evening47°feels 45°
Overnight42°feels 39°
55 °
Ontario, Sunday, 15 November
Light rain. High 55°, low 41°.
Pressure30.00 inHg
Wind4 mph SE
Humidity50%
Visibility6.2 mi
Dew point33°
Mon, 1649° / 41°0.31
Morning42°feels 42°
Afternoon46°feels 46°
Evening46°feels 43°
Overnight44°feels 44°
49 °
Ontario, Monday, 16 November
Rain. High 49°, low 41°.
Pressure30.03 inHg
Wind1.6 mph W
Humidity88%
Visibility6.2 mi
Dew point43°
Tue, 1747° / 32°0
Morning39°feels 32°
Afternoon43°feels 37°
Evening42°feels 38°
Overnight33°feels 32°
47 °
Ontario, Tuesday, 17 November
Overcast. High 47°, low 32°.
Pressure30.03 inHg
Wind13 mph NW
Humidity64%
Visibility—
Dew point31°
Wed, 1837° / 31°0.67
Morning32°feels 29°
Afternoon34°feels 28°
Evening36°feels 35°
Overnight34°feels 32°
37 °
Ontario, Wednesday, 18 November
Snow. High 37°, low 31°.
Pressure29.97 inHg
Wind10.7 mph SE
Humidity100%
Visibility—
Dew point33°
Thu, 1939° / 28°0
Morning33°feels 29°
Afternoon35°feels 32°
Evening35°feels 32°
Overnight32°feels 29°
39 °
Ontario, Thursday, 19 November
Partly cloudy. High 39°, low 28°.
Pressure30.21 inHg
Wind5.3 mph NW
Humidity72%
Visibility—
Dew point27°
Fri, 2039° / 32°0.04
Morning34°feels 30°
Afternoon37°feels 31°
Evening38°feels 38°
Overnight35°feels 34°
39 °
Ontario, Friday, 20 November
Light snow. High 39°, low 32°.
Pressure29.91 inHg
Wind9.5 mph NW
Humidity66%
Visibility—
Dew point26°
Sat, 2140° / 33°0.06
Morning35°feels 35°
Afternoon37°feels 34°
Evening36°feels 33°
Overnight33°feels 33°
40 °
Ontario, Saturday, 21 November
Light snow. High 40°, low 33°.
Pressure30.15 inHg
Wind4.6 mph NW
Humidity78%
Visibility—
Dew point31°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Ontario, OR around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.