10-day forecast for Ontario, OR: 31° to 66°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
62°
Best day: Tuesday, November 10
46° · 0.14 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1159° / 36°0
Morning36°feels 36°
Afternoon58°feels 56°
Evening47°feels 47°
Overnight42°feels 42°
59 °
Ontario, Wednesday, 11 November
Partly cloudy. High 59°, low 36°.
Pressure30.27 inHg
Wind3.4 mph E
Humidity51%
Visibility6.2 mi
Dew point37°
Thu, 1260° / 36°0
Morning36°feels 36°
Afternoon59°feels 57°
Evening48°feels 48°
Overnight42°feels 40°
60 °
Ontario, Thursday, 12 November
Overcast. High 60°, low 36°.
Pressure30.03 inHg
Wind4 mph E
Humidity46%
Visibility6.2 mi
Dew point36°
Fri, 1366° / 40°0.19
Morning40°feels 40°
Afternoon64°feels 61°
Evening54°feels 52°
Overnight44°feels 44°
66 °
Ontario, Friday, 13 November
Rain. High 66°, low 40°.
Pressure29.62 inHg
Wind3.4 mph E
Humidity40%
Visibility6.2 mi
Dew point33°
Sat, 1456° / 41°0.06
Morning42°feels 37°
Afternoon56°feels 53°
Evening45°feels 43°
Overnight47°feels 47°
56 °
Ontario, Saturday, 14 November
Light rain. High 56°, low 41°.
Pressure29.80 inHg
Wind8.7 mph W
Humidity47%
Visibility6.2 mi
Dew point33°
Sun, 1554° / 36°0
Morning39°feels 39°
Afternoon47°feels 45°
Evening49°feels 49°
Overnight43°feels 43°
54 °
Ontario, Sunday, 15 November
Overcast. High 54°, low 36°.
Pressure30.06 inHg
Wind4.4 mph SE
Humidity60%
Visibility—
Dew point32°
Mon, 1652° / 42°0.02
Morning44°feels 44°
Afternoon49°feels 48°
Evening50°feels 47°
Overnight45°feels 41°
52 °
Ontario, Monday, 16 November
Light rain. High 52°, low 42°.
Pressure29.97 inHg
Wind10.8 mph NW
Humidity57%
Visibility—
Dew point33°
Tue, 1753° / 40°0
Morning43°feels 40°
Afternoon47°feels 45°
Evening47°feels 47°
Overnight41°feels 37°
53 °
Ontario, Tuesday, 17 November
Overcast. High 53°, low 40°.
Pressure30.00 inHg
Wind7.1 mph NW
Humidity62%
Visibility—
Dew point34°
Wed, 1846° / 36°0.14
Morning39°feels 34°
Afternoon43°feels 36°
Evening41°feels 36°
Overnight37°feels 36°
46 °
Ontario, Wednesday, 18 November
Light rain. High 46°, low 36°.
Pressure29.88 inHg
Wind13.5 mph SE
Humidity76%
Visibility—
Dew point35°
Thu, 1944° / 31°0
Morning35°feels 34°
Afternoon40°feels 37°
Evening39°feels 37°
Overnight34°feels 32°
44 °
Ontario, Thursday, 19 November
Mostly clear. High 44°, low 31°.
Pressure30.21 inHg
Wind4 mph N
Humidity69%
Visibility—
Dew point29°
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.