10-day forecast for Ontario, OR: 33° to 53°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
53°
Best day: Monday, November 23
46° · 0.3 in
Worst day: Monday, November 16
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1551° / 43°0.17
Morning43°feels 41°
Afternoon50°feels 47°
Evening49°feels 48°
Overnight45°feels 42°
51 °
Ontario, Sunday, 15 November
Rain. High 51°, low 43°.
Pressure30.06 inHg
Wind2.6 mph SW
Humidity53%
Visibility6.2 mi
Dew point32°
Mon, 1646° / 41°0.3
Morning41°feels 41°
Afternoon46°feels 46°
Evening43°feels 43°
Overnight42°feels 42°
46 °
Ontario, Monday, 16 November
Rain. High 46°, low 41°.
Pressure30.09 inHg
Wind1.1 mph N
Humidity91%
Visibility4.9 mi
Dew point43°
Tue, 1749° / 35°0
Morning39°feels 34°
Afternoon49°feels 48°
Evening38°feels 35°
Overnight40°feels 36°
49 °
Ontario, Tuesday, 17 November
Overcast. High 49°, low 35°.
Pressure29.97 inHg
Wind6.6 mph NW
Humidity61%
Visibility6.2 mi
Dew point33°
Wed, 1841° / 33°0.08
Morning35°feels 33°
Afternoon38°feels 33°
Evening40°feels 37°
Overnight34°feels 34°
41 °
Ontario, Wednesday, 18 November
Snow. High 41°, low 33°.
Pressure30.03 inHg
Wind6.6 mph SE
Humidity91%
Visibility—
Dew point35°
Thu, 1946° / 36°0.04
Morning38°feels 38°
Afternoon41°feels 41°
Evening42°feels 40°
Overnight37°feels 35°
46 °
Ontario, Thursday, 19 November
Light rain. High 46°, low 36°.
Pressure30.06 inHg
Wind6.1 mph NW
Humidity92%
Visibility—
Dew point38°
Fri, 2045° / 38°0.06
Morning41°feels 40°
Afternoon44°feels 44°
Evening44°feels 42°
Overnight39°feels 37°
45 °
Ontario, Friday, 20 November
Light rain. High 45°, low 38°.
Pressure29.88 inHg
Wind4.7 mph W
Humidity81%
Visibility—
Dew point38°
Sat, 2149° / 36°0
Morning38°feels 38°
Afternoon44°feels 42°
Evening45°feels 42°
Overnight40°feels 38°
49 °
Ontario, Saturday, 21 November
Overcast. High 49°, low 36°.
Pressure30.24 inHg
Wind6.4 mph E
Humidity70%
Visibility—
Dew point33°
Sun, 2250° / 39°0
Morning42°feels 37°
Afternoon44°feels 40°
Evening44°feels 41°
Overnight43°feels 41°
50 °
Ontario, Sunday, 22 November
Overcast. High 50°, low 39°.
Pressure30.15 inHg
Wind10.3 mph E
Humidity59%
Visibility—
Dew point30°
Mon, 2353° / 43°0.02
Morning45°feels 42°
Afternoon49°feels 47°
Evening47°feels 47°
Overnight44°feels 41°
53 °
Ontario, Monday, 23 November
Light rain. High 53°, low 43°.
Pressure30.12 inHg
Wind5.9 mph SE
Humidity55%
Visibility—
Dew point33°
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.