10-day forecast for Ontario, WI: 22° to 58°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
58°
Best day: Monday, November 9
42° · 0.11 in
Worst day: Thursday, November 12
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 0749° / 27°0
Morning34°feels 29°
Afternoon49°feels 45°
Evening41°feels 35°
Overnight28°feels 23°
49 °
Ontario, Saturday, 7 November
Mostly clear. High 49°, low 27°.
Pressure30.15 inHg
Wind8.3 mph SW
Humidity56%
Visibility6.2 mi
Dew point33°
Sun, 0854° / 40°0
Morning44°feels 38°
Afternoon54°feels 52°
Evening44°feels 39°
Overnight42°feels 35°
54 °
Ontario, Sunday, 8 November
Clear. High 54°, low 40°.
Pressure30.00 inHg
Wind13.7 mph NW
Humidity51%
Visibility6.2 mi
Dew point35°
Mon, 0958° / 35°0
Morning39°feels 35°
Afternoon58°feels 55°
Evening50°feels 46°
Overnight39°feels 35°
58 °
Ontario, Monday, 9 November
Overcast. High 58°, low 35°.
Pressure30.06 inHg
Wind9.8 mph SW
Humidity55%
Visibility6.2 mi
Dew point38°
Tue, 1057° / 40°0
Morning44°feels 39°
Afternoon56°feels 54°
Evening45°feels 43°
Overnight44°feels 39°
57 °
Ontario, Tuesday, 10 November
Partly cloudy. High 57°, low 40°.
Pressure30.06 inHg
Wind5.8 mph W
Humidity54%
Visibility6.2 mi
Dew point38°
Wed, 1151° / 41°0.04
Morning44°feels 43°
Afternoon51°feels 48°
Evening46°feels 44°
Overnight43°feels 40°
51 °
Ontario, Wednesday, 11 November
Light rain. High 51°, low 41°.
Pressure29.85 inHg
Wind7.9 mph NE
Humidity63%
Visibility—
Dew point38°
Thu, 1242° / 30°0.11
Morning40°feels 32°
Afternoon40°feels 33°
Evening33°feels 26°
Overnight32°feels 25°
42 °
Ontario, Thursday, 12 November
Light rain. High 42°, low 30°.
Pressure30.03 inHg
Wind14.7 mph N
Humidity61%
Visibility—
Dew point29°
Fri, 1338° / 24°0
Morning28°feels 20°
Afternoon36°feels 29°
Evening29°feels 23°
Overnight26°feels 19°
38 °
Ontario, Friday, 13 November
Partly cloudy. High 38°, low 24°.
Pressure30.21 inHg
Wind11.9 mph N
Humidity44%
Visibility—
Dew point16°
Sat, 1440° / 22°0
Morning27°feels 26°
Afternoon37°feels 35°
Evening30°feels 29°
Overnight27°feels 23°
40 °
Ontario, Saturday, 14 November
Overcast. High 40°, low 22°.
Pressure30.21 inHg
Wind4.5 mph N
Humidity43%
Visibility—
Dew point16°
Sun, 1548° / 27°0
Morning33°feels 26°
Afternoon45°feels 40°
Evening37°feels 32°
Overnight34°feels 28°
48 °
Ontario, Sunday, 15 November
Overcast. High 48°, low 27°.
Pressure30.18 inHg
Wind11.7 mph SW
Humidity44%
Visibility—
Dew point24°
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, WI 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.