10-day forecast for Ontario, WI: 30° to 61°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
60°
Best day: Monday, November 9
46°
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0550° / 42°0
Morning47°feels 43°
Afternoon50°feels 45°
Evening42°feels 36°
Overnight48°feels 45°
50 °
Ontario, Thursday, 5 November
Overcast. High 50°, low 42°.
Pressure29.83 inHg
Wind14.5 mph N
Humidity71%
Visibility6.2 mi
Dew point42°
Fri, 0646° / 31°0
Morning34°feels 28°
Afternoon46°feels 42°
Evening35°feels 33°
Overnight40°feels 34°
46 °
Ontario, Friday, 6 November
Mostly clear. High 46°, low 31°.
Pressure30.24 inHg
Wind6.2 mph N
Humidity60%
Visibility6.2 mi
Dew point26°
Sat, 0751° / 31°0
Morning36°feels 32°
Afternoon51°feels 48°
Evening44°feels 38°
Overnight32°feels 29°
51 °
Ontario, Saturday, 7 November
Clear. High 51°, low 31°.
Pressure30.18 inHg
Wind7.4 mph SW
Humidity52%
Visibility6.2 mi
Dew point30°
Sun, 0855° / 42°0
Morning47°feels 43°
Afternoon55°feels 53°
Evening43°feels 40°
Overnight46°feels 40°
55 °
Ontario, Sunday, 8 November
Mostly clear. High 55°, low 42°.
Pressure30.09 inHg
Wind10.6 mph NW
Humidity49%
Visibility6.2 mi
Dew point36°
Mon, 0960° / 37°0
Morning43°feels 38°
Afternoon57°feels 55°
Evening53°feels 51°
Overnight49°feels 47°
60 °
Ontario, Monday, 9 November
Overcast. High 60°, low 37°.
Pressure30.06 inHg
Wind9.8 mph SW
Humidity51%
Visibility—
Dew point37°
Tue, 1055° / 40°0
Morning45°feels 41°
Afternoon53°feels 50°
Evening42°feels 38°
Overnight40°feels 36°
55 °
Ontario, Tuesday, 10 November
Overcast. High 55°, low 40°.
Pressure30.06 inHg
Wind9.1 mph NW
Humidity50%
Visibility—
Dew point35°
Wed, 1146° / 33°0
Morning36°feels 31°
Afternoon44°feels 39°
Evening37°feels 32°
Overnight35°feels 30°
46 °
Ontario, Wednesday, 11 November
Clear. High 46°, low 33°.
Pressure30.24 inHg
Wind10.4 mph N
Humidity53%
Visibility—
Dew point28°
Thu, 1246° / 30°0
Morning34°feels 29°
Afternoon43°feels 39°
Evening37°feels 32°
Overnight34°feels 30°
46 °
Ontario, Thursday, 12 November
Partly cloudy. High 46°, low 30°.
Pressure30.24 inHg
Wind9.3 mph NW
Humidity48%
Visibility—
Dew point24°
Fri, 1355° / 34°0
Morning40°feels 36°
Afternoon52°feels 49°
Evening46°feels 41°
Overnight43°feels 38°
55 °
Ontario, Friday, 13 November
Partly cloudy. High 55°, low 34°.
Pressure29.94 inHg
Wind12.1 mph W
Humidity45%
Visibility—
Dew point30°
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.