10-day forecast for Ontario, OR: 28° to 62°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
59°
Best day: Saturday, November 14
39° · 0.14 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1459° / 32°0
Morning32°feels 27°
Afternoon57°feels 55°
Evening41°feels 41°
Overnight41°feels 34°
59 °
Ontario, Saturday, 14 November
Light rain. High 59°, low 32°.
Pressure29.91 inHg
Wind5.3 mph W
Humidity48%
Visibility6.2 mi
Dew point34°
Sun, 1555° / 42°0.12
Morning42°feels 37°
Afternoon55°feels 53°
Evening46°feels 46°
Overnight44°feels 40°
55 °
Ontario, Sunday, 15 November
Light rain. High 55°, low 42°.
Pressure29.97 inHg
Wind6.4 mph S
Humidity46%
Visibility6.2 mi
Dew point33°
Mon, 1648° / 38°0.15
Morning41°feels 41°
Afternoon48°feels 48°
Evening42°feels 42°
Overnight43°feels 43°
48 °
Ontario, Monday, 16 November
Light rain. High 48°, low 38°.
Pressure30.06 inHg
Wind0.4 mph NW
Humidity91%
Visibility5.0 mi
Dew point44°
Tue, 1748° / 32°0
Morning36°feels 29°
Afternoon44°feels 39°
Evening42°feels 37°
Overnight38°feels 33°
48 °
Ontario, Tuesday, 17 November
Overcast. High 48°, low 32°.
Pressure30.06 inHg
Wind11.2 mph NW
Humidity60%
Visibility—
Dew point31°
Wed, 1839° / 29°0.14
Morning30°feels 29°
Afternoon35°feels 32°
Evening37°feels 37°
Overnight33°feels 33°
39 °
Ontario, Wednesday, 18 November
Snow. High 39°, low 29°.
Pressure30.00 inHg
Wind4.2 mph E
Humidity89%
Visibility—
Dew point31°
Thu, 1943° / 33°0.16
Morning38°feels 32°
Afternoon40°feels 36°
Evening39°feels 34°
Overnight34°feels 29°
43 °
Ontario, Thursday, 19 November
Snow. High 43°, low 33°.
Pressure29.97 inHg
Wind9.2 mph NW
Humidity66%
Visibility—
Dew point29°
Fri, 2042° / 31°0
Morning34°feels 28°
Afternoon39°feels 32°
Evening38°feels 32°
Overnight33°feels 28°
42 °
Ontario, Friday, 20 November
Overcast. High 42°, low 31°.
Pressure29.91 inHg
Wind12.1 mph NW
Humidity60%
Visibility—
Dew point25°
Sat, 2141° / 30°0
Morning32°feels 32°
Afternoon37°feels 36°
Evening37°feels 33°
Overnight31°feels 29°
41 °
Ontario, Saturday, 21 November
Overcast. High 41°, low 30°.
Pressure30.15 inHg
Wind5.6 mph NE
Humidity66%
Visibility—
Dew point25°
Sun, 2241° / 28°0
Morning31°feels 31°
Afternoon36°feels 36°
Evening36°feels 36°
Overnight30°feels 30°
41 °
Ontario, Sunday, 22 November
Overcast. High 41°, low 28°.
Pressure30.33 inHg
Wind3.2 mph NE
Humidity65%
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, 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.