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As of 13:57 CDT

Weather in Ontario, IL

64°Current weather

Ontario, Sunday, 18 October, 13:57

Clear. Feels like 63°. High 64°, low 39°.

Pressure30.36 inHg
Wind12.7 mph S
Humidity49%
Visibility6.2 mi
Dew point45°

10-day forecast for Ontario, IL: 39° to 75°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

75°
Best day: Saturday, October 24
53° · 0.15 in
Worst day: Monday, October 26

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1965° / 40°0Overcast
MorningClear43°feels 40°
AfternoonOvercast65°feels 63°
EveningClear51°feels 49°
OvernightClear44°feels 40°
65 °Overcast

Ontario, Monday, 19 October

Overcast. High 65°, low 40°.

Pressure30.39 inHg
Wind4.5 mph S
Humidity56%
Visibility6.2 mi
Dew point45°
Tue, 2066° / 43°0Clear
MorningClear45°feels 43°
AfternoonClear66°feels 64°
EveningClear53°feels 52°
OvernightClear46°feels 45°
66 °Clear

Ontario, Tuesday, 20 October

Clear. High 66°, low 43°.

Pressure30.39 inHg
Wind5.1 mph SE
Humidity49%
Visibility6.2 mi
Dew point45°
Wed, 2168° / 46°0Clear
MorningClear47°feels 46°
AfternoonClear68°feels 67°
EveningClear59°feels 58°
OvernightClear48°feels 46°
68 °Clear

Ontario, Wednesday, 21 October

Clear. High 68°, low 46°.

Pressure30.27 inHg
Wind3.9 mph S
Humidity53%
Visibility6.2 mi
Dew point49°
Thu, 2270° / 50°0Clear
MorningClear54°feels 53°
AfternoonClear67°feels 66°
EveningClear60°feels 58°
OvernightClear51°feels 50°
70 °Clear

Ontario, Thursday, 22 October

Clear. High 70°, low 50°.

Pressure30.30 inHg
Wind3.5 mph E
Humidity56%
Visibility6.2 mi
Dew point50°
Fri, 2367° / 50°0Clear
MorningClear55°feels 52°
AfternoonClear65°feels 64°
EveningClear59°feels 58°
OvernightClear56°feels 54°
67 °Clear

Ontario, Friday, 23 October

Clear. High 67°, low 50°.

Pressure30.30 inHg
Wind9.7 mph SE
Humidity54%
Visibility—
Dew point47°
Sat, 2475° / 56°0Overcast
MorningOvercast61°feels 59°
AfternoonOvercast69°feels 67°
EveningOvercast66°feels 65°
OvernightOvercast63°feels 62°
75 °Overcast

Ontario, Saturday, 24 October

Overcast. High 75°, low 56°.

Pressure30.21 inHg
Wind15.3 mph S
Humidity45%
Visibility—
Dew point45°
Sun, 2558° / 50°0.04Light rain
MorningLight rain54°feels 51°
AfternoonLight rain56°feels 53°
EveningLight rain50°feels 48°
OvernightLight rain51°feels 49°
58 °Light rain

Ontario, Sunday, 25 October

Light rain. High 58°, low 50°.

Pressure30.45 inHg
Wind11.1 mph N
Humidity39%
Visibility—
Dew point32°
Mon, 2653° / 47°0.15Light rain
MorningLight rain48°feels 46°
AfternoonLight rain51°feels 50°
EveningLight rain52°feels 51°
OvernightLight rain51°feels 50°
53 °Light rain

Ontario, Monday, 26 October

Light rain. High 53°, low 47°.

Pressure30.30 inHg
Wind7.2 mph E
Humidity87%
Visibility—
Dew point46°
Tue, 2766° / 53°0Overcast
MorningOvercast56°feels 55°
AfternoonOvercast64°feels 62°
EveningOvercast61°feels 59°
OvernightOvercast58°feels 56°
66 °Overcast

Ontario, Tuesday, 27 October

Overcast. High 66°, low 53°.

Pressure30.24 inHg
Wind8.1 mph SE
Humidity54%
Visibility—
Dew point46°

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, IL 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.