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As of 01:30 CDT

Weather in Ontario, IL

45°Current weather

Ontario, Monday, 19 October, 01:30

Clear. Feels like 44°. High 67°, low 41°.

Pressure30.36 inHg
Wind3.4 mph S
Humidity82%
Visibility6.2 mi
Dew point40°

10-day forecast for Ontario, IL: 41° to 71°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

71°
Best day: Saturday, October 24
56° · 0.28 in
Worst day: Wednesday, October 28

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

Tue, 2067° / 43°0Clear
MorningOvercast47°feels 45°
AfternoonClear67°feels 65°
EveningClear54°feels 53°
OvernightOvercast47°feels 46°
67 °Clear

Ontario, Tuesday, 20 October

Clear. High 67°, low 43°.

Pressure30.36 inHg
Wind5.4 mph SE
Humidity44%
Visibility6.2 mi
Dew point43°
Wed, 2169° / 46°0Clear
MorningClear47°feels 47°
AfternoonClear69°feels 68°
EveningClear59°feels 58°
OvernightClear48°feels 47°
69 °Clear

Ontario, Wednesday, 21 October

Clear. High 69°, low 46°.

Pressure30.30 inHg
Wind3.1 mph SW
Humidity51%
Visibility6.2 mi
Dew point48°
Thu, 2270° / 50°0Clear
MorningClear54°feels 53°
AfternoonMostly clear70°feels 69°
EveningClear58°feels 57°
OvernightClear52°feels 51°
70 °Clear

Ontario, Thursday, 22 October

Clear. High 70°, low 50°.

Pressure30.33 inHg
Wind2.6 mph E
Humidity56%
Visibility6.2 mi
Dew point51°
Fri, 2366° / 49°0Clear
MorningClear54°feels 52°
AfternoonClear65°feels 64°
EveningClear57°feels 56°
OvernightClear54°feels 52°
66 °Clear

Ontario, Friday, 23 October

Clear. High 66°, low 49°.

Pressure30.33 inHg
Wind7.8 mph SE
Humidity50%
Visibility—
Dew point45°
Sat, 2471° / 49°0Overcast
MorningOvercast54°feels 52°
AfternoonOvercast67°feels 65°
EveningOvercast64°feels 62°
OvernightOvercast62°feels 60°
71 °Overcast

Ontario, Saturday, 24 October

Overcast. High 71°, low 49°.

Pressure30.33 inHg
Wind11.4 mph S
Humidity48%
Visibility—
Dew point44°
Sun, 2562° / 50°0.02Light rain
MorningLight rain53°feels 52°
AfternoonLight rain60°feels 57°
EveningLight rain53°feels 50°
OvernightLight rain51°feels 48°
62 °Light rain

Ontario, Sunday, 25 October

Light rain. High 62°, low 50°.

Pressure30.33 inHg
Wind14.4 mph NW
Humidity31%
Visibility—
Dew point29°
Mon, 2665° / 46°0.02Light rain
MorningLight rain50°feels 47°
AfternoonLight rain61°feels 59°
EveningLight rain58°feels 56°
OvernightLight rain55°feels 53°
65 °Light rain

Ontario, Monday, 26 October

Light rain. High 65°, low 46°.

Pressure30.15 inHg
Wind17.5 mph S
Humidity43%
Visibility—
Dew point37°
Tue, 2760° / 52°0.07Light rain
MorningLight rain55°feels 54°
AfternoonLight rain55°feels 54°
EveningLight rain52°feels 51°
OvernightLight rain53°feels 52°
60 °Light rain

Ontario, Tuesday, 27 October

Light rain. High 60°, low 52°.

Pressure30.15 inHg
Wind10.2 mph NE
Humidity76%
Visibility—
Dew point48°
Wed, 2856° / 52°0.28Light rain
MorningLight rain55°feels 54°
AfternoonLight rain56°feels 56°
EveningLight rain54°feels 54°
OvernightLight rain54°feels 53°
56 °Light rain

Ontario, Wednesday, 28 October

Light rain. High 56°, low 52°.

Pressure30.15 inHg
Wind9.5 mph SE
Humidity85%
Visibility—
Dew point52°

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.