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As of 04:32 EDT

Weather in Ontario, IN

36°Current weather

Ontario, Sunday, 18 October, 04:32

Clear. Feels like 32°. High 61°, low 36°.

Pressure30.47 inHg
Wind4.6 mph S
Humidity87%
Visibility6.2 mi
Dew point32°
Mon, 1960° / 41°0Clear
60 °Clear

Ontario, Monday, 19 October

Clear. High 60°, low 41°.

Pressure30.45 inHg
Wind3.6 mph SW
Humidity55%
Visibility6.2 mi
Dew point42°
Tue, 2065° / 41°0Clear
65 °Clear

Ontario, Tuesday, 20 October

Clear. High 65°, low 41°.

Pressure30.42 inHg
Wind3.4 mph E
Humidity56%
Visibility6.2 mi
Dew point45°
Wed, 2164° / 43°0Clear
64 °Clear

Ontario, Wednesday, 21 October

Clear. High 64°, low 43°.

Pressure30.33 inHg
Wind2.6 mph S
Humidity68%
Visibility6.2 mi
Dew point49°
Thu, 2265° / 44°0Clear
65 °Clear

Ontario, Thursday, 22 October

Clear. High 65°, low 44°.

Pressure30.27 inHg
Wind6.8 mph NE
Humidity58%
Visibility—
Dew point47°
Fri, 2358° / 41°0Clear
58 °Clear

Ontario, Friday, 23 October

Clear. High 58°, low 41°.

Pressure30.42 inHg
Wind9 mph SE
Humidity48%
Visibility—
Dew point35°
Sat, 2467° / 50°0Overcast
67 °Overcast

Ontario, Saturday, 24 October

Overcast. High 67°, low 50°.

Pressure30.30 inHg
Wind12.7 mph S
Humidity48%
Visibility—
Dew point45°
Sun, 2559° / 42°0.01Light rain
59 °Light rain

Ontario, Sunday, 25 October

Light rain. High 59°, low 42°.

Pressure30.36 inHg
Wind15.9 mph NW
Humidity49%
Visibility—
Dew point36°
Mon, 2655° / 38°0Mostly clear
55 °Mostly clear

Ontario, Monday, 26 October

Mostly clear. High 55°, low 38°.

Pressure30.36 inHg
Wind7.9 mph SW
Humidity35%
Visibility—
Dew point25°
Tue, 2752° / 46°0.01Light rain
52 °Light rain

Ontario, Tuesday, 27 October

Light rain. High 52°, low 46°.

Pressure30.21 inHg
Wind12.1 mph SW
Humidity89%
Visibility—
Dew point47°
Wed, 2868° / 49°0Overcast
68 °Overcast

Ontario, Wednesday, 28 October

Overcast. High 68°, low 49°.

Pressure30.00 inHg
Wind12.1 mph S
Humidity50%
Visibility—
Dew point45°
Thu, 2965° / 55°0Overcast
65 °Overcast

Ontario, Thursday, 29 October

Overcast. High 65°, low 55°.

Pressure29.80 inHg
Wind12.4 mph SW
Humidity61%
Visibility—
Dew point50°
Fri, 3068° / 51°0Clear
68 °Clear

Ontario, Friday, 30 October

Clear. High 68°, low 51°.

Pressure29.80 inHg
Wind13.6 mph SW
Humidity57%
Visibility—
Dew point50°
Sat, 3170° / 56°0.04Light rain
70 °Light rain

Ontario, Saturday, 31 October

Light rain. High 70°, low 56°.

Pressure29.77 inHg
Wind16.8 mph SW
Humidity71%
Visibility—
Dew point57°
Sun, 0176° / 62°0Overcast
76 °Overcast

Ontario, Sunday, 1 November

Overcast. High 76°, low 62°.

Pressure29.91 inHg
Wind16.9 mph SW
Humidity57%
Visibility—
Dew point57°
Mon, 0266° / 54°0Clear
66 °Clear

Ontario, Monday, 2 November

Clear. High 66°, low 54°.

Pressure30.21 inHg
Wind11.7 mph N
Humidity34%
Visibility—
Dew point36°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Ontario, IN are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Ontario, IN since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.