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As of 06:46 EDT

Weather in Ontario, IN

41°Current weather

Ontario, Tuesday, 20 October, 06:46

Mostly clear. Feels like 41°. High 69°, low 40°.

Pressure30.39 inHg
Wind2.3 mph E
Humidity93%
Visibility6.2 mi
Dew point39°
Wed, 2168° / 40°0Clear
68 °Clear

Ontario, Wednesday, 21 October

Clear. High 68°, low 40°.

Pressure30.30 inHg
Wind2.7 mph SW
Humidity72%
Visibility6.2 mi
Dew point51°
Thu, 2267° / 44°0Clear
67 °Clear

Ontario, Thursday, 22 October

Clear. High 67°, low 44°.

Pressure30.30 inHg
Wind3.5 mph NE
Humidity65%
Visibility6.2 mi
Dew point50°
Fri, 2360° / 42°0Clear
60 °Clear

Ontario, Friday, 23 October

Clear. High 60°, low 42°.

Pressure30.42 inHg
Wind4.6 mph SE
Humidity67%
Visibility6.2 mi
Dew point44°
Sat, 2462° / 41°0Clear
62 °Clear

Ontario, Saturday, 24 October

Clear. High 62°, low 41°.

Pressure30.45 inHg
Wind7.2 mph SE
Humidity43%
Visibility—
Dew point36°
Sun, 2567° / 45°0Overcast
67 °Overcast

Ontario, Sunday, 25 October

Overcast. High 67°, low 45°.

Pressure30.42 inHg
Wind7.1 mph SW
Humidity55%
Visibility—
Dew point46°
Mon, 2671° / 56°0Overcast
71 °Overcast

Ontario, Monday, 26 October

Overcast. High 71°, low 56°.

Pressure30.12 inHg
Wind17.6 mph SW
Humidity36%
Visibility—
Dew point41°
Tue, 2752° / 41°0Light snow
52 °Light snow

Ontario, Tuesday, 27 October

Light snow. High 52°, low 41°.

Pressure30.27 inHg
Wind17.8 mph NW
Humidity47%
Visibility—
Dew point28°
Wed, 2842° / 28°0Overcast
42 °Overcast

Ontario, Wednesday, 28 October

Overcast. High 42°, low 28°.

Pressure30.42 inHg
Wind15.2 mph W
Humidity44%
Visibility—
Dew point19°
Thu, 2950° / 28°0Clear
50 °Clear

Ontario, Thursday, 29 October

Clear. High 50°, low 28°.

Pressure30.12 inHg
Wind17.5 mph W
Humidity27%
Visibility—
Dew point14°
Fri, 3050° / 43°0Overcast
50 °Overcast

Ontario, Friday, 30 October

Overcast. High 50°, low 43°.

Pressure30.03 inHg
Wind11.4 mph SW
Humidity59%
Visibility—
Dew point35°
Sat, 3156° / 38°0Overcast
56 °Overcast

Ontario, Saturday, 31 October

Overcast. High 56°, low 38°.

Pressure30.06 inHg
Wind14.7 mph NW
Humidity45%
Visibility—
Dew point33°
Sun, 0150° / 32°0Partly cloudy
50 °Partly cloudy

Ontario, Sunday, 1 November

Partly cloudy. High 50°, low 32°.

Pressure30.30 inHg
Wind6.2 mph NE
Humidity39%
Visibility—
Dew point23°
Mon, 0251° / 30°0Partly cloudy
51 °Partly cloudy

Ontario, Monday, 2 November

Partly cloudy. High 51°, low 30°.

Pressure30.24 inHg
Wind6.4 mph NE
Humidity30%
Visibility—
Dew point17°
Tue, 0354° / 32°0Clear
54 °Clear

Ontario, Tuesday, 3 November

Clear. High 54°, low 32°.

Pressure30.15 inHg
Wind4.7 mph E
Humidity26%
Visibility—
Dew point17°
Wed, 0455° / 34°0Clear
55 °Clear

Ontario, Wednesday, 4 November

Clear. High 55°, low 34°.

Pressure30.03 inHg
Wind10.1 mph W
Humidity31%
Visibility—
Dew point22°

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.