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As of 17:27 EDT

Weather in Collinsville, OH

68°Current weather

Collinsville, Friday, 23 October, 17:27

Clear. Feels like 67°. High 69°, low 42°.

Pressure30.27 inHg
Wind8.1 mph NE
Humidity57%
Visibility6.2 mi
Dew point51°
Sat, 2470° / 43°0Overcast
70 °Overcast

Collinsville, Saturday, 24 October

Overcast. High 70°, low 43°.

Pressure30.45 inHg
Wind4.4 mph SE
Humidity53%
Visibility6.2 mi
Dew point45°
Sun, 2569° / 42°0Clear
69 °Clear

Collinsville, Sunday, 25 October

Clear. High 69°, low 42°.

Pressure30.47 inHg
Wind3.2 mph SE
Humidity57%
Visibility6.2 mi
Dew point47°
Mon, 2671° / 47°0Overcast
71 °Overcast

Collinsville, Monday, 26 October

Overcast. High 71°, low 47°.

Pressure30.36 inHg
Wind1.9 mph SW
Humidity48%
Visibility6.2 mi
Dew point46°
Tue, 2767° / 49°0Overcast
67 °Overcast

Collinsville, Tuesday, 27 October

Overcast. High 67°, low 49°.

Pressure30.33 inHg
Wind6.4 mph E
Humidity65%
Visibility6.2 mi
Dew point49°
Wed, 2872° / 51°0Clear
72 °Clear

Collinsville, Wednesday, 28 October

Clear. High 72°, low 51°.

Pressure30.21 inHg
Wind8 mph SW
Humidity47%
Visibility—
Dew point46°
Thu, 2976° / 57°0Partly cloudy
76 °Partly cloudy

Collinsville, Thursday, 29 October

Partly cloudy. High 76°, low 57°.

Pressure30.21 inHg
Wind10.7 mph SW
Humidity35%
Visibility—
Dew point44°
Fri, 3069° / 53°0Overcast
69 °Overcast

Collinsville, Friday, 30 October

Overcast. High 69°, low 53°.

Pressure30.18 inHg
Wind7 mph SW
Humidity41%
Visibility—
Dew point43°
Sat, 3168° / 58°0Overcast
68 °Overcast

Collinsville, Saturday, 31 October

Overcast. High 68°, low 58°.

Pressure30.18 inHg
Wind6.8 mph SW
Humidity47%
Visibility—
Dew point46°
Sun, 0160° / 56°0.11Light rain
60 °Light rain

Collinsville, Sunday, 1 November

Light rain. High 60°, low 56°.

Pressure30.21 inHg
Wind10.7 mph SW
Humidity79%
Visibility—
Dew point53°
Mon, 0259° / 56°0.34Light rain
59 °Light rain

Collinsville, Monday, 2 November

Light rain. High 59°, low 56°.

Pressure30.24 inHg
Wind11.2 mph SE
Humidity92%
Visibility—
Dew point55°
Tue, 0375° / 58°0.18Rain
75 °Rain

Collinsville, Tuesday, 3 November

Rain. High 75°, low 58°.

Pressure29.97 inHg
Wind19.5 mph SW
Humidity57%
Visibility—
Dew point57°
Wed, 0455° / 43°0.09Light rain
55 °Light rain

Collinsville, Wednesday, 4 November

Light rain. High 55°, low 43°.

Pressure30.30 inHg
Wind17.3 mph NW
Humidity45%
Visibility—
Dew point32°
Thu, 0560° / 39°0Clear
60 °Clear

Collinsville, Thursday, 5 November

Clear. High 60°, low 39°.

Pressure30.15 inHg
Wind17.3 mph W
Humidity28%
Visibility—
Dew point24°
Fri, 0665° / 43°0Clear
65 °Clear

Collinsville, Friday, 6 November

Clear. High 65°, low 43°.

Pressure30.00 inHg
Wind11.9 mph W
Humidity39%
Visibility—
Dew point36°
Sat, 0767° / 48°0Overcast
67 °Overcast

Collinsville, Saturday, 7 November

Overcast. High 67°, low 48°.

Pressure30.06 inHg
Wind6.6 mph S
Humidity35%
Visibility—
Dew point35°

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 Collinsville, OH 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 Collinsville, OH 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.