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As of 20:13 EDT

Weather in Collinsville, OH

57°Current weather

Collinsville, Wednesday, 21 October, 20:13

Clear. Feels like 55°. High 72°, low 41°.

Pressure30.18 inHg
Wind4.6 mph NE
Humidity73%
Visibility6.2 mi
Dew point47°
Thu, 2271° / 43°0Clear
71 °Clear

Collinsville, Thursday, 22 October

Clear. High 71°, low 43°.

Pressure30.27 inHg
Wind6.4 mph NE
Humidity54%
Visibility6.2 mi
Dew point47°
Fri, 2367° / 43°0Clear
67 °Clear

Collinsville, Friday, 23 October

Clear. High 67°, low 43°.

Pressure30.36 inHg
Wind6.9 mph E
Humidity54%
Visibility6.2 mi
Dew point45°
Sat, 2467° / 46°0Clear
67 °Clear

Collinsville, Saturday, 24 October

Clear. High 67°, low 46°.

Pressure30.45 inHg
Wind4.4 mph E
Humidity55%
Visibility6.2 mi
Dew point45°
Sun, 2568° / 45°0Clear
68 °Clear

Collinsville, Sunday, 25 October

Clear. High 68°, low 45°.

Pressure30.45 inHg
Wind3.9 mph SE
Humidity61%
Visibility6.2 mi
Dew point47°
Mon, 2667° / 45°0Overcast
67 °Overcast

Collinsville, Monday, 26 October

Overcast. High 67°, low 45°.

Pressure30.33 inHg
Wind3.8 mph E
Humidity41%
Visibility—
Dew point40°
Tue, 2765° / 49°0Overcast
65 °Overcast

Collinsville, Tuesday, 27 October

Overcast. High 65°, low 49°.

Pressure30.24 inHg
Wind4.9 mph S
Humidity56%
Visibility—
Dew point46°
Wed, 2869° / 52°0.05Light rain
69 °Light rain

Collinsville, Wednesday, 28 October

Light rain. High 69°, low 52°.

Pressure30.06 inHg
Wind17.4 mph W
Humidity51%
Visibility—
Dew point45°
Thu, 2954° / 39°0Overcast
54 °Overcast

Collinsville, Thursday, 29 October

Overcast. High 54°, low 39°.

Pressure30.18 inHg
Wind18 mph W
Humidity45%
Visibility—
Dew point32°
Fri, 3055° / 33°0Overcast
55 °Overcast

Collinsville, Friday, 30 October

Overcast. High 55°, low 33°.

Pressure30.24 inHg
Wind6.4 mph SW
Humidity35%
Visibility—
Dew point24°
Sat, 3165° / 39°0Clear
65 °Clear

Collinsville, Saturday, 31 October

Clear. High 65°, low 39°.

Pressure30.18 inHg
Wind10.3 mph S
Humidity27%
Visibility—
Dew point25°
Sun, 0164° / 49°0.07Light rain
64 °Light rain

Collinsville, Sunday, 1 November

Light rain. High 64°, low 49°.

Pressure30.30 inHg
Wind7.4 mph E
Humidity40%
Visibility—
Dew point37°
Mon, 0264° / 53°1.37Heavy rain
64 °Heavy rain

Collinsville, Monday, 2 November

Heavy rain. High 64°, low 53°.

Pressure30.00 inHg
Wind14.9 mph S
Humidity96%
Visibility—
Dew point59°
Tue, 0368° / 60°1.15Heavy rain
68 °Heavy rain

Collinsville, Tuesday, 3 November

Heavy rain. High 68°, low 60°.

Pressure29.85 inHg
Wind14.3 mph SW
Humidity80%
Visibility—
Dew point61°
Wed, 0458° / 46°0.08Light rain
58 °Light rain

Collinsville, Wednesday, 4 November

Light rain. High 58°, low 46°.

Pressure30.21 inHg
Wind15.4 mph NE
Humidity84%
Visibility—
Dew point44°
Thu, 0557° / 47°0.01Light rain
57 °Light rain

Collinsville, Thursday, 5 November

Light rain. High 57°, low 47°.

Pressure30.00 inHg
Wind7.9 mph NE
Humidity85%
Visibility—
Dew point49°

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.