As of 13:05 EDT

Weather in Collinsville, OH

66°Current weather

Collinsville, Friday, 30 October, 13:05

Clear. Feels like 64°. High 67°, low 48°.

Pressure30.33 inHg
Wind8.1 mph E
Humidity51%
Visibility6.2 mi
Dew point46°
Sat, 3170° / 46°0Overcast
70 °Overcast

Collinsville, Saturday, 31 October

Overcast. High 70°, low 46°.

Pressure30.42 inHg
Wind8.6 mph E
Humidity43%
Visibility6.2 mi
Dew point40°
Sun, 0175° / 51°0Partly cloudy
75 °Partly cloudy

Collinsville, Sunday, 1 November

Partly cloudy. High 75°, low 51°.

Pressure30.39 inHg
Wind6 mph E
Humidity40%
Visibility6.2 mi
Dew point41°
Mon, 0269° / 60°0Overcast
69 °Overcast

Collinsville, Monday, 2 November

Overcast. High 69°, low 60°.

Pressure30.27 inHg
Wind8 mph S
Humidity37%
Visibility6.2 mi
Dew point40°
Tue, 0374° / 59°0Overcast
74 °Overcast

Collinsville, Tuesday, 3 November

Overcast. High 74°, low 59°.

Pressure30.12 inHg
Wind11.6 mph S
Humidity60%
Visibility6.2 mi
Dew point52°
Wed, 0468° / 60°0.39Rain
68 °Rain

Collinsville, Wednesday, 4 November

Rain. High 68°, low 60°.

Pressure29.80 inHg
Wind14.2 mph S
Humidity83%
Visibility—
Dew point59°
Thu, 0561° / 59°0.69Rain
61 °Rain

Collinsville, Thursday, 5 November

Rain. High 61°, low 59°.

Pressure29.56 inHg
Wind10.8 mph N
Humidity96%
Visibility—
Dew point59°
Fri, 0659° / 53°0.15Rain
59 °Rain

Collinsville, Friday, 6 November

Rain. High 59°, low 53°.

Pressure29.74 inHg
Wind14.7 mph N
Humidity88%
Visibility—
Dew point53°
Sat, 0755° / 46°0Overcast
55 °Overcast

Collinsville, Saturday, 7 November

Overcast. High 55°, low 46°.

Pressure30.00 inHg
Wind10.3 mph N
Humidity61%
Visibility—
Dew point41°
Sun, 0850° / 36°0Overcast
50 °Overcast

Collinsville, Sunday, 8 November

Overcast. High 50°, low 36°.

Pressure30.27 inHg
Wind12.7 mph NE
Humidity50%
Visibility—
Dew point30°
Mon, 0953° / 37°0Overcast
53 °Overcast

Collinsville, Monday, 9 November

Overcast. High 53°, low 37°.

Pressure30.12 inHg
Wind8.2 mph NE
Humidity42%
Visibility—
Dew point28°
Tue, 1056° / 43°0.9Rain
56 °Rain

Collinsville, Tuesday, 10 November

Rain. High 56°, low 43°.

Pressure29.74 inHg
Wind14.2 mph N
Humidity95%
Visibility—
Dew point50°
Wed, 1149° / 39°0.02Light rain
49 °Light rain

Collinsville, Wednesday, 11 November

Light rain. High 49°, low 39°.

Pressure29.88 inHg
Wind12.9 mph N
Humidity59%
Visibility—
Dew point35°
Thu, 1250° / 35°0Clear
50 °Clear

Collinsville, Thursday, 12 November

Clear. High 50°, low 35°.

Pressure29.94 inHg
Wind5.5 mph SE
Humidity55%
Visibility—
Dew point32°
Fri, 1354° / 34°0.02Light rain
54 °Light rain

Collinsville, Friday, 13 November

Light rain. High 54°, low 34°.

Pressure29.88 inHg
Wind11.3 mph SE
Humidity57%
Visibility—
Dew point34°
Sat, 1456° / 49°0.59Rain
56 °Rain

Collinsville, Saturday, 14 November

Rain. High 56°, low 49°.

Pressure29.65 inHg
Wind13.8 mph SW
Humidity77%
Visibility—
Dew point48°

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.