As of 09:24 EDT

Weather in Collinsville, OH

55°Current weather

Collinsville, Thursday, 29 October, 09:24

Partly cloudy. Feels like 54°. High 77°, low 50°.

Pressure30.21 inHg
Wind1 mph S
Humidity85%
Visibility6.2 mi
Dew point50°
Fri, 3070° / 47°0Partly cloudy
70 °Partly cloudy

Collinsville, Friday, 30 October

Partly cloudy. High 70°, low 47°.

Pressure30.33 inHg
Wind4.3 mph NE
Humidity54%
Visibility6.2 mi
Dew point45°
Sat, 3163° / 45°0Overcast
63 °Overcast

Collinsville, Saturday, 31 October

Overcast. High 63°, low 45°.

Pressure30.39 inHg
Wind9.7 mph E
Humidity50%
Visibility6.2 mi
Dew point41°
Sun, 0173° / 54°0Overcast
73 °Overcast

Collinsville, Sunday, 1 November

Overcast. High 73°, low 54°.

Pressure30.36 inHg
Wind4.1 mph SE
Humidity45%
Visibility6.2 mi
Dew point44°
Mon, 0265° / 56°0Overcast
65 °Overcast

Collinsville, Monday, 2 November

Overcast. High 65°, low 56°.

Pressure30.21 inHg
Wind11.1 mph S
Humidity54%
Visibility—
Dew point47°
Tue, 0373° / 55°0.02Light rain
73 °Light rain

Collinsville, Tuesday, 3 November

Light rain. High 73°, low 55°.

Pressure30.06 inHg
Wind11.9 mph S
Humidity41%
Visibility—
Dew point45°
Wed, 0471° / 60°1.21Heavy rain
71 °Heavy rain

Collinsville, Wednesday, 4 November

Heavy rain. High 71°, low 60°.

Pressure29.83 inHg
Wind20.1 mph S
Humidity65%
Visibility—
Dew point54°
Thu, 0561° / 42°0.28Rain
61 °Rain

Collinsville, Thursday, 5 November

Rain. High 61°, low 42°.

Pressure29.83 inHg
Wind14.6 mph W
Humidity71%
Visibility—
Dew point44°
Fri, 0657° / 38°0Clear
57 °Clear

Collinsville, Friday, 6 November

Clear. High 57°, low 38°.

Pressure30.00 inHg
Wind12.6 mph W
Humidity46%
Visibility—
Dew point34°
Sat, 0756° / 38°0Clear
56 °Clear

Collinsville, Saturday, 7 November

Clear. High 56°, low 38°.

Pressure30.18 inHg
Wind4.8 mph E
Humidity32%
Visibility—
Dew point24°
Sun, 0859° / 42°0Overcast
59 °Overcast

Collinsville, Sunday, 8 November

Overcast. High 59°, low 42°.

Pressure30.21 inHg
Wind7.2 mph SE
Humidity37%
Visibility—
Dew point30°
Mon, 0953° / 44°0.65Rain
53 °Rain

Collinsville, Monday, 9 November

Rain. High 53°, low 44°.

Pressure30.00 inHg
Wind13.3 mph SE
Humidity82%
Visibility—
Dew point46°
Tue, 1058° / 53°0.42Rain
58 °Rain

Collinsville, Tuesday, 10 November

Rain. High 58°, low 53°.

Pressure29.94 inHg
Wind9 mph SE
Humidity84%
Visibility—
Dew point52°
Wed, 1157° / 51°0Overcast
57 °Overcast

Collinsville, Wednesday, 11 November

Overcast. High 57°, low 51°.

Pressure30.12 inHg
Wind5.5 mph N
Humidity71%
Visibility—
Dew point47°
Thu, 1263° / 49°0Overcast
63 °Overcast

Collinsville, Thursday, 12 November

Overcast. High 63°, low 49°.

Pressure29.94 inHg
Wind14.1 mph SW
Humidity60%
Visibility—
Dew point47°
Fri, 1367° / 51°0Overcast
67 °Overcast

Collinsville, Friday, 13 November

Overcast. High 67°, low 51°.

Pressure29.88 inHg
Wind11.2 mph W
Humidity60%
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.