Current Weather
2:40 AM
72°F
Clear
RealFeel® 75°
Pleasant
RealFeel®
75°
Wind
N 1 mph
Wind Gusts
2 mph
Humidity
81%
Indoor Humidity
81% (Humid)
Dew Point
66° F
Pressure
↔ 29.96 in
Cloud Cover
6%
Visibility
10 mi
Cloud Ceiling
40000 ft
Day
8/27
85°Hi
RealFeel®
90°
Hot
RealFeel Shade™
83°
Very Warm
Abundant sunshine
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindN 8 mph
Wind Gusts15 mph
Probability of Precipitation2%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover8%
Night
8/27
62°Lo
RealFeel®
63°
Pleasant
Clear; good viewing conditions for the lunar eclipse
WindNNE 5 mph
Wind Gusts7 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover3%
Sun & Moon
13 hrs 14 mins
Rise
6:24 AM
Set
7:38 PM
Full Moon
Rise
7:28 PM
Set
6:49 AM
Temperature History
8/27High
Low
Forecast
85°
62°
Average
89°
64°
Last Year
80°
49°
Record
99°
1983
49°
2025
Current Weather Conditions in Collinsville
Collinsville, Illinois is currently Clear with a temperature of 72°. The current RealFeel® Temperature is 75° (Pleasant) based on observed conditions including 81% humidity, 6% cloud cover, a UV index of 0, and winds of 1 mph. In shade, the RealFeel Shade™ is 75°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Collinsville, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
