Current Weather
4:25 PM
81°F
Mostly cloudy
RealFeel® 84°
Very Warm
RealFeel Shade™ 82°
Very Warm
RealFeel®
84°
RealFeel Shade™
82°
Heat Index
83°
Max UV Index
1.3 (Low)
Wind
WNW 3 mph
Wind Gusts
6 mph
Humidity
60%
Indoor Humidity
60% (Humid)
Dew Point
66° F
Pressure
↔ 30.00 in
Cloud Cover
90%
Visibility
18 mi
Cloud Ceiling
20000 ft
Day
8/18
81°Hi
RealFeel®
93°
Hot
RealFeel Shade™
82°
Very Warm
Partly sunny and less humid
Max UV Index7.0 (High)
AccuLumen Brightness Index™6 (Medium)
WindNW 5 mph
Wind Gusts14 mph
Probability of Precipitation1%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover39%
Night
8/18
60°Lo
RealFeel®
61°
Cool
Mainly clear
WindNW 4 mph
Wind Gusts5 mph
Probability of Precipitation3%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover11%
Sun & Moon
13 hrs 41 mins
Rise
6:18 AM
Set
7:59 PM
Waxing Crescent
Rise
12:51 PM
Set
10:39 PM
Temperature History
8/18High
Low
Forecast
81°
60°
Average
83°
58°
Last Year
73°
58°
Current Weather Conditions in St. Clair
St. Clair, Pennsylvania is currently Mostly cloudy with a temperature of 81°. The current RealFeel® Temperature is 84° (Very Warm) based on observed conditions including 60% humidity, 90% cloud cover, a UV index of 1, and winds of 3 mph. In shade, the RealFeel Shade™ is 82°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for St. Clair, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
