West St. Clair, PA weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in West St. Clair now

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West St. Clair weather by the hour

West St. Clair weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of West St. Clair.

This week in West St. Clair

Sunrise, sunset and moon in West St. Clair

What is the weather usually like in West St. Clair?

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Warm-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

14°33°52°70°89°36°19°Jan40°19°Feb48°26°Mar62°36°Apr71°46°May79°55°Jun84°59°Jul83°58°Aug75°50°Sep64°38°Oct51°30°Nov40°23°Dec

Average precipitation (inches)

2.8"Jan2.4"Feb3.3"Mar3.6"Apr4.1"May4.0"Jun3.2"Jul3.4"Aug3.7"Sep3.1"Oct3.0"Nov3.1"Dec

Best time to visit West St. Clair: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SHAWNEE SP, PA US (USC00368011), adjusted for the elevation of West St. Clair.

West St. Clair weather month by month

January
36° 19°F
2.8 in of rain · 6 wet days
February
40° 19°F
2.4 in of rain · 5 wet days
March
48° 26°F
3.3 in of rain · 7 wet days
April
62° 36°F
3.6 in of rain · 8 wet days
May
71° 46°F
4.1 in of rain · 9 wet days
June
79° 55°F
4.0 in of rain · 7 wet days
July
84° 59°F
3.2 in of rain · 7 wet days
August
83° 58°F
3.4 in of rain · 6 wet days
September
75° 50°F
3.7 in of rain · 7 wet days
October
64° 38°F
3.1 in of rain · 5 wet days
November
51° 30°F
3.0 in of rain · 6 wet days
December
40° 23°F
3.1 in of rain · 6 wet days

Sunrise and sunset in West St. Clair through the year

MonthSunriseSunsetDaylight
January7:33 AM5:14 PM9 h 41 min
February7:05 AM5:51 PM10 h 45 min
March7:24 AM7:22 PM11 h 58 min
April6:34 AM7:54 PM13 h 20 min
May5:56 AM8:24 PM14 h 27 min
June5:42 AM8:47 PM15 h 4 min
July5:56 AM8:44 PM14 h 48 min
August6:24 AM8:13 PM13 h 48 min
September6:54 AM7:24 PM12 h 30 min
October7:24 AM6:36 PM11 h 12 min
November6:58 AM4:59 PM10 h 0 min
December7:28 AM4:51 PM9 h 22 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in West St. Clair?

West St. Clair has a warm-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 19°F (-7°C).

It gets about 39.6 inches (1,007 mm) of precipitation a year. The wettest month is May and the driest is February.

The best time to visit West St. Clair is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about West St. Clair

Weather in towns near West St. Clair

Questions about the weather in West St. Clair

What is the hottest month in West St. Clair?

July, with an average high of 84°F (29°C).

What is the coldest month in West St. Clair?

January, with an average low of 19°F (-7°C).

How much does it rain in West St. Clair?

About 39.6 inches (1,007 mm) a year; the wettest month is May.

Does it snow in West St. Clair?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit West St. Clair?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does West St. Clair have?

Warm-summer humid continental (Köppen Dfb).

What is the weather like in West St. Clair in November?

Highs average 51°F and lows 30°F, with about 3.0 inches of precipitation.

What time is sunrise in West St. Clair?

Around 6:58 AM in mid-November, and sunset around 4:59 PM. Today’s exact times are shown above.

Where does this West St. Clair weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of West St. Clair.

All about West St. Clair ›

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