Chester County, PA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Cloudy 29°F
Feels Like 29°F  
Humidity 93% Dew Point 27°F Wind Calm Barometer 29.65 in.
Report from a personal weather station 1.6 mi. WSW of central Chester County
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Point Forecast at a Glance

SunDec 7
Sun Dec 7: Partly Cloudy, Low 22F
 
22
MonDec 8
Mon Dec 8: Partly Sunny, High 29F, Low 13F
29
13
TueDec 9
Tue Dec 9: Increasing Clouds, High 33F, Low 28F
33
28
WedDec 10
Wed Dec 10: Rain, High 45F, Low 31F
40%
45
31
ThuDec 11
Thu Dec 11: Mostly Sunny, High 40F, Low 26F
40
26
FriDec 12
Fri Dec 12: Rain And Snow, High 35F, Low 20F
30%
35
20
SatDec 13
Sat Dec 13: Partly Sunny, High 30F, Low 18F
30
18

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7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 29°F to 45°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 10°F below the historical average for December. Normal highs for this period are around 44°F with lows around 28°F.

This Date in Weather History

1987 - Heavy rain fell across eastern Puerto Rico, with 19.41 inches reported at Las Piedras. Flooding caused five million dollars damage. Another in a series of storms hit the northwestern U.S., with wind gusts above 100 mph reported at Cape Blanco OR. While snow and gusty winds accompanied a cold front crossing the Rockies, strong westerly winds, gusting to 93 mph at Boulder CO, helped temperatures in western Kansas reach the 60s for the sixth day in a row. Freezing drizzle in northeastern slowed traffic to 5 mph on some roads in Morrow County.

More on this and other weather history

Chester County, PA 7 Day Weather Forecast Details

Sunday Dec 7

Partly Cloudy

Night: Partly cloudy, with a low around 22. North wind 5 to 10 mph, with gusts as high as 25 mph.

Monday Dec 8

Partly Sunny

Day: Partly sunny, with a high near 29. North wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Clear

Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. North wind around 5 mph becoming calm.

Tuesday Dec 9

Increasing Clouds

Day: Increasing clouds, with a high near 33. Light and variable wind becoming south 5 to 10 mph in the afternoon.

Mostly Cloudy

Night: Mostly cloudy, with a low around 28. Southwest wind around 5 mph.

Wednesday Dec 10

Rain

Day: A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

Mostly Cloudy

Night: Mostly cloudy, with a low around 31.

Thursday Dec 11

Mostly Sunny

Day: Mostly sunny, with a high near 40.

Rain And Snow

Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

Friday Dec 12

Rain And Snow

Day: A chance of rain and snow before 1pm, then a chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.

Snow

Night: A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

Saturday Dec 13

Partly Sunny

Day: Partly sunny, with a high near 30.

Partly Cloudy

Night: Partly cloudy, with a low around 18.

Sunday Dec 14

Mostly Sunny

Day: Mostly sunny, with a high near 28.


About Chester County, PA

Chester County (Pennsylvania Dutch: Tscheschter Kaundi), colloquially referred to as Chesco, is a county in the Commonwealth of Pennsylvania. It is located in the Delaware Valley region, located in the southeastern part of the state. As of the 2020 census, the population was 545,823. increasing by 7.1% from 498,886 in 2010. The county seat is West Chester. The most populous of the county's 73 municipalities, including cities, boroughs, and townships,) is Tredyffrin Township. The most populous boroughs are West Chester and Phoenixville. Coatesville is the only municipality in the county that is classified as a city. The county is part of the Southeast region of the commonwealth. Chester County was one of the three original Pennsylvania counties created by William Penn in 1682. It was named for Chester, England. It is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan statistical area. Along with northern Delaware County and southern Montgomery County, eastern Chester County is home to many communities that comprise part of the Philadelphia Main Line western suburbs of Philadelphia. As of 2020, the county had the highest median household income level in Pennsylvania, and the 35th-highest in the nation.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.