Chester County, PA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

31°F
Feels Like 30°F  
Humidity 60% Dew Point 19°F Wind WSW 2 MPH Gusts 4 Barometer 29.24 in.
Report from a personal weather station 1.6 mi. WSW of central Chester County
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Point Forecast at a Glance

ThuDec 11
Thu Dec 11: Partly Sunny, High 33F, Low 23F
33
23
FriDec 12
Fri Dec 12: Partly Sunny, High 34F, Low 23F
34
23
SatDec 13
Sat Dec 13: Mostly Cloudy, High 39F, Low 23F
39
23
SunDec 14
Sun Dec 14: Snow, High 28F, Low 16F
40%
28
16
MonDec 15
Mon Dec 15: Mostly Sunny, High 28F, Low 17F
28
17
TueDec 16
Tue Dec 16: Mostly Sunny, High 32F, Low 20F
32
20
WedDec 17
Wed Dec 17: Partly Sunny, High 39F
39
 

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 28°F to 39°F. Some snow possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 11°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

1988 - Arctic cold invaded the central and eastern U.S. Sault Ste Marie MI reported a record low of 14 degrees below zero, and International Falls MN was the cold spot in the nation with a low of 25 degrees below zero. Temperatures remained below zero all day over parts of eastern Upper Michigan and northern New England.

More on this and other weather history

Chester County, PA 7 Day Weather Forecast Details

Thursday Dec 11

Partly Sunny

Day: Partly sunny, with a high near 33. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

Mostly Clear

Night: Mostly clear, with a low around 23. West wind 10 to 15 mph, with gusts as high as 30 mph.

Friday Dec 12

Partly Sunny

Day: Partly sunny, with a high near 34. West wind 5 to 10 mph.

Snow

Night: A slight chance of snow after 1am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.

Saturday Dec 13

Mostly Cloudy

Day: Mostly cloudy, with a high near 39. Light southwest wind becoming west 5 to 10 mph in the morning.

Snow

Night: Snow likely, mainly after 1am. Cloudy, with a low around 23. Chance of precipitation is 70%.

Sunday Dec 14

Snow

Day: A chance of snow before 1pm. Partly sunny, with a high near 28. Chance of precipitation is 40%.

Partly Cloudy

Night: Partly cloudy, with a low around 16.

Monday Dec 15

Mostly Sunny

Day: Mostly sunny, with a high near 28.

Mostly Cloudy

Night: Mostly cloudy, with a low around 17.

Tuesday Dec 16

Mostly Sunny

Day: Mostly sunny, with a high near 32.

Partly Cloudy

Night: Partly cloudy, with a low around 20.

Wednesday Dec 17

Partly Sunny

Day: Partly sunny, with a high near 39.


About Chester County, PA

Chester County, 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.

How We Provide Better Local Weather

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.