Briefing for Impacts from Hurricane Erin through Friday

Hurricane Erin is expected to bring several coastal and marine hazards to the coasts of New Jersey and Delaware through Friday. Widespread coastal flooding, high surf, high risk of rip currents, beach erosion, and dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Light Drizzle

63°F

17°C

Humidity	100%
Wind Speed	E 7 mph
Barometer	30.06 in
Dewpoint	63°F (17°C)
Visibility	1.00 mi
Last update	20 Aug 7:55 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Coatesville PA

Today
High: 77 °F
Slight Chance
Showers then
Showers
Likely
Tonight
Low: 62 °F
Showers
Likely then
Chance
Showers
Thursday
High: 73 °F
Slight Chance
Showers
Thursday Night
Low: 58 °F
Partly Cloudy
Friday
High: 80 °F
Sunny
Friday Night
Low: 57 °F
Mostly Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 64 °F
Partly Cloudy
Sunday
High: 80 °F
Chance
Showers

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 77. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 4am. Mostly cloudy, with a low around 62. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers between 8am and 2pm. Mostly cloudy, with a high near 73. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Thursday Night

Partly cloudy, with a low around 58. North wind around 10 mph, with gusts as high as 20 mph.

Friday

Sunny, with a high near 80. North wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 57.

Saturday

Sunny, with a high near 81.

Saturday Night

Partly cloudy, with a low around 64.

Sunday

A chance of showers after 8am. Partly sunny, with a high near 80. Chance of precipitation is 50%.

Sunday Night

Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Monday

A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.

Monday Night

A chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 30%.

Tuesday

Sunny, with a high near 75.