Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

66°F

19°C

Humidity	96%
Wind Speed	N 3 mph
Barometer	30.06 in
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	8 Jul 3:15 am EDT

More Information:

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

Extended Forecast for

Coatesville PA

Overnight
Low: 64 °F
Patchy Fog
Wednesday
High: 81 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 68 °F
Partly Cloudy
Thursday
High: 81 °F
Showers
Thursday Night
Low: 69 °F
Showers then
Slight Chance
Showers
Friday
High: 85 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely then
Mostly Cloudy
Saturday
High: 82 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 62 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 5 mph.

Wednesday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Northeast wind around 5 mph becoming south in the afternoon.

Wednesday Night

Partly cloudy, with a low around 68. Calm wind.

Thursday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 81. Southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 69. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 82.

Sunday Night

Partly cloudy, with a low around 64.

Monday

Mostly sunny, with a high near 85.