Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory in effect from June 28, 02:00 AM EDT until June 28, 07:00 AM EDT
Heat Advisory in effect from June 28, 12:00 PM EDT until June 28, 08:00 PM EDT

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Overcast

63°F

17°C

Humidity	88%
Wind Speed	Calm
Barometer	30.18 in
Dewpoint	59°F (15°C)
Visibility	7.00 mi
Last update	28 Jun 1:15 am EDT

More Information:

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

Extended Forecast for

Newtown Square PA

Heat Advisory June 28, 12:00pm until June 28, 08:00pm

Coastal Flood Advisory June 28, 02:00am until June 28, 07:00am

Click here for hazard details and duration

Heat Advisory

Coastal Flood Advisory

Overnight
Low: 66 °F
Chance
Showers and
Patchy Fog
Saturday
High: 87 °F
Chance
Showers and
Patchy Fog
then Chance
T-storms
Saturday Night
Low: 70 °F
T-storms
Likely then
Chance
Showers
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Mostly Clear
Monday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 73 °F
Chance
T-storms
Tuesday
High: 85 °F
Chance
Showers then
Showers
Tuesday Night
Low: 69 °F
Showers then
Chance
Showers

Detailed Forecast

Overnight

A chance of showers and thunderstorms before 4am, then a slight chance of thunderstorms after 4am. Patchy fog. Otherwise, cloudy, with a low around 66. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers, with thunderstorms also possible after 3pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly sunny, with a high near 87. Northwest wind around 5 mph.

Sunday Night

Mostly clear, with a low around 69. Calm wind.

Monday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

Tuesday

A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.

Tuesday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 69. Chance of precipitation is 80%.

Wednesday

Sunny, with a high near 86.

Wednesday Night

Mostly clear, with a low around 68.

Thursday

Mostly sunny, with a high near 87.