Dangerous Heat and Humidity Through Saturday

Dangerously hot and humid conditions are expected to continue through Saturday. Additionally, there will be a threat of thunderstorms through Sunday. View this briefing for details. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until July 4, 08:00 PM EDT

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

74°F

23°C

Humidity	76%
Wind Speed	Calm
Barometer	29.97 in (1014.1 mb)
Dewpoint	66°F (19°C)
Visibility	NA
Last update	4 Jul 5:54 am EDT

More Information:

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

Extended Forecast for

Phoenixville PA

Extreme Heat Warning July 4, 06:41am until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 4, 06:41am until July 4, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Independence Day
High: 99 °F
Sunny then
Heavy Rain
Tonight
Low: 72 °F
Heavy Rain
then Slight
Chance
T-storms
Sunday
High: 89 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 66 °F
T-storms then
Showers
Monday
High: 80 °F
Showers
Monday Night
Low: 64 °F
Showers
Tuesday
High: 82 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 65 °F
Showers
Likely

Detailed Forecast

Independence Day

A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could produce heavy rainfall. Mostly sunny and hot, with a high near 99. Heat index values as high as 104. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 66. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Monday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 80. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Tuesday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Wednesday

Partly sunny, with a high near 85.

Wednesday Night

Partly cloudy, with a low around 67.

Thursday

Partly sunny, with a high near 89.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.