Dangerous Heat and Humidity Today through Saturday

Dangerously hot and humid conditions are expected to build starting today through Saturday. Additionally, there will be a threat of thunderstorms on some of the days. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

73°F

23°C

Humidity	82%
Wind Speed	SW 7 mph
Barometer	30.03 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	1 Jul 6:15 am EDT

More Information:

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

Extended Forecast for

Horsham PA

Extreme Heat Warning July 1, 12:00pm until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Today
High: 97 °F
Sunny then
Isolated
T-storms
Tonight
Low: 76 °F
Isolated
T-storms then
Mostly Clear
Thursday
High: 103 °F
Hot
Thursday Night
Low: 80 °F
Clear
Friday
High: 103 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 78 °F
Slight Chance
T-storms
Independence Day
High: 100 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 75 °F
Chance
T-storms
Sunday
High: 95 °F
Mostly Sunny
then Showers
Likely

Detailed Forecast

Today

Isolated showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

Tonight

Isolated showers and thunderstorms before 10pm. Mostly clear, with a low around 76. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday

Sunny and hot, with a high near 103. Heat index values as high as 110. West wind 5 to 10 mph.

Thursday Night

Clear, with a low around 80. West wind around 5 mph.

Friday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 103. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78. Chance of precipitation is 20%.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Monday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.