Tropical Moisture Producing Heavy Rain in Portions of the Western U.S., Southeast Florida, and Puerto Rico and the U.S. Virgin Islands

Heavy rain and flash flooding will continue across portions of California, the Southwest, and parts of the Southern Rockies. Strong to locally severe thunderstorms and heavy rain will impact portions of the Plains and Mississippi Valley. Tropical moisture is causing heavy rainfall in southeast Florida, Puerto Rico and the Virgin Islands, Read More >

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair

61°F

16°C

Humidity	84%
Wind Speed	N 3 mph
Barometer	29.98 in (1015.2 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	19 Sep 4:56 am EDT

More Information:

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

Extended Forecast for

Hummelstown PA

Today
High: 87 °F
Sunny
Tonight
Low: 56 °F
Mostly Clear
Saturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 58 °F
Mostly Cloudy
Sunday
High: 77 °F
Mostly Cloudy
Sunday Night
Low: 59 °F
Mostly Cloudy
Monday
High: 82 °F
Partly Sunny
Monday Night
Low: 63 °F
Mostly Cloudy
Tuesday
High: 85 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the morning.

Tonight

Mostly clear, with a low around 56. Northeast wind around 6 mph.

Saturday

Mostly sunny, with a high near 79. East wind around 6 mph.

Saturday Night

Mostly cloudy, with a low around 58. East wind around 6 mph.

Sunday

Mostly cloudy, with a high near 77. Southeast wind 6 to 8 mph.

Sunday Night

Mostly cloudy, with a low around 59.

Monday

Partly sunny, with a high near 82.

Monday Night

Mostly cloudy, with a low around 63.

Tuesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Wednesday

A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

Thursday

Partly sunny, with a high near 77.