National Weather Service

News Headlines

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

75°F

24°C

Humidity	79%
Wind Speed	Calm
Barometer	29.94 in (1013.7 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	18 Jun 8:56 am EDT

More Information:

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

Extended Forecast for

2 Miles SE Hummelstown PA

Today
High: 84 °F
Showers
Likely and
Patchy Dense
Fog
Tonight
Low: 70 °F
Showers
Likely then
Partly Cloudy
Juneteenth
High: 87 °F
Chance
T-storms then
Severe
Thunderstorms
Thursday Night
Low: 63 °F
Severe
Thunderstorms
then Slight
Chance
Showers
Friday
High: 83 °F
Sunny
Friday Night
Low: 63 °F
Partly Cloudy
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Partly Cloudy
Sunday
High: 92 °F
Hot

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 84. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 87. Southwest wind 7 to 14 mph, with gusts as high as 23 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. Some of the storms could be severe. Low around 63. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 83. Northwest wind around 9 mph.

Friday Night

Partly cloudy, with a low around 63.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

Partly cloudy, with a low around 69.

Sunday

Mostly sunny and hot, with a high near 92.

Sunday Night

Mostly clear, with a low around 73.