National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed W 10 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 6:56 am EDT
Extended Forecast for

Harrisburg International Airport PA

Extreme Heat Watch June 22, 11:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Sunny, with a high near 84. West wind around 11 mph, with gusts as high as 22 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. West wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Light west wind increasing to 5 to 9 mph in the morning.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 84. West wind around 11 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 66. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 70. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 95. Light west wind increasing to 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
7:16 am EDT Jun 20, 2025
Forecast Valid:
7am EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation