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.

Mostly Cloudy

89°F

32°C

Humidity 61%
Wind Speed SW 9 G 16 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Jul 12:56 pm EDT
Extended Forecast for

Manchester PA

Heat Advisory until July 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 17, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 70. West wind 5 to 9 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. North wind around 7 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 92. West wind around 14 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 70. West wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 83. North wind around 7 mph.
Friday Night
Partly cloudy, with a low around 68. Calm wind.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Manchester PA
 40.06°N 76.73°W (Elev. 443 ft)
Last Update:
12:57 pm EDT Jul 17, 2025
Forecast Valid:
1pm EDT Jul 17, 2025-6pm EDT Jul 23, 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