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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

49°F

9°C

Humidity 50%
Wind Speed E 7 mph
Barometer 30.41 in (1029.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 12 Apr 1:56 am EDT
Extended Forecast for

2 Miles NNW Shermans Dale PA

Frost Advisory until April 12, 08:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 12, 08:00am

    NOW until 8:00am Sun

    Frost Advisory

  • Overnight

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 53. South wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 76. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Calm wind.
Sunday
Mostly sunny, with a high near 66. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Increasing clouds, with a low around 53. South wind 6 to 8 mph, with gusts as high as 20 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 76. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 84.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Shermans Dale PA
 40.35°N 77.21°W (Elev. 591 ft)
Last Update:
1:57 am EDT Apr 12, 2026
Forecast Valid:
2am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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