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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Fog/Mist

43°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 29.85 in (1011.0 mb)
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Last update 21 Mar 7:52 am EDT
Extended Forecast for

Gettysburg PA

  • Today

    Today: Mostly sunny, with a high near 61. North wind 3 to 7 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain between 2pm and 5pm, then a chance of rain and thunderstorms after 5pm. Some of the storms could be severe. Partly sunny, with a high near 78. Southwest wind 7 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Some of the storms could be severe. Low around 44. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Severe
    Thunderstorms
    then Rain

  • Monday

    Monday: Rain, mainly before 8am. High near 52. North wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain then
    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 61. North wind 3 to 7 mph.
Tonight
Mostly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight.
Sunday
A chance of rain between 2pm and 5pm, then a chance of rain and thunderstorms after 5pm. Some of the storms could be severe. Partly sunny, with a high near 78. Southwest wind 7 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Some of the storms could be severe. Low around 44. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain, mainly before 8am. High near 52. North wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 61.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 54. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Gettysburg PA
 39.82°N 77.21°W (Elev. 495 ft)
Last Update:
8:05 am EDT Mar 21, 2026
Forecast Valid:
8am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
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