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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

59°F

15°C

Humidity 81%
Wind Speed NE 7 mph
Barometer 30.32 in (1027.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 11 Oct 1:53 am EDT
Extended Forecast for

Orrstown PA

  • Overnight

    Overnight: Rain likely, mainly after 3am. Cloudy, with a low around 57. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Rain Likely

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 2pm. Patchy fog. High near 63. Northeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 63 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely and possibly a thunderstorm before 8pm, then a chance of rain and thunderstorms, mainly between 8pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 58. Northeast wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Rain Likely
    and Patchy
    Fog

  • Columbus Day

    Columbus Day: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind 5 to 8 mph.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely, mainly after 3am. Cloudy, with a low around 57. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain, with thunderstorms also possible after 2pm. Patchy fog. High near 63. Northeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Rain likely and possibly a thunderstorm before 8pm, then a chance of rain and thunderstorms, mainly between 8pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 58. Northeast wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Columbus Day
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Northwest wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 54. Calm wind.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Friday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Orrstown PA
 40.06°N 77.6°W (Elev. 682 ft)
Last Update:
2:26 am EDT Oct 11, 2026
Forecast Valid:
2am EDT Oct 11, 2026-6pm EDT Oct 17, 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