Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

73°F

23°C

Humidity 81%
Wind Speed N 8 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 3:53 am EDT
Extended Forecast for

Keedysville MD

  • Today

    Today: Mostly cloudy, with a high near 79. Northeast wind around 9 mph.

    High: 79 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. East wind 5 to 7 mph.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers.  Patchy fog between 9am and 10am.  Otherwise, mostly cloudy, with a high near 77. East wind around 6 mph.  Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am.  Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph.  Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 5pm.  Mostly cloudy, with a high near 83. Southeast wind around 6 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 79. Northeast wind around 9 mph.
Tonight
Mostly cloudy, with a low around 65. East wind 5 to 7 mph.
Tuesday
A slight chance of showers. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a high near 77. East wind around 6 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 83. Southeast wind around 6 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Keedysville MD
 39.49°N 77.7°W (Elev. 449 ft)
4:29 am EDT Aug 18, 2025
4am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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