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

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

64°F

18°C

Humidity 98%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 64°F (18°C)
Visibility NA
Last update 26 Jul 12:35 am EDT
Extended Forecast for

Callaway MD

  • Overnight

    Overnight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 67. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. South wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 84. Calm wind becoming northeast around 6 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 67. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. South wind 5 to 7 mph. Chance of precipitation is 40%.
Tuesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 70. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Callaway MD
 38.23°N 76.51°W (Elev. 59 ft)
Last Update:
10:53 pm EDT Jul 25, 2026
Forecast Valid:
12am EDT Jul 26, 2026-6pm EDT Aug 1, 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