National Weather Service Forecast for: Frederick MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 10:53 am EDT May 26, 2026
 
Today

Today: Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
Mostly Cloudy


 Tonight

Tonight: Scattered showers and thunderstorms, then showers likely after 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Isolated
T-storms then
Showers
Likely and
Patchy Fog
 Wednesday

Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 80. Light west wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely and
Patchy Fog

 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 Thursday

Thursday: Sunny, with a high near 78. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Sunny


 Thursday
Night
Thursday Night: Mostly clear, with a low around 54.
Mostly Clear


 Friday

Friday: Sunny, with a high near 77.
Sunny


 Friday
Night
Friday Night: Mostly clear, with a low around 53.
Mostly Clear


 Saturday

Saturday: Sunny, with a high near 74.
Sunny
Hi 77 °F Lo 65 °F Hi 80 °F Lo 63 °F Hi 78 °F Lo 54 °F Hi 77 °F Lo 53 °F Hi 74 °F

Hazardous Weather Outlook
 

Today
 
 Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
Tonight
 
 Scattered showers and thunderstorms, then showers likely after 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 80. Light west wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Thursday
 
 Sunny, with a high near 78. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Thursday Night
 
 Mostly clear, with a low around 54.
Friday
 
 Sunny, with a high near 77.
Friday Night
 
 Mostly clear, with a low around 53.
Saturday
 
 Sunny, with a high near 74.
Saturday Night
 
 Partly cloudy, with a low around 52.
Sunday
 
 Sunny, with a high near 72.
Sunday Night
 
 Mostly clear, with a low around 54.
Monday
 
 Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Frederick MD.