National Weather Service Forecast for: Delmar MD
Issued by: National Weather Service Philadelphia, PA
Updated: 4:09 pm EDT Sep 12, 2026
 
Overnight

Overnight: Showers and possibly a thunderstorm. Low around 70. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers


 Sunday

Sunday: Showers and thunderstorms likely, mainly before 1pm. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely and
Patchy Fog
then Chance
Showers
 Sunday
Night
Sunday Night: Mostly clear, with a low around 69. Southwest wind around 5 mph.
Mostly Clear


 Monday

Monday: Mostly sunny, with a high near 80. North wind 10 to 15 mph.
Mostly Sunny


 Monday
Night
Monday Night: Mostly clear, with a low around 56. North wind 5 to 10 mph.
Mostly Clear


 Tuesday

Tuesday: Sunny, with a high near 79.
Sunny


 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 58.
Mostly Clear


 Wednesday

Wednesday: Sunny, with a high near 80.
Sunny


 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 61.
Mostly Clear
Lo 70 °F Hi 85 °F Lo 69 °F Hi 80 °F Lo 56 °F Hi 79 °F Lo 58 °F Hi 80 °F Lo 61 °F

 

Overnight
 
 Showers and possibly a thunderstorm. Low around 70. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Showers and thunderstorms likely, mainly before 1pm. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
 Mostly clear, with a low around 69. Southwest wind around 5 mph.
Monday
 
 Mostly sunny, with a high near 80. North wind 10 to 15 mph.
Monday Night
 
 Mostly clear, with a low around 56. North wind 5 to 10 mph.
Tuesday
 
 Sunny, with a high near 79.
Tuesday Night
 
 Mostly clear, with a low around 58.
Wednesday
 
 Sunny, with a high near 80.
Wednesday Night
 
 Mostly clear, with a low around 61.
Thursday
 
 Sunny, with a high near 84.
Thursday Night
 
 Mostly clear, with a low around 64.
Friday
 
 Mostly sunny, with a high near 85.
Friday Night
 
 Partly cloudy, with a low around 65.
Saturday
 
 Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Delmar MD.