



Briefing for Heat, Severe Storm, and Flash Flood Risks through Thursday
Dangerously hot and humid conditions are expected through Wednesday. There is also a threat of isolated severe thunderstorms on Wednesday. Flash flooding from locally heavy rainfall is possible on Thursday. See this briefing for details on these hazards. Read More >
Hazardous Weather Conditions
Current conditions at
Georgetown - Delaware Coastal Airport (KGED)
Lat: 38.69°NLon: 75.36°WElev: 46ft.
Mostly Cloudy
91°F
33°C
Humidity | 52% |
Wind Speed | N 3 mph |
Barometer | 30.02 in (1016.4 mb) |
Dewpoint | 71°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 98°F (37°C) |
Last update | 29 Jul 12:54 pm EDT |
Extended Forecast for
Nassau DE
This Afternoon
High: 94 °F
Mostly Sunny
Tonight
Low: 74 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny
Wednesday Night
Low: 74 °F
Mostly Clear
Thursday
High: 89 °F
Slight Chance
T-storms then
Chance
ShowersThursday Night
Low: 71 °F
Heavy Rain
Friday
High: 79 °F
Showers
LikelyFriday Night
Low: 67 °F
Chance
Showers then
Mostly CloudySaturday
High: 80 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 94. Heat index values as high as 101. East wind around 5 mph.
Tonight
Mostly clear, with a low around 74. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 103. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind around 5 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 89. Southeast wind 5 to 15 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Nassau DE
38.76°N 75.21°W (Elev. 10 ft)
38.76°N 75.21°W (Elev. 10 ft)
4:11 am EDT Jul 29, 2025
1pm EDT Jul 29, 2025-6pm EDT Aug 4, 2025