Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

31NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
SW 10kt
1ft
Tonight
Low: 69 °F
Light Wind
1ft
Tuesday
High: 84 °F
Light Wind
1ft
Tuesday Night
Low: 70 °F
Light Wind
1ft
Wednesday
High: 85 °F
Light Wind
1ft
Wednesday Night
Low: 74 °F
Light Wind
1ft
Thursday
High: 89 °F
SSW 10kt
1ft
Thursday Night
Low: 75 °F
Light Wind
1ft
Friday
High: 90 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:39 pm EDT Aug 3, 2026
Forecast Valid: 3pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SW wind around 10 kt. Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Waves around 1 ft.

Tonight

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 8pm. Waves around 1 ft.

Tuesday

Variable winds 5 kt or less. Partly sunny. Waves around 1 ft.

Tuesday Night

Variable winds 5 kt or less. A slight chance of showers after 2am. Waves around 1 ft.

Wednesday

Variable winds 5 kt or less. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Waves around 1 ft.

Wednesday Night

Variable winds 5 kt or less. Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Waves around 1 ft.

Thursday

SSW wind 5 to 10 kt. A chance of showers and thunderstorms after 2pm. Waves around 1 ft.

Thursday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Waves around 1 ft.

Friday

Variable winds 5 kt or less. Mostly sunny. Waves around 1 ft.

Winds and seas higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.