New York, NY 81° Los Angeles, CA 89° Chicago, IL 85° Houston, TX 95° Miami, FL 93° Phoenix, AZ 103° Seattle, WA 63° Denver, CO 90° Toronto, ON 77° Vancouver, BC 61°
WeatherLiveDelawareNassau

Nassau, DE Weather (19969)

ZIP codes: 19969 · 19958
Current WeatherNassau · 1:43 PM EDT
83° | 70°
80°F
Feels like 85°
Mostly cloudy
WindW 4 mph · Gusts 6 mph
Precip66% · 0.05 in
Humidity84% · Dew point 74°
UV index7 High
Air Quality46 Good
Pressure30.00 inHg
Visibility6 mi
Sunrise / Sunset6:26 AM · 7:37 PM · 13h 11m

Weather map — Nassau

Full radar →
Now
80°
26%
4 mph
14:00
80°
25%
3 mph
15:00
80°
23%
4 mph
16:00
80°
20%
4 mph
17:00
81°
0.03 in
4 mph
18:00
79°
24%
4 mph
19:00
77°
0.02 in
1 mph
20:00
74°
26%
1 mph
21:00
74°
13%
2 mph
22:00
72°
27%
2 mph
23:00
72°
24%
4 mph
00:00
72°
12%
5 mph
01:00
71°
14%
6 mph
02:00
69°
33%
7 mph
03:00
69°
28%
9 mph
04:00
69°
26%
10 mph
05:00
68°
25%
9 mph
06:00
67°
24%
9 mph
07:00
68°
22%
9 mph
08:00
69°
20%
8 mph
09:00
70°
18%
8 mph
10:00
73°
16%
9 mph
11:00
76°
16%
9 mph
12:00
77°
15%
8 mph

Today · Fri 8/28

High 83°
66% / 0.05 in

Mostly cloudy. Winds SW at 5 mph.

Tonight · Fri 8/28

Low 67°
13% / –

Sunny. Winds SE at 2 mph.

Tomorrow · Sat 8/29

78° | 67°
21% / –

Mostly cloudy. Winds NE at 10 mph.

7-day trend

Nassau · temperature + precipitation

10-day forecast

Updated 1:43 PM

Details & indices

Wind
4 mph W
Gusts 6 mph
Humidity
84%
Dew point 74°
Pressure
30.00 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 46 · US EPA
Allergy
Moderate
Grass
Visibility
6 mi
Clear view
Allergy — Nassau

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Moderate

Sun & moon

Sunrise6:26 AM
Sunset7:37 PM
Length of day13h 11m
Moonrise7:50 PM
Moonset6:47 AM
Next full moonSep 26 Harvest Moon
Latitude38.7521°N
Longitude-75.1877°E

Water temps nearby

View all →
Rehoboth Beach (6 mi)76°
Cape May (20 mi)78°
Wildwood (26 mi)78°
Ocean City (29 mi)77°
Ocean City (49 mi)78°
Atlantic City Beach (59 mi)78°
🌦️Dry now — rain moving in around 2:00 PM (17 min)
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Data sources · Friday, August 28
Where the Nassau forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 38.7521°N, -75.1877°.
NBM + global weather models
Updated: 1:43 PM
Weather in Nassau
The 10-day span for Nassau runs from a high near 99° on Thursday down to 65° overnight on Sunday. Models drop roughly 0.19 in of precipitation across the stretch — watch Tuesday (73%). The NWS alert board for this area is currently clear. Right now Nassau is about 8° cooler than nearby Washington. Longer view: variable mid-latitude weather in every season.
Nassau, DE · Elev 26 ft · 38.75°N, 75.19°W · Delaware · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:43 PM