08.25
tue
tue
DAY
80°F
E 19 mph
precip
5%
5%
NIGHT
70°F
E 14 mph
precip
10%
10%
08.26
wed
wed
DAY
72°F
E 9 mph
precip
5%
5%
NIGHT
74°F
NE 13 mph
precip
23%
23%
08.27
thu
thu
DAY
76°F
NE 11 mph
precip
24%
24%
NIGHT
74°F
N 17 mph
precip
64%
64%
08.28
fri
fri
DAY
74°F
SE 1 mph
precip
14%
14%
NIGHT
76°F
E 14 mph
precip
29%
29%
08.29
sat
sat
DAY
72°F
S 11 mph
precip
21%
21%
NIGHT
70°F
N 7 mph
precip
21%
21%
08.30
sun
sun
DAY
74°F
NE 9 mph
precip
7%
7%
NIGHT
76°F
NE 4 mph
precip
36%
36%
08.31
mon
mon
DAY
74°F
SE 9 mph
precip
11%
11%
NIGHT
72°F
NW 6 mph
precip
11%
11%
09.01
tue
tue
DAY
74°F
N 14 mph
precip
25%
25%
NIGHT
74°F
NE 17 mph
precip
94%
94%
09.02
wed
wed
DAY
68°F
NE 15 mph
precip
30%
30%
NIGHT
66°F
SW 7 mph
precip
25%
25%
09.03
thu
thu
DAY
68°F
W 16 mph
precip
31%
31%
NIGHT
70°F
N 6 mph
precip
32%
32%
09.04
fri
fri
DAY
68°F
NW 6 mph
precip
54%
54%
NIGHT
70°F
E 21 mph
precip
11%
11%
09.05
sat
sat
DAY
66°F
E 7 mph
precip
29%
29%
NIGHT
68°F
SE 14 mph
precip
33%
33%
09.06
sun
sun
DAY
66°F
SE 4 mph
precip
12%
12%
NIGHT
64°F
SW 12 mph
precip
13%
13%
09.07
mon
mon
DAY
64°F
SW 19 mph
precip
19%
19%
NIGHT
62°F
SW 22 mph
precip
11%
11%
Sea water
temperature
temperature
| Nantucket |
Weather in
August
August
| Nantucket |
7 day weather
forecast
forecast
| Nantucket |
10 day weather
forecast
forecast
| Nantucket |
14 day weather
forecast
forecast
| Nantucket |
Monthly weather
averages
averages
| Nantucket |
Current Weather
Conditions
Conditions
| Nantucket |
When is the Best
Time to Visit?
Time to Visit?
| Nantucket |
Nantucket Sea Water Temperature in August, °F
The average sea surface temperature in August 2026 for Nantucket was 74.0°F. The maximum and minimum values were 69.6°F and 76.4°F respectively.
Nantucket on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+80 |
| Chicago |  |
+78 |
| Hawaii |  |
+84 |
| Houston |  |
+106 |
| Las Vegas | |
+116 |
| Los Angeles | |
+96 |
| Maui | |
+70 |
| Miami | |
+90 |
| Myrtle Beach | |
+84 |
| New York | |
+86 |
| San Diego | |
+96 |
| San Francisco | |
+74 |
| Santa Monica | |
+86 |
| Sarasota | |
+92 |
| Washington | |
+88 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Nantucket
Local time: 17:58
25 aug, tuesday
| 1800 | |
80°F | NE 19 mph |
| 2100 | |
72°F | E 19 mph |
26 aug, wednesday
| 0000 | |
70°F | E 14 mph |
| 0300 | |
72°F | E 14 mph |
| 0600 | |
72°F | E 12 mph |
| 0900 | |
70°F | SE 13 mph |
| 1200 | |
72°F | E 9 mph |
| 1500 | |
72°F | E 9 mph |