21.07
tue
tue
Day

77°F
NW 13 mph
Precip.
9%
9%
Night

70°F
N 13 mph
Precip.
62%
62%
22.07
wed
wed
Day

77°F
NE 11 mph
Precip.
56%
56%
Night

66°F
S 11 mph
Precip.
17%
17%
23.07
thu
thu
Day

73°F
SE 11 mph
Precip.
1%
1%
Night

63°F
S 5 mph
Precip.
4%
4%
24.07
fri
fri
Day

73°F
NE 5 mph
Precip.
2%
2%
Night

64°F
NW 5 mph
Precip.
8%
8%
25.07
sat
sat
Day

73°F
W 11 mph
Precip.
2%
2%
Night

64°F
NE 4 mph
Precip.
10%
10%
26.07
sun
sun
Day

75°F
N 6 mph
Precip.
2%
2%
Night

64°F
NE 6 mph
Precip.
8%
8%
27.07
mon
mon
Day

79°F
NE 14 mph
Precip.
5%
5%
Night

70°F
NE 7 mph
Precip.
91%
91%
28.07
tue
tue
Day

77°F
E 12 mph
Precip.
8%
8%
Night

70°F
NE 7 mph
Precip.
35%
35%
29.07
wed
wed
Day

75°F
SW 9 mph
Precip.
9%
9%
Night

66°F
W 4 mph
Precip.
14%
14%
30.07
thu
thu
Day

75°F
W 9 mph
Precip.
5%
5%
Night

64°F
W 6 mph
Precip.
14%
14%
31.07
fri
fri
Day

75°F
NW 8 mph
Precip.
4%
4%
Night

68°F
N 6 mph
Precip.
30%
30%
01.08
sat
sat
Day

77°F
NE 14 mph
Precip.
38%
38%
Night

72°F
E 6 mph
Precip.
22%
22%
02.08
sun
sun
Day

79°F
E 9 mph
Precip.
2%
2%
Night

72°F
SE 4 mph
Precip.
7%
7%
03.08
mon
mon
Day

79°F
NE 7 mph
Precip.
17%
17%
Night

75°F
NE 8 mph
Precip.
21%
21%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.4°F. The highest and lowest sea temperatures during the month were 70.5°F and 65.8°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.7°F. The highest and lowest sea temperatures during the month were 73.6°F and 67.8°F.
Air temperature in Mystic, °F
Precipitation total in Mystic, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mystic
Mystic on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mystic
Local time: 09:43
July 21, tuesday
1200

77°F
NW
13 mph
13 mph
1500

73°F
NW
14 mph
14 mph
1800

72°F
NW
13 mph
13 mph
2100

72°F
N
11 mph
11 mph
July 22, wednesday
0000

70°F
N
13 mph
13 mph
0300

72°F
NE
12 mph
12 mph
0600

70°F
NE
10 mph
10 mph
0900

73°F
NE
11 mph
11 mph




























