Measurements:
°C
°F
Mystic
96°F
E 13 mph
Feels like: 108°F
Precip: 3%
World Resorts USA Mystic Weather

7 Day Weather Forecast

07.15
wed
DAY
96°F
E 14 mph
precip
3%
NIGHT
74°F
S 6 mph
precip
4%
07.16
thu
DAY
84°F
E 6 mph
precip
2%
NIGHT
76°F
SE 7 mph
precip
4%
07.17
fri
DAY
80°F
NE 7 mph
precip
2%
NIGHT
68°F
NE 4 mph
precip
8%
07.18
sat
DAY
80°F
N 8 mph
precip
7%
NIGHT
68°F
SW 6 mph
precip
44%
07.19
sun
DAY
72°F
S 2 mph
precip
28%
NIGHT
74°F
E 7 mph
precip
6%
07.20
mon
DAY
84°F
E 10 mph
precip
3%
NIGHT
74°F
E 9 mph
precip
9%
07.21
tue
DAY
80°F
E 7 mph
precip
1%
NIGHT
72°F
NE 11 mph
precip
75%

Mystic Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Mystic was 19.6°F. The maximum and minimum values were 18.8°F and 20.9°F respectively.

Mystic on the Weather Map

Best Time to Visit Mystic
The most sunny months:
November 16 days
October 14 days
September 14 days
The most warm months:
July 82.8 °F
August 81.2 °F
June 76.6 °F
Warmest sea temperature:
August 72.2 °F
July 70.7 °F
September 70.2 °F
The most cold months:
January 34.7 °F
February 35.9 °F
December 40.1 °F
The most rainy months:
October 4 days
July 3 days
November 3 days
The most windy months:
January 10 mph
December 10 mph
March 10 mph