Measurements:
°C
°F
CURRENT WEATHER
15:16
Mystic
88°F
NE 9 mph
Feels like: 92°F
Precip: 3%
World Resorts USA Mystic Weather

7 Day Weather Forecast

08.05
wed
DAY
80°F
NE 8 mph
precip
4%
NIGHT
74°F
NE 7 mph
precip
38%
08.06
thu
DAY
84°F
NE 8 mph
precip
8%
NIGHT
76°F
NE 6 mph
precip
24%
08.07
fri
DAY
86°F
NE 9 mph
precip
6%
NIGHT
74°F
E 4 mph
precip
38%
08.08
sat
DAY
84°F
NE 11 mph
precip
5%
NIGHT
72°F
E 7 mph
precip
50%
08.09
sun
DAY
86°F
E 11 mph
precip
5%
NIGHT
74°F
NE 9 mph
precip
15%
08.10
mon
DAY
86°F
NE 8 mph
precip
5%
NIGHT
76°F
E 7 mph
precip
31%
08.11
tue
DAY
82°F
E 11 mph
precip
9%
NIGHT
70°F
SW 5 mph
precip
14%

Mystic Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Mystic was 21.0°F. The maximum and minimum values were 19.9°F and 23.1°F respectively.

Mystic on the Weather Map

Best Time to Visit Mystic
The most sunny months:
November 16 days
September 14 days
October 14 days
The most warm months:
July 83.3 °F
August 81.2 °F
June 76.6 °F
Warmest sea temperature:
August 72.2 °F
July 70.6 °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
more details