Measurements:
°C
°F
Mystic
72°F
SE 14 mph
Feels like: 72°F
Precip: 0%
World Resorts USA Mystic Weather

7 Day Weather Forecast

04.23
thu
DAY
64°F
E 11 mph
precip
0%
NIGHT
48°F
S 6 mph
precip
0%
04.24
fri
DAY
54°F
SE 5 mph
precip
0%
NIGHT
42°F
NW 7 mph
precip
0%
04.25
sat
DAY
48°F
W 11 mph
precip
0%
NIGHT
40°F
W 8 mph
precip
100%
04.26
sun
DAY
50°F
W 7 mph
precip
0%
NIGHT
40°F
S 5 mph
precip
0%
04.27
mon
DAY
54°F
NW 7 mph
precip
0%
NIGHT
44°F
NW 4 mph
precip
0%
04.28
tue
DAY
52°F
N 9 mph
precip
0%
NIGHT
46°F
NW 9 mph
precip
100%
04.29
wed
DAY
50°F
NW 14 mph
precip
100%
NIGHT
52°F
NE 2 mph
precip
26%

Mystic Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Mystic was 5.7°F. The maximum and minimum values were 4.0°F and 7.6°F respectively.

Mystic on the Weather Map

Best Time to Visit Mystic
The most sunny months:
November 16 days
October 14 days
December 14 days
The most warm months:
July 82.8 °F
August 81.2 °F
June 75.9 °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
November 3 days
July 3 days
The most windy months:
January 10 mph
December 10 mph
March 10 mph