Mystic weather live forecast

Today's maximum temperature in Mystic is expected to be 30°C. Select a day from the live weather forecast for Mystic, Connecticut, USA for more weather parameters.

Wednesday
20th May
30

18

12

UV8
Thursday
21st May
18

10

5

UV4
Friday
22nd May
18

10

9

UV7
Saturday
23rd May
13

11

0

UV3
Sunday
24th May
15

10

11

UV3

5-day weather forecast updated at 04:02 on Wednesday 20th May 2026 GMT

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The 5-day weather forecast for Connecticut (Mystic) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Mystic weather forecast by day

Below are the detailed weather forecasts for Mystic for the next 5 days.

Mystic weather for Wednesday 20th May 2026

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

30
°C maximum temperature
18
°C minimum temperature
scattered clouds
12
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SW

Mystic weather for Thursday 21st May 2026

Expect broken clouds in Mystic, Connecticut with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

18
°C maximum temperature
10
°C minimum temperature
broken clouds
5
hours of sunshine
UV4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
14
kph wind from N

Mystic weather for Friday 22nd May 2026

Expect broken clouds in Mystic, Connecticut with a maximum temperature of 18°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

18
°C maximum temperature
10
°C minimum temperature
broken clouds
9
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
18
°C wind chill
12
kph wind from SE

Mystic weather for Saturday 23rd May 2026

Expect cloudy with some rain in Mystic, Connecticut with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a light breeze of 12 kph from the east.

13
°C maximum temperature
11
°C minimum temperature
cloudy with some rain
0
hours of sunshine
UV3
UV index (Moderate)
60
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
12
kph wind from E

Mystic weather for Sunday 24th May 2026

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.