Mystic weather live forecast

Today's maximum temperature in Mystic is expected to be 9°C. Select a day from the live weather forecast for Mystic, Connecticut, USA for more weather parameters.

Thursday
18th Dec
9

-3

9

2
Friday
19th Dec
14

0

1

0
Saturday
20th Dec
4

0

7

1
Sunday
21st Dec
8

-1

6

1
Monday
22nd Dec
0

-3

9

1

5-day weather forecast updated at 04:04 on Friday 19th December 2025 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 Thursday 18th December 2025

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of 9°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

9
°C maximum temperature
-3
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
19
kph wind from SE

Mystic weather for Friday 19th December 2025

Expect mostly cloudy with rain in Mystic, Connecticut with a maximum temperature of 14°C and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a strong breeze of 42 kph from the south.

14
°C maximum temperature
0
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
100
% chance of some rain
<20
mm of rainfall expected
14
°C wind chill
42
kph wind from S

Mystic weather for Saturday 20th December 2025

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of 4°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.

4
°C maximum temperature
0
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
29
kph wind from W

Mystic weather for Sunday 21st December 2025

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of 8°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the west.

8
°C maximum temperature
-1
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
26
kph wind from W

Mystic weather for Monday 22nd December 2025

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of 0°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 26 kph from the north-west.