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.

Wednesday
10th Dec
9

2

2

1
Thursday
11th Dec
4

-4

5

1
Friday
12th Dec
1

-4

9

1
Saturday
13th Dec
2

-4

3

1
Sunday
14th Dec
1

-7

3

1

5-day weather forecast updated at 04:04 on Wednesday 10th 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 Wednesday 10th December 2025

Expect mostly cloudy with light rain in Mystic, Connecticut with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a fresh breeze of 31 kph from the south-west.

9
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
79
% chance of some rain
<5
mm of rainfall expected
5
°C wind chill
31
kph wind from SW

Mystic weather for Thursday 11th December 2025

Expect broken clouds in Mystic, Connecticut with a maximum temperature of 4°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the west.

4
°C maximum temperature
-4
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
32
kph wind from W

Mystic weather for Friday 12th December 2025

Expect clear skies in Mystic, Connecticut with a maximum temperature of 1°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.

1
°C maximum temperature
-4
°C minimum temperature
clear skies
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-5
°C wind chill
29
kph wind from W

Mystic weather for Saturday 13th December 2025

Expect broken clouds in Mystic, Connecticut with a maximum temperature of 2°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

2
°C maximum temperature
-4
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-2
°C wind chill
19
kph wind from W

Mystic weather for Sunday 14th December 2025

Expect cloudy with sleet or snow in Mystic, Connecticut with a maximum temperature of 1°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 34% chance of some sleet or snow and a fresh breeze of 29 kph from the north-west.