Mystic weather live forecast

Today's maximum temperature in Mystic is expected to be -3°C. Select a day from the live weather forecast for Mystic, Connecticut, USA for more weather parameters.

Monday
15th Dec
-3

-11

8

1
Tuesday
16th Dec
0

-6

8

2
Wednesday
17th Dec
6

-1

8

1
Thursday
18th Dec
12

-2

5

1
Friday
19th Dec
13

-2

2

1

5-day weather forecast updated at 04:04 on Monday 15th 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 Monday 15th December 2025

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of -3°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 27 kph from the north-west.

-3
°C maximum temperature
-11
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-10
°C wind chill
27
kph wind from NW

Mystic weather for Tuesday 16th December 2025

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of 0°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 20 kph from the south-west.

0
°C maximum temperature
-6
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-5
°C wind chill
20
kph wind from SW

Mystic weather for Wednesday 17th December 2025

Expect scattered clouds in Mystic, Connecticut with a maximum temperature of 6°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

6
°C maximum temperature
-1
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
25
kph wind from SW

Mystic weather for Thursday 18th December 2025

Expect sunshine and showers in Mystic, Connecticut with a maximum temperature of 12°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 30 kph from the south.

12
°C maximum temperature
-2
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
46
% chance of some rain
<5
mm of rainfall expected
12
°C wind chill
30
kph wind from S

Mystic weather for Friday 19th December 2025

Expect mostly cloudy with rain in Mystic, Connecticut with a maximum temperature of 13°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 70% chance of some rain and a fresh breeze of 36 kph from the west.