Stonington, CT Weather Forecast

Local 7-day forecast

54°
F

Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Stonington, CT in one place.

Saturday, April 18, 2026
Wind: 7 mph E
Saturday

Mostly cloudy, with a high near 54.

Local 7-day forecast

Local Weather Overview

This forecast page for Stonington, CT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 5:05 PM EDT.

The active forecast window currently covers Apr 18 to Apr 21, 2026 for Stonington, CT.

Page Snapshot

Page focus
city weather
Forecast window
Apr 18 to Apr 21, 2026
Latest sync
Apr 15, 2026 5:05 PM EDT
Forecast office
OKX
Source
NOAA / NWS
Next High
54°F
Saturday
Next Low
46°F
Saturday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
14 mph
Monday

Daily Outlook

Today
Apr 18
Mostly Cloudy
54 °F
/ 46°F
Wind 7 mph
Sun
Apr 19
Rain Showers Likely
53 °F
/ 38°F
Wind 6 to 12 mph
Mon
Apr 20
Slight Chance Snow Showers
45 °F
/ 34°F
Wind 14 mph
Tue
Apr 21
Sunny
47 °F
/ 42°F
Wind 7 to 12 mph

This Week in Stonington

Saturday looks like the warmest upcoming period in Stonington at 54 degrees F.

Monday Night is the coolest period ahead with temperatures near 34 degrees F.

The strongest winds are forecast for Monday at about 14 mph NW.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Apr 15, 2026 5:05 PM EDT
Coverage
4 days
Time zone
America/New_York
Forecast office
OKX
Radar station
KBOX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Apr 18
46°F
Mostly Cloudy then Slight Chance Rain Showers
3 to 7 mph SE

A slight chance of rain showers after 2am. Mostly cloudy, with a low around 46.

Sunday
Apr 19
53°F
Rain Showers Likely
6 to 12 mph SW

Rain showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

Sunday Night
Apr 19
38°F
Rain Showers Likely then Slight Chance Rain And Snow Showers
13 mph W

Rain showers likely before 2am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

Monday
Apr 20
45°F
Slight Chance Snow Showers
14 mph NW

A slight chance of snow showers before 11am, then a slight chance of rain and snow showers between 11am and 2pm. Mostly sunny, with a high near 45.

Monday Night
Apr 20
34°F
Mostly Clear
8 to 12 mph NW

Mostly clear, with a low around 34.

Tuesday
Apr 21
47°F
Sunny
7 to 12 mph W

Sunny, with a high near 47.

Tuesday Night
Apr 21
42°F
Partly Cloudy then Slight Chance Rain Showers
8 to 13 mph SW

A slight chance of rain showers after 2am. Partly cloudy, with a low around 42.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Apr 18
Mostly Cloudy
54°F
7 mph
E
Saturday Night
Apr 18
Mostly Cloudy then Slight Chance Rain Showers
46°F
3 to 7 mph
SE
Sunday
Apr 19
Rain Showers Likely
53°F
6 to 12 mph
SW
Sunday Night
Apr 19
Rain Showers Likely then Slight Chance Rain And Snow Showers
38°F
13 mph
W
Monday
Apr 20
Slight Chance Snow Showers
45°F
14 mph
NW
Monday Night
Apr 20
Mostly Clear
34°F
8 to 12 mph
NW
Tuesday
Apr 21
Sunny
47°F
7 to 12 mph
W
Tuesday Night
Apr 21
Partly Cloudy then Slight Chance Rain Showers
42°F
8 to 13 mph
SW
Stonington Homes
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.