Stonington Borough, Connecticut 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 71°F 22°C Heat Index: 71°F	Observed at: Stonington Borough, CT	Elevation: 405 ft | 123 m
	Last Updated: July 27, 8:00 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 71°F | 22°C
	Pressure: 29.8 in | 1009.3 mb	Dewpoint: 67°F | 19°C
	Humidity: 88%	Wind: SSW 10 mph | SSW 16 kph
	Feels Like: 73°F | 23°C	Visibility: 29.8 mi | 47.9 km
	Lat/Long: 41.3348 | -71.9	Sunrise: 5:38 AM   Sunset: 8:10 PM

7 Day Graphical Forecast

Valid: 11:23 AM 7/28/2026

Today Partly Cloudy 75 |58 °F 24 |14 °C 3% Chance Precipitation Tuesday Foggy 77 |68 °F 25 |20 °C 18% Chance Precipitation Wednesday Light Showers 76 |65 °F 24 |18 °C 86% Chance Precipitation Thursday Heavy Drizzle 73 |63 °F 23 |17 °C 58% Chance Precipitation Friday Drizzle 71 |63 °F 22 |17 °C 35% Chance Precipitation Saturday Light Drizzle 80 |58 °F 27 |15 °C 7% Chance Precipitation Sunday Light Drizzle 78 |62 °F 25 |17 °C 12% Chance Precipitation

7 Hour Graphical Forecast

Valid: 11:23 AM 7/28/2026

11 AM Overcast 75 °F 6% Chance Precipitation

12 PM Mostly Clear 75 °F 9% Chance Precipitation

1 PM Overcast 77 °F 7% Chance Precipitation

2 PM Clear 76 °F 6% Chance Precipitation

3 PM Overcast 76 °F 7% Chance Precipitation

4 PM Clear 75 °F 8% Chance Precipitation

5 PM Overcast 74 °F 8% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Stonington Borough, CT - (Fahrenheit & Celsius) Valid: 11:23 AM 7/28/2026 Today Partly Cloudy with a high near 75°F [24°C]. S wind to around 11 mph [18 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 67°F [19°C] with humidity of 93%. Pressure around 29.80 in [1009.3 mb]. UV Index: 7.55. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Tonight Partly Cloudy with a low around 58°F [14°C]. S wind to around 11 mph [18 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Tuesday Foggy with a high near 77°F [25°C]. SSE wind to around 15 mph [23 kph], with gusts to near 30 mph [47 kph]. Dewpoint near 67°F [19°C] with humidity of 97%. Pressure around 29.80 in [1009.3 mb]. UV Index: 6.6. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Tuesday Night Foggy with a low around 68°F [20°C]. SSE wind to around 15 mph [23 kph], with gusts to near 30 mph [47 kph]. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Wednesday Light Showers with a high near 76°F [24°C]. SE wind to around 19 mph [31 kph], with gusts to near 36 mph [58 kph]. Dewpoint near 67°F [19°C] with humidity of 99%. Pressure around 29.80 in [1009.3 mb]. UV Index: 6.25. Chance of precipitation 86% with QPF of 0.83 in [21.1 mm]. Wednesday Night Light Showers with a low around 65°F [18°C]. SE wind to around 19 mph [31 kph], with gusts to near 36 mph [58 kph]. Chance of precipitation 86% with QPF of 0.83 in [21.1 mm]. Thursday Heavy Drizzle with a high near 73°F [23°C]. NNW wind to around 9 mph [14 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 67°F [19°C] with humidity of 99%. Pressure around 29.80 in [1009.3 mb]. UV Index: 4.8. Chance of precipitation 58% with QPF of 0.17 in [4.3 mm]. Thursday Night Heavy Drizzle with a low around 63°F [17°C]. NNW wind to around 9 mph [14 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 58% with QPF of 0.17 in [4.3 mm]. Friday Drizzle with a high near 71°F [22°C]. N wind to around 9 mph [14 kph], with gusts to near 18 mph [28 kph]. Dewpoint near 67°F [19°C] with humidity of 98%. Pressure around 29.80 in [1009.3 mb]. UV Index: 3.45. Chance of precipitation 35% with QPF of 0.06 in [1.4 mm]. Friday Night Drizzle with a low around 63°F [17°C]. N wind to around 9 mph [14 kph], with gusts to near 18 mph [28 kph]. Chance of precipitation 35% with QPF of 0.06 in [1.4 mm]. Saturday Light Drizzle with a high near 80°F [27°C]. SE wind to around 9 mph [15 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 67°F [19°C] with humidity of 99%. Pressure around 29.80 in [1009.3 mb]. UV Index: 6.6. Chance of precipitation 7% with QPF of 0.00 in [0.1 mm]. Saturday Night Light Drizzle with a low around 58°F [15°C]. SE wind to around 9 mph [15 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 7% with QPF of 0.00 in [0.1 mm]. Sunday Light Drizzle with a high near 78°F [25°C]. SSE wind to around 8 mph [13 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 67°F [19°C] with humidity of 97%. Pressure around 29.80 in [1009.3 mb]. UV Index: 6.05. Chance of precipitation 12% with QPF of 0.05 in [1.2 mm]. Sunday Night Light Drizzle with a low around 62°F [17°C]. SSE wind to around 8 mph [13 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 12% with QPF of 0.05 in [1.2 mm].

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7 Day and Night - QPF Forecast for Stonington Borough, CT

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 21.1 mm | 0.83 in

Wednesday Night: 21.1 mm | 0.83 in

Thursday: 4.3 mm | 0.17 in

Thursday Night: 4.3 mm | 0.17 in

Friday: 1.4 mm | 0.06 in

Friday Night: 1.4 mm | 0.06 in

Saturday: 0.1 mm | 0.00 in

Saturday Night: 0.1 mm | 0.00 in

Sunday: 1.2 mm | 0.05 in

Sunday Night: 1.2 mm | 0.05 in

7 Day and Night - Maximum Wind Speed Forecast for Stonington Borough, CT

Today: S @ 18 kph | 11 mph

Tonight: S @ 18 kph | 11 mph

Tuesday: SSE @ 23 kph | 15 mph

Tuesday Night: SSE @ 23 kph | 15 mph

Wednesday: SE @ 31 kph | 19 mph

Wednesday Night: SE @ 31 kph | 19 mph

Thursday: NNW @ 14 kph | 9 mph

Thursday Night: NNW @ 14 kph | 9 mph

Friday: N @ 14 kph | 9 mph

Friday Night: N @ 14 kph | 9 mph

Saturday: SE @ 15 kph | 9 mph

Saturday Night: SE @ 15 kph | 9 mph

Sunday: SSE @ 13 kph | 8 mph

Sunday Night: SSE @ 13 kph | 8 mph

7 Day and Night - Maximum Humidity Forecast for Stonington Borough, CT

Today: 93 %

Tonight: 93 %

Tuesday: 97 %

Tuesday Night: 97 %

Wednesday: 99 %

Wednesday Night: 99 %

Thursday: 99 %

Thursday Night: 99 %

Friday: 98 %

Friday Night: 98 %

Saturday: 99 %

Saturday Night: 99 %

Sunday: 97 %

Sunday Night: 97 %

7 Day and Night - Snowfall Totals Forecast for Stonington Borough, CT

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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