Old Mystic, Connecticut 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 71°F 22°C Heat Index: 71°F	Observed at: Old Mystic, CT	Elevation: 412 ft | 126 m
	Last Updated: July 27, 9:00 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 71°F | 22°C
	Pressure: 29.64 in | 1003.6 mb	Dewpoint: 66°F | 19°C
	Humidity: 85%	Wind: SSW 7 mph | SSW 11 kph
	Feels Like: 74°F | 23°C	Visibility: 32.2 mi | 51.8 km
	Lat/Long: 41.3833 | -71.9686	Sunrise: 5:38 AM   Sunset: 8:10 PM

7 Day Graphical Forecast

Valid: 6:53 PM 7/29/2026

Tonight Mostly Clear 57 °F 4% Chance Precipitation Tuesday Overcast 77 |65 °F 19% Chance Precipitation Wednesday Light Showers 75 |65 °F 88% Chance Precipitation Thursday Heavy Drizzle 72 |63 °F 60% Chance Precipitation Friday Drizzle 70 |62 °F 43% Chance Precipitation Saturday Light Drizzle 80 |58 °F 9% Chance Precipitation Sunday Light Drizzle 77 |62 °F 12% Chance Precipitation

7 Hour Graphical Forecast

Valid: 6:53 PM 7/29/2026

6 PM Overcast 73 °F 70% Chance Precipitation

7 PM Light Drizzle 70 °F 70% Chance Precipitation

8 PM Drizzle 67 °F 70% Chance Precipitation

9 PM Light Showers 65 °F 60% Chance Precipitation

10 PM Light Drizzle 65 °F 60% Chance Precipitation

11 PM Light Drizzle 65 °F 60% Chance Precipitation

12 AM Light Drizzle 65 °F 60% Chance Precipitation

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

7 Day & Night Weather Forecast for Old Mystic, CT - (Fahrenheit & Celsius) Valid: 6:53 PM 7/29/2026 Tonight Mostly Clear with a low around 57°F [14°C]. S wind to around 10 mph [16 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 77°F [25°C]. SSE wind to around 13 mph [21 kph], with gusts to near 29 mph [47 kph]. Dewpoint near 66°F [19°C] with humidity of 96%. Pressure around 29.64 in [1003.6 mb]. UV Index: 6.6. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 65°F [18°C]. SSE wind to around 13 mph [21 kph], with gusts to near 29 mph [47 kph]. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Wednesday Light Showers with a high near 75°F [24°C]. SE wind to around 16 mph [25 kph], with gusts to near 34 mph [55 kph]. Dewpoint near 66°F [19°C] with humidity of 99%. Pressure around 29.64 in [1003.6 mb]. UV Index: 6.25. Chance of precipitation 88% with QPF of 0.98 in [24.8 mm]. Wednesday Night Light Showers with a low around 65°F [18°C]. SE wind to around 16 mph [25 kph], with gusts to near 34 mph [55 kph]. Chance of precipitation 88% with QPF of 0.98 in [24.8 mm]. Thursday Heavy Drizzle with a high near 72°F [22°C]. NNW wind to around 9 mph [14 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 66°F [19°C] with humidity of 99%. Pressure around 29.64 in [1003.6 mb]. UV Index: 4.8. Chance of precipitation 60% 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 17 mph [27 kph]. Chance of precipitation 60% with QPF of 0.17 in [4.3 mm]. Friday Drizzle with a high near 70°F [21°C]. N wind to around 9 mph [14 kph], with gusts to near 20 mph [32 kph]. Dewpoint near 66°F [19°C] with humidity of 98%. Pressure around 29.64 in [1003.6 mb]. UV Index: 3.45. Chance of precipitation 43% with QPF of 0.06 in [1.4 mm]. Friday Night Drizzle with a low around 62°F [17°C]. N wind to around 9 mph [14 kph], with gusts to near 20 mph [32 kph]. Chance of precipitation 43% with QPF of 0.06 in [1.4 mm]. Saturday Light Drizzle with a high near 80°F [26°C]. SE wind to around 9 mph [15 kph], with gusts to near 8 mph [13 kph]. Dewpoint near 66°F [19°C] with humidity of 99%. Pressure around 29.64 in [1003.6 mb]. UV Index: 6.6. Chance of precipitation 9% with QPF of 0.00 in [0.1 mm]. Saturday Night Light Drizzle with a low around 58°F [14°C]. SE wind to around 9 mph [15 kph], with gusts to near 8 mph [13 kph]. Chance of precipitation 9% with QPF of 0.00 in [0.1 mm]. Sunday Light Drizzle with a high near 77°F [25°C]. SSE wind to around 8 mph [13 kph], with gusts to near 12 mph [20 kph]. Dewpoint near 66°F [19°C] with humidity of 97%. Pressure around 29.64 in [1003.6 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 12 mph [20 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 Old Mystic, CT

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 24.8 mm | 0.98 in

Wednesday Night: 24.8 mm | 0.98 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 Old Mystic, CT

Tonight: S @ 16 kph | 10 mph

Tuesday: SSE @ 21 kph | 13 mph

Tuesday Night: SSE @ 21 kph | 13 mph

Wednesday: SE @ 25 kph | 16 mph

Wednesday Night: SE @ 25 kph | 16 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 Old Mystic, CT

Tonight: 90 %

Tuesday: 96 %

Tuesday Night: 96 %

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 Old Mystic, CT

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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