Local Forecast

Groton, CT Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Groton, CT

Active Alerts 1 active

Hour-by-Hour  Current Observation

Saturday 12:30 PM EDTSaturday 12:30 PM

°F °C
Regional Observations →
78°F

Haze

  • 80° / 68° High / Low
  • 78° Feels Like
  • 0% Chance of Rain

Wind

12 mph

SSW

UV Index

10

Very High

Humidity

65%

Dew 66°F

Sun

5:29 AM · 8:18 PM

Rise · Set

Source: WILLIMANTIC (KIJD). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Today

80° 68°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Today

Areas of smoke before 11am, then areas of smoke and a chance of rain showers between 11am and 2pm, then patchy smoke and showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 73 in the afternoon. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Night

Showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. Southwest wind 6 to 12 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Sunday

82° 60°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Sunday

Sunny. High near 82, with temperatures falling to around 79 in the afternoon. Northwest wind 7 to 10 mph.

Night

Mostly clear, with a low around 60. Northwest wind 2 to 7 mph.

Monday

78° 64°

Mostly Sunny

Overnight: Partly Cloudy

Detailed forecast

Monday

Sunny, with a high near 78. West wind 0 to 7 mph.

Night

Partly cloudy, with a low around 63.

Tuesday

77° 68°

Chance of Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Tuesday

A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.

Night

A chance of showers and thunderstorms before 8pm, then showers and thunderstorms. Cloudy, with a low around 67. Chance of precipitation is 90%.

Wednesday

82° 66°

Thunderstorms

Overnight: Chance of Rain

Detailed forecast

Wednesday

Showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 90%.

Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Groton, CT Weather Analysis Tools