Local Forecast

Groton, CT Weather Forecast & Alerts

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

No Active Alerts

Hour-by-Hour  Current Observation

Sunday 10:50 PM EDTSunday 10:50 PM

°F °C
Regional Observations →
64°F

Light Rain and Fog/Mist

  • 86° / 57° High / Low
  • 64° Feels Like
  • 0% Chance of Rain

Wind

12 mph

NE

UV Index

0

None

Humidity

88%

Dew 60°F

Sun

5:15 AM · 8:18 PM

Rise · Set

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

5-Day Outlook

Through Thursday

Local Radar →

Today

86° 57°

Slight Chance of Showers

Overnight: Slight Chance of Rain

Detailed forecast

Today

Slight Chance of Showers High near 86°F.

Night

A slight chance of rain showers before 2am. Mostly cloudy, with a low around 57. North wind 5 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Monday

77° 57°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Monday

Sunny. High near 76, with temperatures falling to around 72 in the afternoon. Northeast wind around 8 mph.

Night

Clear, with a low around 56. Southwest wind 2 to 6 mph.

Tuesday

82° 62°

Mostly Sunny

Overnight: Partly Cloudy

Detailed forecast

Tuesday

Sunny. High near 81, with temperatures falling to around 76 in the afternoon. Southwest wind 3 to 10 mph.

Night

Mostly clear, with a low around 62. Southwest wind 3 to 9 mph.

Wednesday

82° 62°

Mostly Cloudy

Overnight: Isolated T-storm

Detailed forecast

Wednesday

Partly sunny. High near 81, with temperatures falling to around 78 in the afternoon.

Night

A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

Thursday

86° 62°

Isolated T-storm

Overnight: Partly Cloudy

Detailed forecast

Thursday

A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Night

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62.

Groton, CT Weather Analysis Tools