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 8:20 AM EDTSunday 8:20 AM

°F °C
Regional Observations →
66°F

Cloudy

  • 78° / 60° High / Low
  • 66° Feels Like
  • 0% Chance of Rain

Wind

5 mph

NNW

UV Index

6

High

Humidity

100%

Dew 66°F

Sun

5:16 AM · 8:25 PM

Rise · Set

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

5-Day Outlook

Through Thursday

Local Radar →

Today

78° 60°

Slight Chance of Rain Showers

Overnight: Mostly Cloudy

Detailed forecast

Today

A slight chance of rain showers after 2pm. Partly sunny. High near 78, with temperatures falling to around 74 in the afternoon. East wind 0 to 6 mph. Chance of precipitation is 20%.

Night

A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 60. Southeast wind 0 to 3 mph. Chance of precipitation is 20%.

Monday

80° 62°

Mostly Cloudy

Overnight: Partly Cloudy

Detailed forecast

Monday

Mostly sunny. High near 80, with temperatures falling to around 76 in the afternoon. Northeast wind 0 to 6 mph.

Night

Partly cloudy, with a low around 62. South wind 0 to 5 mph.

Tuesday

84° 66°

Partly Sunny

Overnight: Isolated T-storm

Detailed forecast

Tuesday

Mostly sunny. High near 83, with temperatures falling to around 81 in the afternoon.

Night

A chance of rain showers between 8pm and 2am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Wednesday

91° 71°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Wednesday

A slight chance of showers and thunderstorms before 8am. Sunny, with a high near 90.

Night

Mostly clear, with a low around 69.

Thursday

98° 73°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Thursday

Sunny, with a high near 94.

Night

Mostly clear, with a low around 72.

Groton, CT Weather Analysis Tools