National Weather Service United States Department of Commerce

Heavy rain and flash flooding possible in the Desert Southwest and Great Lake States this evening and tonight

A slow moving cold front may bring heavy rain and localized flooding Wednesday to portions of the Great Plains. More heavy rain will be possible in the Desert Southwest again Wednesday. Hot temperatures will continue in the Mississippi Valley - and spread up the east coast Wednesday.
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Current Conditions

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Groton CT

7 Day Forecast

For More Weather Information:

New York, NY Local Forecast Office

Today

Sunny

Sunny

High: 80 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 64 °F

Thursday

Sunny

Sunny

High: 81 °F

Thursday
Night

Clear

Clear

Low: 58 °F

Friday

Sunny

Sunny

High: 73 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 75 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 65 °F

Sunday

Partly Sunny

Partly
Sunny

High: 79 °F

Detailed Forecast

  • Today Sunny, with a high near 80. Southwest wind 5 to 9 mph.
  • Tonight A slight chance of showers and thunderstorms between midnight and 3am. Mostly cloudy, with a low around 64. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 20%.
  • Thursday Sunny, with a high near 81. North wind 9 to 14 mph.
  • Thursday Night Clear, with a low around 58. South wind 7 to 10 mph becoming north after midnight.
  • Friday Sunny, with a high near 73. North wind around 9 mph becoming south in the afternoon.
  • Friday Night Partly cloudy, with a low around 60.
  • Saturday Mostly sunny, with a high near 75.
  • Saturday Night Partly cloudy, with a low around 65.
  • Sunday Partly sunny, with a high near 79.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
  • Labor Day A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
  • Monday Night Mostly cloudy, with a low around 63.
  • Tuesday Mostly sunny, with a high near 79.