National Weather Service forecast

Groton, Connecticut Weather

56°Overnight: Patchy Fog
Wind SW 7 mph
7-DayHourlyRadar

Groton 7-Day Forecast

  1. Overnight
    56°F
    Patchy Fog
    3% chance of precipitation

    Patchy fog after 5am. Partly cloudy, with a low around 56. Southwest wind around 7 mph.

  2. Wednesday
    68°F
    Patchy Fog then Sunny
    4% chance of precipitation

    Patchy fog before 8am. Sunny. High near 68, with temperatures falling to around 65 in the afternoon. Southwest wind 6 to 12 mph.

  3. Wednesday Night
    60°F
    Partly Cloudy
    2% chance of precipitation

    Partly cloudy, with a low around 60. Southwest wind around 9 mph.

  4. Thursday
    68°F
    Mostly Cloudy then Slight Chance Rain Showers
    18% chance of precipitation

    A slight chance of rain showers after 1pm. Mostly cloudy. High near 68, with temperatures falling to around 65 in the afternoon. Southwest wind 7 to 13 mph. Chance of precipitation is 20%.

  5. Thursday Night
    63°F
    Rain Showers
    83% chance of precipitation

    Rain showers. Mostly cloudy, with a low around 63. Southwest wind around 12 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

  6. Friday
    66°F
    Showers And Thunderstorms
    93% chance of precipitation

    Rain showers before 10am, then showers and thunderstorms. Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

  7. Friday Night
    57°F
    Showers And Thunderstorms
    93% chance of precipitation

    Showers and thunderstorms. Cloudy, with a low around 57. Chance of precipitation is 90%.

  8. Saturday
    64°F
    Rain Showers Likely
    71% chance of precipitation

    Rain showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

  9. Saturday Night
    46°F
    Chance Rain Showers
    36% chance of precipitation

    A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

  10. Sunday
    60°F
    Slight Chance Rain Showers then Mostly Sunny
    20% chance of precipitation

    A slight chance of rain showers before 7am. Mostly sunny, with a high near 60.

  11. Sunday Night
    42°F
    Partly Cloudy then Slight Chance Light Rain
    16% chance of precipitation

    A slight chance of rain after 1am. Partly cloudy, with a low around 42.

  12. Monday
    58°F
    Chance Light Rain
    30% chance of precipitation

    A chance of rain. Mostly sunny, with a high near 58. Chance of precipitation is 30%.

  13. Monday Night
    42°F
    Chance Light Rain
    30% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.

  14. Tuesday
    58°F
    Chance Light Rain
    28% chance of precipitation

    A chance of rain before 1pm. Mostly sunny, with a high near 58.

Issued by the National Weather Service (OKX office), updated .

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About Groton

Population (2020 Census)
9,387
Coordinates
41.325, -72.067
Elevation
3 ft
NWS forecast office
OKX
Time zone
America/New York
Sunrise today
6:23 AM EST
Sunset today
4:40 PM EST
Daylight today
10 h 17 min

Groton Weather Questions

What is the weather forecast for Groton, Connecticut?

Overnight: Patchy fog after 5am. Partly cloudy, with a low around 56. Southwest wind around 7 mph. Wednesday: Patchy fog before 8am. Sunny. High near 68, with temperatures falling to around 65 in the afternoon. Southwest wind 6 to 12 mph.

Will it rain or snow in Groton this week?

The best chance of precipitation is Friday at 93%. Periods with a 30% chance or more: Thursday Night (83%), Friday (93%), Friday Night (93%), Saturday (71%), Saturday Night (36%), Monday (30%), Monday Night (30%).

How warm and how cold will it get in Groton this week?

The warmest day is Wednesday, with a high near 68°F. The coldest night is Sunday Night, with a low near 42°F.

What time are sunrise and sunset in Groton today?

Sunrise is at 6:23 AM EST and sunset is at 4:40 PM EST, for 10 h 17 min of daylight.

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