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Groton Weather Warning NWS WEATHER ALERT FOR THE GROTON, CT AREA - Issued: 1202 PM EDT Sun Sep 27 2026 Groton Weather Warning

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Groton, CT Weather - Hour by Hour Forecast

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Groton, CT Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Fog And Mist. Temperature is 65°F18°C, dew point 64°F18°C, humidity 97%. Wind direction is NE at 18 mph29 km/h with visibility of 3.00 mi5 km. Barometric pressure is 29.71 in1006 mb.
Today - Showers this morning, then showers with a chance of thunderstorms this afternoon. Windy with highs in the upper 60s. Northeast win.. Full Forecast
Tonight - Showers with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in .. Full Forecast

Groton Hourly Weather

24 Hour Forecast Scroll
Sun, Sep 27
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Groton, CT Hourly Weather - Cloudy - 12:00 PM Groton, CT Hourly Weather - Cloudy - 1:00 PM Groton, CT Hourly Weather - Cloudy - 2:00 PM Groton, CT Hourly Weather - Cloudy - 3:00 PM Groton, CT Hourly Weather - Cloudy - 4:00 PM Groton, CT Hourly Weather - Cloudy - 5:00 PM Groton, CT Hourly Weather - Cloudy - 6:00 PM Groton, CT Hourly Weather - Cloudy - 7:00 PM Groton, CT Hourly Weather - Cloudy - 8:00 PM Groton, CT Hourly Weather - Cloudy - 9:00 PM Groton, CT Hourly Weather - Cloudy - 10:00 PM Groton, CT Hourly Weather - Cloudy - 11:00 PM Groton, CT Hourly Weather - Cloudy - 12:00 AM Groton, CT Hourly Weather - Cloudy - 1:00 AM Groton, CT Hourly Weather - Cloudy - 2:00 AM Groton, CT Hourly Weather - Cloudy - 3:00 AM Groton, CT Hourly Weather - Cloudy - 4:00 AM Groton, CT Hourly Weather - Cloudy - 5:00 AM Groton, CT Hourly Weather - Cloudy - 6:00 AM Groton, CT Hourly Weather - Cloudy - 7:00 AM Groton, CT Hourly Weather - Cloudy - 8:00 AM Groton, CT Hourly Weather - Cloudy - 9:00 AM Groton, CT Hourly Weather - Cloudy - 10:00 AM Groton, CT Hourly Weather - Cloudy - 11:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
64°F18°C 65°F18°C 65°F18°C 65°F18°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 61°F16°C 62°F17°C 63°F17°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
81% 81% 81% 100% 100% 100% 100% 100% 100% 85% 85% 85% 85% 85% 85% 100% 100% 100% 100% 100% 100% 74% 74% 74%
61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C
90% 87% 87% 84% 84% 81% 84% 81% 84% 87% 87% 90% 90% 93% 93% 93% 93% 93% 93% 93% 93% 90% 87% 84%
ENE ENE ENE ENE ENE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
13 mph 16 mph 16 mph 16 mph 14 mph 14 mph 14 mph 13 mph 13 mph 13 mph 15 mph 15 mph 15 mph 15 mph 15 mph 15 mph 13 mph 13 mph 13 mph 13 mph 13 mph 13 mph 12 mph 12 mph
5 mi8 km 5 mi8 km 5 mi8 km 3 mi5 km 3 mi5 km .75 mi1 km .75 mi1 km 3 mi5 km 3 mi5 km 3 mi5 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 3 mi5 km 3 mi5 km 3 mi5 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km
Hour (EDT)
Weather
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POP
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POP = Probability of Precipitation. ** Indicates missing data/values from KGON model statistics.

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Prob Precip % = Probability of Precipitation.

Groton 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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