How does NOAA issue severe storm watches for Groton?

The National Weather Service (NWS) monitors atmospheric instability across Connecticut. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Groton today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

CT, USAZIP 06340Live NOAA Station

Groton, CT

Q: What is the current temperature and forecast in Groton, Connecticut?

The current weather in Groton is around 61°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Overcast•Feels like 57°F-2° wind chill

65°F/53°F

13 mph 27°

77%Humidity

61°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Updated: 07:00 AM (America/New_York)

Daily Meteorological Briefing

Groton, CT

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across Groton, CT today.

Current temperature is 61°F (feels like 57°F), with daytime highs reaching 65°F and overnight lows around 53°F. Humidity is at 77%, with atmospheric pressure steady at 1026.3 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 7° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 0.8 • Moderate

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Hourly Forecast

Next 16 Hours

Now

55°F

1 AM

55°F

2 AM

55°F

3 AM

56°F

4 AM

56°F

5 AM

56°F

18%

6 AM

55°F

7 AM

55°F

8 AM

56°F

12%

9 AM

58°F

10 AM

60°F

11 AM

61°F

12 PM

60°F

1 PM

64°F

2 PM

65°F

3 PM

65°F

10-Day Forecast

Extended 10-day meteorological outlook

10-Day Range

Today

Sep 22

18%

53°F

65°F

Wed

Sep 23

50°F

63°F

Thu

Sep 24

51°F

67°F

Fri

Sep 25

34%

50°F

71°F

Sat

Sep 26

51%

52°F

70°F

Sun

Sep 27

51%

55°F

62°F

Mon

Sep 28

40%

56°F

66°F

Tue

Sep 29

10%

52°F

68°F

Wed

Sep 30

62°F

72°F

Thu

Oct 1

16%

65°F

74°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

UV IndexLow

0.8 / 11+

No protection neededPeak 1.05

Wind27°

13 mph

Wind Gusts:22 mph

Conditions:Breezy

Sun CycleDaylight

Sunrise06:35 AM

Sunset06:45 PM

Solar Noon:12:54 PM

HumidityHumid

77%

Dew Point:54°F

PressureSteady

30.31 inHg

Trend:Stable (+0.1 hPa)

VisibilityClear

12.6 mi

Haze:Minimal

Air Quality Index (AQI)Good

32US EPA Standard

Air quality is ideal for outdoor activities.

PM2.511 µg

OZONE67 µg

PM1015 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsGood

Pleasant conditions for light outdoor activities.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise02:35 AM

Daylight ~13h

Sunset02:45 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

Frequently Asked Questions - Groton, Connecticut

The current weather in Groton is around 61°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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