Groton Weather Today — Connecticut, United States
Current temperature, rain chance, humidity, wind and air quality in Groton, plus an hourly and 3-day forecast. Updated through the day.
05:27
Sat, 19 Sep 2026
📍 Connecticut, United States
Groton??
9
°C
Clear
Feels 8°C · 49°F
💧 66% Humidity
💨 ↑ 6.8 km/h N
👁 10 km Visibility
🌧 0 mm Precip
☁ 15% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1022
hPa · 30.18 in
💨 Wind
6.8
km/h · Gust 11.2 km/h
↑ N
💧 Humidity
66%
Dew point 3.1°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
9.2°
Wind chill 8.3°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:30 AM
🌇
Sunset
06:49 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Sunny
20°
/
8°
💧54%
🌧0mm
💨12
☀️UV 5.8
Sunday
20 Sep 2026
Overcast
16°
/
8°
💧80%
🌧5.24mm
💨11
☀️UV 1.3
Monday
21 Sep 2026
Overcast
18°
/
10°
💧86%
🌧7.6mm
💨13
☀️UV 5.1
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