10-day forecast for Groton, CT: 36° to 60°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
58°
Best day: Sunday, November 8
47° · 0.8 in
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0858° / 48°0.01
Morning53°feels 51°
Afternoon57°feels 55°
Evening51°feels 49°
Overnight49°feels 44°
58 °
Groton, Sunday, 8 November
Light rain. High 58°, low 48°.
Pressure29.77 inHg
Wind13.9 mph W
Humidity53%
Visibility6.2 mi
Dew point42°
Mon, 0956° / 45°0.05
Morning48°feels 45°
Afternoon54°feels 51°
Evening47°feels 42°
Overnight48°feels 45°
56 °
Groton, Monday, 9 November
Light rain. High 56°, low 45°.
Pressure29.71 inHg
Wind12.1 mph W
Humidity78%
Visibility3.1 mi
Dew point44°
Tue, 1054° / 40°0
Morning44°feels 41°
Afternoon54°feels 52°
Evening49°feels 45°
Overnight43°feels 38°
54 °
Groton, Tuesday, 10 November
Overcast. High 54°, low 40°.
Pressure29.88 inHg
Wind7.6 mph W
Humidity55%
Visibility6.2 mi
Dew point38°
Wed, 1156° / 42°0
Morning46°feels 43°
Afternoon55°feels 52°
Evening51°feels 48°
Overnight46°feels 41°
56 °
Groton, Wednesday, 11 November
Mostly clear. High 56°, low 42°.
Pressure29.88 inHg
Wind9.6 mph NW
Humidity51%
Visibility6.2 mi
Dew point37°
Thu, 1254° / 39°0
Morning43°feels 39°
Afternoon51°feels 49°
Evening50°feels 47°
Overnight44°feels 38°
54 °
Groton, Thursday, 12 November
Overcast. High 54°, low 39°.
Pressure29.80 inHg
Wind14.2 mph NE
Humidity64%
Visibility—
Dew point38°
Fri, 1347° / 40°0.8
Morning41°feels 32°
Afternoon44°feels 37°
Evening46°feels 38°
Overnight41°feels 32°
47 °
Groton, Friday, 13 November
Rain. High 47°, low 40°.
Pressure29.41 inHg
Wind21 mph NE
Humidity95%
Visibility—
Dew point42°
Sat, 1442° / 40°0.21
Morning40°feels 31°
Afternoon40°feels 32°
Evening40°feels 34°
Overnight40°feels 33°
42 °
Groton, Saturday, 14 November
Light rain. High 42°, low 40°.
Pressure29.32 inHg
Wind22.2 mph NE
Humidity93%
Visibility—
Dew point39°
Sun, 1547° / 38°0
Morning40°feels 31°
Afternoon43°feels 36°
Evening44°feels 37°
Overnight41°feels 34°
47 °
Groton, Sunday, 15 November
Overcast. High 47°, low 38°.
Pressure29.71 inHg
Wind18.3 mph NW
Humidity73%
Visibility—
Dew point34°
Mon, 1646° / 36°0
Morning41°feels 34°
Afternoon42°feels 35°
Evening42°feels 35°
Overnight37°feels 31°
46 °
Groton, Monday, 16 November
Clear. High 46°, low 36°.
Pressure30.06 inHg
Wind16.6 mph NW
Humidity65%
Visibility—
Dew point31°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Groton, CT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.