10-Day Weather Forecast for Groton (CT)

Six-hourly outlook through Thursday 10 September. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Tuesday
1 Sep
Heavy rain
20°C (68°F)
6 mm (0.2 in)
Heavy rain
23°C (73°F)
24 mm (0.9 in)
Partly cloudy
18°C (64°F)
0.3 mm (0.01 in)
Hourly ›
Wednesday
2 Sep
Mostly clear
17°C (63°F)
0 mm (0 in)
Partly cloudy
17°C (63°F)
0 mm (0 in)
Partly cloudy
23°C (73°F)
0 mm (0 in)
Partly cloudy
18°C (64°F)
0 mm (0 in)
Hourly ›
Thursday
3 Sep
Rain
17°C (63°F)
3.2 mm (0.1 in)
Light rain
20°C (68°F)
0.5 mm (0.02 in)
Rain
23°C (73°F)
2 mm (0.1 in)
Mostly clear
22°C (72°F)
0.3 mm (0.01 in)
Hourly ›
Friday
4 Sep
Clear skies
21°C (70°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0 mm (0 in)
Mostly sunny
26°C (79°F)
0 mm (0 in)
Clear skies
22°C (72°F)
0 mm (0 in)
Hourly ›
Saturday
5 Sep
Clear skies
18°C (64°F)
0 mm (0 in)
Clear skies
18°C (64°F)
0 mm (0 in)
Partly cloudy
23°C (73°F)
0 mm (0 in)
Clear skies
19°C (66°F)
0.1 mm (0 in)
Hourly ›
Sunday
6 Sep
Clear skies
16°C (61°F)
0 mm (0 in)
Clear skies
16°C (61°F)
0 mm (0 in)
Partly cloudy
23°C (73°F)
0 mm (0 in)
Mostly clear
18°C (64°F)
0 mm (0 in)
Hourly ›
Monday
7 Sep
Mostly clear
18°C (64°F)
0 mm (0 in)
Mostly sunny
20°C (68°F)
0.1 mm (0 in)
Light rain
24°C (75°F)
0.9 mm (0.04 in)
Rain
22°C (72°F)
4.5 mm (0.2 in)
Hourly ›
Tuesday
8 Sep
Partly cloudy
20°C (68°F)
0 mm (0 in)
Clear skies
18°C (64°F)
0 mm (0 in)
Clear skies
22°C (72°F)
0 mm (0 in)
Partly cloudy
16°C (61°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Mostly clear
13°C (55°F)
0 mm (0 in)
Clear skies
13°C (55°F)
0 mm (0 in)
Partly cloudy
21°C (70°F)
0 mm (0 in)
Clear skies
16°C (61°F)
0 mm (0 in)
Hourly ›
Thursday
10 Sep
Partly cloudy
15°C (59°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Groton this week?

Today's weather - Tuesday 1 Sep

For Tuesday the predicted weather in Groton is heavy rain during the morning and afternoon. The maximum temperature is a warm 23°C (73°F), while the minimum temperature is a mild 18°C (64°F).

Tomorrow's weather - Wednesday 2 Sep

The forecast for Groton on Wednesday is partly cloudy. High temperatures will reach a warm 23°C (73°F), with lows dropping to around 17°C (63°F).

10-Day Weather Forecast

During the next 10 days, temperatures will reach 26°C (79°F) on Friday before declining again, with average highs of 23°C (73°F) and lows of 18°C (64°F). These values are typical for September. The next 10 days will feature plenty of sunshine. Rainfall is expected to be more than usual (compared to typical September conditions). The forecast shows mixed conditions, with some heavy rain showers especially on Tue, Thu, Mon. Precipitation is likely on approximately 3 days (Tue, Thu, Mon).

Weather Forecast FAQ for Groton

When will be the warmest day next week?

The warmest day is expected to be Friday with a high of 26°C (79°F).

When will be the coldest day?

The coldest day is forecasted for Sunday with a low of 16°C (61°F).

Will it rain next week in Groton?

Yes, rain is expected on 3 days , specifically on Tue, Thu, Mon.

How much rainfall is expected next week?

A total of 42 mm (1.7 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 16°C (61°F) to 26°C (79°F).

More about Groton

Explore the full Groton climate overview with monthly averages, or check rainfall data and temperature by month.

Groton weather by month

Browse monthly averages for Groton: climate by month with temperature, rainfall and sunshine.

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