Weather forecast for 10 daysGroton, MA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • min.
  • 28°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphNNW 327°
  • Humidity: 58%
  • UV index: 0
  • Sunrise: 7:02 am EDT
  • Sunset: 6:01 pm EDT
  • ▼
In Groton, for the remainder of the afternoon, expect a flawless blue sky throughout the day.
The lowest expected temperature is a subzero 28.4°F.
Sunrise was at 7:02 am and sunset will be at 6:01 pm; the daylight will last for 10h and 59min.

Sunday Oct 18, 2026

  • 57°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSW 234°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:03 am EDT
  • Sunset: 5:59 pm EDT
  • ▼
Tomorrow, on Sunday, October 18, conditions will remain bright with clear skies.
Temperature is expected to swing from a high of a mild 57.2°F to a low of an icy 32°F.
Tomorrow, the expected maximum temperature should be consistent with October's typical high of 59.9°F.
Sunrise will be at 7:03 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 56min.

10-day overview

Daily temperatures

Warmest day: Monday 26.10. 66°C.
Minimum temperature: 57°C.

Chance of precipitation

Highest chance: Thursday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 28°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphNNW 327°
  • Humidity: 58%
  • UV index: 0
  • Sunrise: 7:02 am EDT
  • Sunset: 6:01 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 57°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSW 234°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:03 am EDT
  • Sunset: 5:59 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 61°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphNE 36°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:04 am EDT
  • Sunset: 5:58 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphNNE 18°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:05 am EDT
  • Sunset: 5:56 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 57°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphNE 35°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:06 am EDT
  • Sunset: 5:54 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphN 0°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:08 am EDT
  • Sunset: 5:53 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 59°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 9mphN 5°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:09 am EDT
  • Sunset: 5:51 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 57°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 7mphN 11°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:10 am EDT
  • Sunset: 5:50 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 7mphNNW 347°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:11 am EDT
  • Sunset: 5:49 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 7mphNW 323°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:12 am EDT
  • Sunset: 5:47 pm EDT
  • ▼
For the next ten days, a combination of clear and dull weather is forecasted.
Rainfall is not predicted in Groton in the upcoming period.
In the coming days, the maximum temperature will vary between 57.2°F and 66.2°F, while the difference in minimum temperatures will be substantial, as the lowest temperatures will be recorded between 28.4°F and 41°F.
With the highest temperature of 66.2°F, next Monday will be the warmest day; Sunday, Wednesday and next Saturday, with the highest temperature of 57.2°F, will be the coldest days.
Updated: Oct 17, 2026 @ 19:47:11 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine is forecasted under mostly clear skies.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 32°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 44.6°F.

On Sunday, in Groton, sunrise will be at 7:03 am and sunset at 5:59 pm (EDT).

In Groton, tomorrow, there will be 10h and 56min of daylight.