Weather forecast for tomorrowGroton, MA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 61°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphNE 36°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:04 am EDT
  • Sunset: 5:58 pm EDT
  • ▼
Tomorrow, on Monday, expect plenty of sunshine and only a few scattered clouds.
Temperature fluctuations between a breezy 60.8°F and a wintry 39.2°F are forecasted.
The highest temperature is predicted to follow the average for October, around 59.9°F.
Sunrise will be at 7:04 am and sunset at 5:58 pm; tomorrow's daylight will last for 10h and 53min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 59°C.
Coldest period: 3 am - 6 am 34°C.

Chance of precipitation

Highest chance: 9 pm 7%.

Hourly weather forecast

  • 12 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphS 188°
  • Humidity: 86%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphSSW 212°
  • Humidity: 90%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphWSW 251°
  • Humidity: 90%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphWNW 288°
  • Humidity: 88%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:04 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphWNW 301°
  • Humidity: 88%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphN 2°
  • Humidity: 67%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 58°
  • Humidity: 52%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 70°
  • Humidity: 45%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphENE 70°
  • Humidity: 50%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:58 pm
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphENE 67°
  • Humidity: 67%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 45°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphENE 58°
  • Humidity: 90%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNNE 17°
  • Humidity: 92%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of dry and sunny and gloomy weather is forecasted.
The temperature will be between a minimum of 33.8°F and a maximum of 59°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will be in line with the average high of 59.9°F in October. The nighttime low will be also moderately lower than the typical October minimum temperature of 44.6°F.
Updated: Oct 18, 2026 @ 04:43:16 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Groton, sunshine will dominate, with only occasional cloud cover.

Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 39.2°F.
The highest temperature will be in line with the average maximum of 59.9°F in October. The lowest temperature will be relatively lower than the average low of 44.6°F.

On Monday, in Groton, sunrise will be at 7:04 am and sunset at 5:58 pm (EDT).

In Groton, the length of the day tomorrow will be 10h and 53min.