Weather forecast for tomorrowGroton, MA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 55°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSW 220°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:03 am EDT
  • Sunset: 5:59 pm EDT
  • ▼
On Sunday, in Groton, sunny skies and pleasant visibility are also expected.
The temperature scale will run from a maximum of a refreshing 55.4°F to a minimum of a wintry 32°F.
The expected high will be a couple of degrees lower than October's standard temperature 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.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest hour: 6 am 28°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 12 am
  • 34°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphNNW 337°
  • Humidity: 66%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 32°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNW 328°
  • Humidity: 69%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 30°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphNW 316°
  • Humidity: 75%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 28°F
  • Feels like:
    28°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphWNW 303°
  • Humidity: 75%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:03 am
  • 8 am
  • 32°F
  • Feels like:
    32°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphWSW 251°
  • Humidity: 76%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 0mphNW 311°
  • Humidity: 52%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSE 144°
  • Humidity: 38%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSW 196°
  • Humidity: 35%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 205°
  • Humidity: 38%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSE 154°
  • Humidity: 55%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 162°
  • Humidity: 72%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphS 179°
  • Humidity: 81%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, bright and mostly sunny weather is expected.
The temperature will be between the lowest temperature of 28.4°F and the highest temperature of 55.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature tomorrow will be a couple of degrees lower than October's typical maximum temperature. The minimum temperature will be more alike with November's average low of 34.3°F than October's typical 44.6°F.
Updated: Oct 18, 2026 @ 00:48:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Groton, conditions will remain bright with clear skies.

Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 32°F.
The maximum temperature will be slightly cooler than the average highest temperature of 59.9°F in October. The lowest temperature tomorrow will be significantly 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, the length of the day tomorrow will be 10h and 56min.