Weather forecast for 10 daysGroton, NY

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 59°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSSW 193°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
On Sunday, October 18, sunshine is forecasted under mostly clear skies.
Temperature span will be from a high of a moderate 59°F to a low of a cold 33.8°F.
The predicted maximum temperature will closely reflect October's average high of 57°F.
Sunrise will be at 7:22 am and sunset at 6:18 pm; the daylight will last for 10h and 56min.

10-day overview

Daily temperatures

Warmest day: tomorrow 66°C.
Coldest day: Friday 55°C.

Chance of precipitation

Highest chance: 20%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 59°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSSW 193°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSW 216°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 9mphN 0°
  • Humidity: 71%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 61°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphNNE 22°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:14 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 9mphNNW 335°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 7:27 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 55°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphN 0°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:28 am EDT
  • Sunset: 6:11 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 57°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSE 135°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:29 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphS 190°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:30 am EDT
  • Sunset: 6:08 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 6mphWNW 292°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:32 am EDT
  • Sunset: 6:06 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 7mphNNW 330°
  • Humidity: 73%
  • UV index: 3
  • Sunrise: 7:33 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
Forecasts for the ten-day outlook show that a combination of sunny and overcast weather is expected.
Rain is not anticipated in Groton in the upcoming period.
In the coming days, the highest temperature will vary between 55.4°F and 66.2°F, while the lowest night temperatures will vary significantly, as the overnight lows will vary from 28.4°F to 41°F.
Expect the warmest day on Monday, with temperatures peaking at 66.2°F; Friday will be the coldest day, with the highest temperature of 55.4°F.
Updated: Oct 18, 2026 @ 04:36:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Groton, skies are expected to be clear and full of sunshine.

Today, the highest temperature will be 59°F, while the lowest temperature will be 33.8°F.
The highest temperature will be in line with the average maximum of 57°F in October. The lowest temperature today will be relatively lower than the average low temperature.

On Sunday, in Groton, sunrise will be at 7:22 am and sunset at 6:18 pm (EDT).

Today, the daylight will last for 10h and 56min.