Weather forecast for 10 daysThreemile Harbor, NY

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 55°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphNE 42°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:03 am EDT
  • Sunset: 6:03 pm EDT
  • ▼
Today, in Threemile Harbor, sunny conditions are expected to continue.
Temperature is forecasted to swing from a high of a mild 55.4°F to a low of a frosty 44.6°F.
On today, conditions will be colder with a temperature more like November's typical high of 52.5°F.
Sunrise was at 7:03 am and sunset will be at 6:03 pm; the daylight will last for 11h and 0min.

10-day overview

Daily temperatures

Warmest day: Tuesday 63°C.
Minimum temperature: 55°C.

Chance of precipitation

Highest chance: Thursday 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 55°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphNE 42°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:03 am EDT
  • Sunset: 6:03 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 59°F
  • 50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 17mphNE 47°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:04 am EDT
  • Sunset: 6:02 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 17mphNNE 29°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:05 am EDT
  • Sunset: 6:00 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 57°F
  • 46°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 17%
  • Precipitation: 0.08"
  • Wind: 21mphNE 39°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:07 am EDT
  • Sunset: 5:59 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 15mphNNE 13°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:08 am EDT
  • Sunset: 5:58 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 55°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 16mphNNE 22°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:09 am EDT
  • Sunset: 5:56 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 55°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphNE 37°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:10 am EDT
  • Sunset: 5:55 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 59°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphNNW 334°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:11 am EDT
  • Sunset: 5:53 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 61°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphNW 307°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:12 am EDT
  • Sunset: 5:52 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 61°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphN 358°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:13 am EDT
  • Sunset: 5:51 pm EDT
  • ▼
During the upcoming ten-day period, a combination of dry and sunny and overcast weather is predicted.
With a probability of 17%, rainfall is forecasted only for Wednesday. The precipitation will be minimal at 0.08".
In the coming days, the maximum temperature will vary between 55.4°F and 62.6°F, while the forecast minimum temperature falls between 42.8°F and 50°F.
With the highest temperature of 62.6°F, Tuesday will be the warmest day; with a maximum temperature of 55.4°F, Sunday, Friday and Saturday will be the coldest days in Threemile Harbor.
Updated: Oct 18, 2026 @ 11:12:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, clear skies and sunshine are anticipated.

Today, the highest temperature will be 55.4°F, while the lowest temperature will be 44.6°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 62.2°F in October. The lowest temperature will be noticeably lower than the average low of 56.3°F.

On Sunday, in Threemile Harbor, sunrise was at 7:03 am and sunset will be at 6:03 pm (EDT).

In Threemile Harbor, the length of the day today will be 11h and 0min.