Weather forecast for 10 daysSag Harbor, NY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 54°F
- 43°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 38°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:04 am EDT
- Sunset: 6:04 pm EDT
- details ▼
On Sunday, in Sag Harbor, sunny and dry conditions are anticipated.
The temperature is expected to vary between a cool 53.6°F and a frosty 42.8°F.
Today, temperatures will feel colder as the forecast mirrors November's average high rather than October's.
Sunrise will be at 7:04 am and sunset at 6:04 pm; the daylight will last for 11h and 0min.
The temperature is expected to vary between a cool 53.6°F and a frosty 42.8°F.
Today, temperatures will feel colder as the forecast mirrors November's average high rather than October's.
Sunrise will be at 7:04 am and sunset at 6:04 pm; the daylight will last for 11h and 0min.
10-day overview
Daily temperatures
Warmest day: Tuesday 63°C.
Coldest day: today 54°C.
Coldest day: today 54°C.
Chance of precipitation
Highest chance: Thursday 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 54°F
- 43°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 38°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:04 am EDT
- Sunset: 6:04 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 48°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 17mphNE 49°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:05 am EDT
- Sunset: 6:02 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 48°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 17mphNNE 29°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:06 am EDT
- Sunset: 6:01 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 57°F
- 45°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0.08"
- Wind: 20mphNE 38°
- Humidity: 68%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 61°F
- 46°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 15mphN 10°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 5:58 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 43°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNNE 26°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 45°F
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 12mphNE 48°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 5:55 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 48°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 8mphN 359°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:12 am EDT
- Sunset: 5:54 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 61°F
- 50°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 9mphNW 321°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:13 am EDT
- Sunset: 5:52 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 46°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 10mphN 357°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:14 am EDT
- Sunset: 5:51 pm EDT
- details ▼
Ten-day trends indicate that a combination of dry and sunny and dull weather is forecasted.
With a probability of 19%, rainfall is forecasted only for Wednesday. Expected precipitation will be minimal at 0.08".
In the coming days, the maximum temperature will vary between 53.6°F and 62.6°F, while the forecast minimum temperature falls between 42.8°F and 50°F.
Expect the warmest day on Tuesday, with temperatures peaking at 62.6°F; today is the coldest day, with a maximum temperature of 53.6°F.
With a probability of 19%, rainfall is forecasted only for Wednesday. Expected precipitation will be minimal at 0.08".
In the coming days, the maximum temperature will vary between 53.6°F and 62.6°F, while the forecast minimum temperature falls between 42.8°F and 50°F.
Expect the warmest day on Tuesday, with temperatures peaking at 62.6°F; today is the coldest day, with a maximum temperature of 53.6°F.
Updated: Oct 18, 2026 @ 07:23:23 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Sag Harbor, bright and sunny weather is expected.
Today, the highest temperature will be 53.6°F, while the lowest temperature will be 42.8°F.
Today, the highest temperature will be a couple of degrees lower than the average maximum temperature in October. Today, the lowest temperature will be uncommonly lower than the average low of 56.3°F.
Today, the highest temperature will be a couple of degrees lower than the average maximum temperature in October. Today, the lowest temperature will be uncommonly lower than the average low of 56.3°F.
On Sunday, in Sag Harbor, sunrise will be at 7:04 am and sunset at 6:04 pm (EDT).
Today in Sag Harbor, the daylight will last for 11h and 0min.





