Weather forecast for 10 daysRoslyn Harbor, NY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 57°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNNE 29°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 6:09 pm EDT
- details ▼
On Sunday, in Roslyn Harbor, clear skies and sunshine are anticipated.
The highest temperature will be a refreshing 57.2°F, while the lowest predicted temperature is a brisk 44.6°F.
Today's peak is anticipated to be slightly cooler than the regular high for October at 63°F.
Sunrise will be at 7:09 am and sunset at 6:09 pm; the daylight will last for 11h and 1min.
The highest temperature will be a refreshing 57.2°F, while the lowest predicted temperature is a brisk 44.6°F.
Today's peak is anticipated to be slightly cooler than the regular high for October at 63°F.
Sunrise will be at 7:09 am and sunset at 6:09 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Warmest day: Tuesday 68°C.
Minimum temperature: 57°C.
Minimum temperature: 57°C.
Chance of precipitation
Highest chance: Thursday 13%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 57°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNNE 29°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 6:09 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 50°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphNNE 31°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 6:08 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphNNE 20°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:11 am EDT
- Sunset: 6:07 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 61°F
- 46°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 17mphNNE 29°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:12 am EDT
- Sunset: 6:05 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 46°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 13mphN 4°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:13 am EDT
- Sunset: 6:04 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 59°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 13mphNNE 13°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:14 am EDT
- Sunset: 6:02 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 41°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphNNE 31°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:16 am EDT
- Sunset: 6:01 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphNNW 331°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:17 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphNW 324°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:18 am EDT
- Sunset: 5:58 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphN 358°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:19 am EDT
- Sunset: 5:57 pm EDT
- details ▼
Weather models show that a combination of sunny and cloud-filled weather is anticipated.
Rainfall is not predicted in Roslyn Harbor in the upcoming days.
In the upcoming period, the maximum temperature will range between 57.2°F and 68°F, while the lowest temperature will be between 41°F and 50°F.
With the highest temperature of 68°F, Tuesday will be the warmest day; Sunday and Saturday, with the highest temperature of 57.2°F, will be the coldest days.
Rainfall is not predicted in Roslyn Harbor in the upcoming days.
In the upcoming period, the maximum temperature will range between 57.2°F and 68°F, while the lowest temperature will be between 41°F and 50°F.
With the highest temperature of 68°F, Tuesday will be the warmest day; Sunday and Saturday, with the highest temperature of 57.2°F, will be the coldest days.
Updated: Oct 18, 2026 @ 10:20:55 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
On Sunday, bright and sunny weather is expected.
Today, the highest temperature in Roslyn Harbor will be 57.2°F, while the lowest temperature will be 44.6°F.
The maximum temperature today will be a few degrees lower than the average highest temperature in October. Today, the lowest temperature will be also a few degrees lower than the average low temperature.
The maximum temperature today will be a few degrees lower than the average highest temperature in October. Today, the lowest temperature will be also a few degrees lower than the average low temperature.
On Sunday, in Roslyn Harbor, sunrise will be at 7:09 am and sunset at 6:09 pm (EDT).
In Roslyn Harbor, the length of the day today will be 11h and 1min.





