Weather forecast for 10 daysHoltsville, NY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 43°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNNE 33°
- Humidity: 39%
- UV index: 4
- Sunrise: 7:06 am EDT
- Sunset: 6:07 pm EDT
- details ▼
Today, expect bright skies and plenty of sunshine.
The maximum temperature will be a mild 55.4°F, while the minimum anticipated temperature is a frosty 42.8°F.
The day’s maximum of 55.4°F shows a shift toward November's pattern over October's.
Sunrise was at 7:06 am and sunset will be at 6:07 pm; the daylight will last for 11h and 1min.
The maximum temperature will be a mild 55.4°F, while the minimum anticipated temperature is a frosty 42.8°F.
The day’s maximum of 55.4°F shows a shift toward November's pattern over October's.
Sunrise was at 7:06 am and sunset will be at 6:07 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Maximum temperature: 66°C.
Coldest day: today 55°C.
Coldest day: today 55°C.
Chance of precipitation
Highest chance: Thursday 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 55°F
- 43°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNNE 33°
- Humidity: 39%
- UV index: 4
- Sunrise: 7:06 am EDT
- Sunset: 6:07 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 17mphNE 34°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:06 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphNNE 22°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 6:04 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 59°F
- 46°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 19mphNNE 31°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 6:03 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 45°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphN 10°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:11 am EDT
- Sunset: 6:01 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 41°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNNE 15°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:12 am EDT
- Sunset: 6:00 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNNE 30°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:13 am EDT
- Sunset: 5:58 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 45°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphNNW 330°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:14 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 48°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphNW 313°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:15 am EDT
- Sunset: 5:56 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 46°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphN 2°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:17 am EDT
- Sunset: 5:54 pm EDT
- details ▼
A combination of dry and sunny and cloudy weather is expected.
Rainfall is not predicted in Holtsville in the upcoming period.
In the coming days, the highest temperature will vary between 55.4°F and 66.2°F, while the minimum temperature is forecast to range between 41°F and 50°F.
Tuesday and next Monday, with the highest temperature of 66.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 55.4°F.
Rainfall is not predicted in Holtsville in the upcoming period.
In the coming days, the highest temperature will vary between 55.4°F and 66.2°F, while the minimum temperature is forecast to range between 41°F and 50°F.
Tuesday and next Monday, with the highest temperature of 66.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: Oct 18, 2026 @ 14:15:09 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, sunshine is forecasted under mostly clear skies.
Today, the highest temperature will be 55.4°F, while the lowest temperature will be 42.8°F.
Today, the highest temperature will be moderately lower than the average maximum temperature in October. The lowest temperature today will be noticeably lower than the average low of 55.8°F.
Today, the highest temperature will be moderately lower than the average maximum temperature in October. The lowest temperature today will be noticeably lower than the average low of 55.8°F.
On Sunday, in Holtsville, sunrise was at 7:06 am and sunset will be at 6:07 pm (EDT).
Today, the daylight will last for 11h and 1min.
