Weather forecast for tomorrowHoltsville, NY
Weather forecast for tomorrow
Monday Oct 19, 2026
- 61°F
- 50°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 16mphNE 34°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:06 pm EDT
- details ▼
On Monday, in Holtsville, sunshine will take center stage, with just faint traces of clouds.
The highest temperature will be a breezy 60.8°F, while the lowest temperature will be a cool 50°F.
The high temperature is predicted to match October's standard maximum of 62.4°F.
Sunrise will be at 7:08 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 58min.
The highest temperature will be a breezy 60.8°F, while the lowest temperature will be a cool 50°F.
The high temperature is predicted to match October's standard maximum of 62.4°F.
Sunrise will be at 7:08 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 45°C.
Coldest period: 3 am - 6 am 45°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphENE 61°
- Humidity: 71%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 55°
- Humidity: 76%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphNE 47°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNE 41°
- Humidity: 84%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:08 am
- 8 am
- 46°F
- Feels like:43°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphNNE 34°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 37°
- Humidity: 62%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 57°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNE 36°
- Humidity: 50%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 59°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNE 34°
- Humidity: 49%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 59°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 38°
- Humidity: 50%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNNE 29°
- Humidity: 60%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:06 pm
- 8 pm
- 54°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNNE 30°
- Humidity: 68%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNNE 27°
- Humidity: 68%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of cloud-filled and mostly clear weather is anticipated.
The temperature will be between the lowest temperature of 44.6°F and the highest temperature of 60.8°F. The warmest part of the day will be around 3 pm.
The maximum temperature will be alike with the average high of 62.4°F in October. The minimum temperature will be more similar to November's average low of 45°F than October's typical 55.8°F.
The temperature will be between the lowest temperature of 44.6°F and the highest temperature of 60.8°F. The warmest part of the day will be around 3 pm.
The maximum temperature will be alike with the average high of 62.4°F in October. The minimum temperature will be more similar to November's average low of 45°F than October's typical 55.8°F.
Updated: Oct 18, 2026 @ 17:29:13 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
Tomorrow, sunshine will prevail for most of the day.
Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 50°F.
The highest temperature will be in line with the average maximum of 62.4°F in October. The lowest temperature will be a couple of degrees lower than the average low of 55.8°F.
The highest temperature will be in line with the average maximum of 62.4°F in October. The lowest temperature will be a couple of degrees lower than the average low of 55.8°F.
On Monday, in Holtsville, sunrise will be at 7:08 am and sunset at 6:06 pm (EDT).
Tomorrow, the daylight will last for 10h and 58min.
