Weather forecast for tomorrowPort Jefferson Station, NY
Weather forecast for tomorrow
Monday Oct 19, 2026
- 61°F
- 50°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphNE 37°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:05 pm EDT
- details ▼
Tomorrow, on Monday, mainly sunny conditions will dominate the day.
The highest temperature will be a comfortable 60.8°F, while the lowest anticipated temperature is a fresh 50°F.
The high is anticipated to coincide with October's normal of 62.6°F.
Sunrise will be at 7:08 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 58min.
The highest temperature will be a comfortable 60.8°F, while the lowest anticipated temperature is a fresh 50°F.
The high is anticipated to coincide with October's normal of 62.6°F.
Sunrise will be at 7:08 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 59°C.
Coldest hour: 3 am 45°C.
Coldest hour: 3 am 45°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphE 92°
- Humidity: 70%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphENE 75°
- Humidity: 73%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphENE 57°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 46°F
- Feels like:41°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphNE 42°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:08 am
- 8 am
- 46°F
- Feels like:41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphNE 36°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNE 37°
- Humidity: 63%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 57°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNE 40°
- Humidity: 53%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 59°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNE 39°
- Humidity: 50%
- 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 39°
- Humidity: 51%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 36°
- Humidity: 59%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:05 pm
- 8 pm
- 55°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNE 37°
- Humidity: 66%
- 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: 14mphNE 34°
- Humidity: 67%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of cloudy and dry and sunny weather is predicted.
The temperature will be between a minimum of 44.6°F and a maximum of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be comparable to October's average highest temperature of 62.6°F. Forecasts indicate a night temperature also a couple of degrees lower than the usual October minimum of 55.4°F.
The temperature will be between a minimum of 44.6°F and a maximum of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be comparable to October's average highest temperature of 62.6°F. Forecasts indicate a night temperature also a couple of degrees lower than the usual October minimum of 55.4°F.
Updated: Oct 18, 2026 @ 18:14:24 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 Monday, in Port Jefferson Station, expect plenty of sunshine and only a few scattered clouds.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 50°F.
The highest temperature will be in line with the average maximum of 62.6°F in October. The lowest temperature will be moderately lower than the average low of 55.4°F.
The highest temperature will be in line with the average maximum of 62.6°F in October. The lowest temperature will be moderately lower than the average low of 55.4°F.
On Monday, in Port Jefferson Station, sunrise will be at 7:08 am and sunset at 6:05 pm (EDT).
Tomorrow, the daylight will last for 10h and 58min.
