Weather forecast for tomorrowPort Jefferson Station, NY
Weather forecast for tomorrow
Monday Oct 19, 2026
- 63°F
- 50°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphNE 38°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:05 pm EDT
- details ▼
On Monday, in Port Jefferson Station, blue skies and warm sunshine will define the conditions.
The highest temperature will be an enjoyable 62.6°F, while the lowest anticipated temperature is a cool 50°F.
The high is forecasted 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 an enjoyable 62.6°F, while the lowest anticipated temperature is a cool 50°F.
The high is forecasted 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 period: 3 pm - 6 pm 59°C.
Coldest hour: 3 am 45°C.
Coldest hour: 3 am 45°C.
Chance of precipitation
Highest chance: 3 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphE 96°
- Humidity: 71%
- 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: 4mphE 80°
- 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: 6mphENE 60°
- Humidity: 82%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 46°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphNE 43°
- Humidity: 78%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:08 am
- 8 am
- 48°F
- Feels like:41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphNE 36°
- Humidity: 77%
- 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
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNE 41°
- Humidity: 54%
- 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 41°
- Humidity: 50%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 61°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 41°
- Humidity: 51%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNE 37°
- Humidity: 57%
- 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: 14mphNE 39°
- Humidity: 66%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNE 35°
- Humidity: 68%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of bright and gloomy weather is anticipated.
The temperature will vary between a minimum of 44.6°F and a maximum of 60.8°F. The warmest part of the day will be at 4 pm and 5 pm.
The maximum temperature will be alike with the average high of 62.6°F in October. The nighttime low will be also relatively lower than the typical October minimum temperature of 55.4°F.
The temperature will vary between a minimum of 44.6°F and a maximum of 60.8°F. The warmest part of the day will be at 4 pm and 5 pm.
The maximum temperature will be alike with the average high of 62.6°F in October. The nighttime low will be also relatively lower than the typical October minimum temperature of 55.4°F.
Updated: Oct 18, 2026 @ 16:31:00 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, in Port Jefferson Station, a crisp, sunny atmosphere is likely.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 50°F.
The maximum temperature will be in line with the average highest temperature of 62.6°F in October. The lowest temperature will be a few degrees lower than the average low of 55.4°F.
The maximum temperature will be in line with the average highest temperature of 62.6°F in October. The lowest temperature will be a few degrees 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).
In Port Jefferson Station, the length of the day tomorrow will be 10h and 58min.
