Weather forecast for tomorrowPort Jefferson, OH
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphE 97°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:51 am EDT
- Sunset: 6:50 pm EDT
- details ▼
Tomorrow, on Monday, October 19, clear and sunny conditions are also expected.
Day and night temperatures will contrast sharply, ranging from a peak of an agreeable 68°F to a low of a wintry 39.2°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:51 am and sunset at 6:50 pm; tomorrow's daylight will last for 10h and 59min.
Day and night temperatures will contrast sharply, ranging from a peak of an agreeable 68°F to a low of a wintry 39.2°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:51 am and sunset at 6:50 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 157°
- Humidity: 72%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphSSE 163°
- Humidity: 76%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSE 162°
- Humidity: 82%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSSE 164°
- Humidity: 84%
- Pressure: 30.45"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 7:51 am
- 8 am
- 37°F
- Feels like:37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphSSE 159°
- Humidity: 86%
- Pressure: 30.45"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphSSE 147°
- Humidity: 66%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphE 80°
- Humidity: 45%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 54°
- Humidity: 36%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 59°
- Humidity: 34%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNE 28°
- Humidity: 38%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:50 pm
- 8 pm
- 55°F
- Feels like:55°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNNE 28°
- Humidity: 59%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNE 35°
- Humidity: 68%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, clear skies and sunny weather are expected.
The temperature will be between a minimum of 37.4°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The day’s peak temperature will reflect September's norm of 73.6°F more than October's 61.7°F. The lowest temperature is more consistent with November's average minimum of 34.9°F than the usual minimum of 46°F in October.
The temperature will be between a minimum of 37.4°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The day’s peak temperature will reflect September's norm of 73.6°F more than October's 61.7°F. The lowest temperature is more consistent with November's average minimum of 34.9°F than the usual minimum of 46°F in October.
Updated: Oct 18, 2026 @ 04:44:13 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, sunny and dry conditions are anticipated.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 39.2°F.
The highest temperature will be a few degrees higher than the average maximum of 61.7°F in October. The lowest temperature will be also a few degrees lower than the average low of 46°F.
The highest temperature will be a few degrees higher than the average maximum of 61.7°F in October. The lowest temperature will be also a few degrees lower than the average low of 46°F.
On Monday, in Port Jefferson, sunrise will be at 7:51 am and sunset at 6:50 pm (EDT).
In Port Jefferson, tomorrow, there will be 10h and 59min of daylight.





