Weather forecast for 10 days
Port Jefferson, NY

Weather forecast for the weekend

Sunday, May 11.

Sunny
5:36 am

8:00 pm
EDT
Sunny
72°F / 52°F
  • Wind: 12mph NW
  • Humidity: 45%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 8
Tomorrow, on Sunday, May 11, sunshine will likely continue with scattered clouds at most.
The temperature will fluctuate from a high of an agreeable 71.6°F to a low of a crisp 51.8°F.
It will be warmer tomorrow, with temperatures aligning more closely with June's 71.2°F than May's 62.6°F.
Sunrise will be at 5:36 am and sunset at 8:00 pm; tomorrow's daylight will last for 14h and 25min.

Frequently asked questions

What is the weather forecast for Port Jefferson for the next ten days?
In Port Jefferson, a combination of dull, dry and sunny and damp weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Tuesday through next Saturday in Port Jefferson. The days with the most rainfall will be Tuesday and Wednesday, with light precipitation of 0.35".
How warm will it be in the next ten days?
The maximum temperature will range between 66.2°F and 73.4°F, while the minimum temperature will be between 51.8°F and 60.8°F.
What will be the warmest and the coldest days?
With a maximum temperature of 73.4°F, Friday through next Sunday will be the warmest days. Wednesday will be the coldest day, with a maximum temperature of 66.2°F.

Long-term weather forecast

SatMay 10.
  • min.
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph W
  • Humidity: 69%
  • UV index: 0
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:37 am 7:59 pm EDT
SunMay 11.
  • 72°F
  • 52°F
Sunny
Sunny
  • Wind: 12mph NW
  • Humidity: 45%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:36 am 8:00 pm EDT
MonMay 12.
  • 72°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph S
  • Humidity: 45%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:35 am 8:01 pm EDT
TueMay 13.
  • 68°F
  • 57°F
Showers
Showers
  • Wind: 10mph SE
  • Humidity: 75%
  • UV index: 4
  • Precip. probability: 41%
  • Precipitation: 0.35"
  • 5:34 am 8:02 pm EDT
WedMay 14.
  • 66°F
  • 59°F
Showers
Showers
  • Wind: 14mph E
  • Humidity: 81%
  • UV index: 4
  • Precip. probability: 53%
  • Precipitation: 0.35"
  • 5:33 am 8:03 pm EDT
ThuMay 15.
  • 70°F
  • 59°F
AM Showers
AM Showers
  • Wind: 7mph E
  • Humidity: 82%
  • UV index: 4
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • 5:32 am 8:04 pm EDT
FriMay 16.
  • 73°F
  • 61°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 10mph S
  • Humidity: 77%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • 5:31 am 8:05 pm EDT
SatMay 17.
  • 73°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 74%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 5:30 am 8:06 pm EDT
SunMay 18.
  • 73°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph WNW
  • Humidity: 60%
  • UV index: 8
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:29 am 8:07 pm EDT
MonMay 19.
  • 72°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph NW
  • Humidity: 58%
  • UV index: 8
  • Precip. probability: 12%
  • Precipitation: 0"
  • 5:28 am 8:08 pm EDT
overcast, sun-filled and damp weather is anticipated.
Rainfall is forecasted for Tuesday through next Saturday. With light precipitation of 0.35", Tuesday and Wednesday will be the wettest days.
In the coming days, the highest temperature will vary between 66.2°F and 73.4°F, while the forecast minimum temperature falls between 51.8°F and 60.8°F.
Friday through next Sunday, with the highest temperature of 73.4°F, will be the warmest days in Port Jefferson; the lowest daytime temperature of the period will be reached on Wednesday, peaking at 66.2°F.
Updated: May 11, 2025 @ 03:47:55 UTC
Published by: Weather Atlas | About Us
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