Port Jefferson Station, NY Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Port Jefferson Station, NY in one place.
Mostly cloudy, with a low around 70. West wind around 13 mph.
Local Weather Overview
This forecast page for Port Jefferson Station, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 19, 2026 4:53 AM EDT.
The active forecast window currently covers Jul 19 to Jul 25, 2026 for Port Jefferson Station, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 25, 2026
- Latest sync
- Jul 19, 2026 4:53 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Jefferson Station
Sunday looks like the warmest upcoming period in Port Jefferson Station at 83 degrees F.
Sunday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Sunday at about 7 to 16 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 19, 2026 4:53 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 83, with temperatures falling to around 80 in the afternoon. Northwest wind 7 to 16 mph.
Clear, with a low around 64. Northwest wind around 6 mph.
Sunny. High near 80, with temperatures falling to around 78 in the afternoon. Northeast wind 3 to 10 mph.
Partly cloudy, with a low around 67. South wind 5 to 9 mph.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Cloudy, with a low around 70. Chance of precipitation is 100%.
Showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 100%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
A chance of rain showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
A slight chance of rain showers. Partly cloudy, with a low around 66.
A slight chance of rain showers before 8am. Sunny, with a high near 82.
Partly cloudy, with a low around 67.
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 19
|
Mostly Cloudy
|
70°F |
13 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
83°F |
7 to 16 mph
NW
|
|
Sunday Night
Jul 19
|
Clear
|
64°F |
6 mph
NW
|
|
Monday
Jul 20
|
Sunny
|
80°F |
3 to 10 mph
NE
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
67°F |
5 to 9 mph
S
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely
|
80°F |
7 to 14 mph
SE
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
70°F |
13 mph
S
|
|
Wednesday
Jul 22
|
Showers And Thunderstorms
|
82°F |
13 mph
SW
|
|
Wednesday Night
Jul 22
|
Showers And Thunderstorms Likely
|
66°F |
6 to 12 mph
W
|
|
Thursday
Jul 23
|
Chance Rain Showers
|
80°F |
8 mph
NW
|
|
Thursday Night
Jul 23
|
Slight Chance Rain Showers
|
66°F |
5 mph
W
|
|
Friday
Jul 24
|
Slight Chance Rain Showers then Sunny
|
82°F |
6 mph
E
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
67°F |
1 to 5 mph
SW
|
|
Saturday
Jul 25
|
Slight Chance Rain Showers
|
83°F |
1 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Jefferson Station.
