Port Jefferson, NY Weather

As of

Weather Station:Stony Brook Univ Flax Pond Lab

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45degrees Fahrenheit

Feels like:43°F

Hi: 48Lo: 40

70% Chance of Light Rain

Live Weather Radar

Port Jefferson, NY weather radar map

Current Weather Details

Windchill
43°
Daily Rain
0.01"
Dew point
38°
Monthly Rain
0.59"
Humidity
75%
Avg. Wind
SE 3 mph
Pressure
30.09" →
Wind Gust
ESE 4 mph
Sunrise
5:58 AM
Moon
Waxing Gibbous
Sunset
7:42 PM
UV Index
3 (Moderate)

Weather Forecast

  • Today

    Hi

    Mostly cloudy. A chance of showers this morning then showers likely this afternoon. Highs in the lower 50s. Southeast winds 5 to 10 mph. Gusts up to 20 mph this afternoon. Chance of rain 70 percent.

  • Tonight

    Lo

    Showers. Lows around 40. East winds 5 to 10 mph. Gusts up to 20 mph after midnight. Chance of rain 90 percent.

Port Jefferson, NY 10-day weather forecast

AIR QUALITY

26 | Fair

Top Triggers:pm25
Air quality data provided by Ambee
View Today's Air Quality details for Port Jefferson, NY

POLLEN COUNT & ALLERGY FORECAST

10.1 High

Predominant Pollen:Cedar/Juniper, Maple and Birch.
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:677.5 miles

No Lightning Nearby

Real-time lightning alerts & live Map