Port Jefferson, NY Weather

As of

Weather Station:Stony Brook Univ Flax Pond Lab

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65degrees Fahrenheit

Feels like:65°F

Hi: 78Lo: 60

Partly Cloudy

Live Weather Radar

Port Jefferson, NY weather radar map

Current Weather Details

Windchill
65°
Daily Rain
0"
Dew point
57°
Monthly Rain
0.41"
Humidity
76%
Avg. Wind
SSW 2 mph
Pressure
30.01" →
Wind Gust
SW 4 mph
Sunrise
6:15 AM
Moon
Waning Crescent
Sunset
7:30 PM
UV Index
7 (High)

Weather Forecast

  • Today

    Hi

    Mostly sunny. Highs in the upper 70s. Southwest winds around 5 mph increasing to south 10 to 15 mph this afternoon.

  • Tonight

    Lo

    Mostly cloudy with a slight chance of showers in the evening then partly cloudy after midnight. Lows in the upper 50s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.

Port Jefferson, NY 10-day weather forecast

AIR QUALITY

36 | Fair

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

POLLEN COUNT & ALLERGY FORECAST

11.7 High

Predominant Pollen:Cedar/Juniper, Alder and Poplar/Aspen/Cottonwood.
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:317.4 miles

No Lightning Nearby

Real-time lightning alerts & live Map