Port Jefferson, NY Weather

As of

Weather Station:MacArthur Arpt Islip Long Island

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21degrees Fahrenheit

Feels like:13°F

Hi: 21Lo: 21

Mostly Clear

Live Weather Radar

Port Jefferson, NY weather radar map

Current Weather Details

Windchill
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Daily Rain
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Dew point
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Monthly Rain
--
Humidity
--
Avg. Wind
--
Pressure
--
Wind Gust
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Sunrise
6:58 AM
Moon
Waning Gibbous
Sunset
5:14 PM
UV Index
2 (Low)

Weather Forecast

  • Tonight

    Lo

    Partly cloudy. Low temperature around 21F. Dew point will be around 16F with an average humidity of 67%. Winds will be 4 mph from the NW.

  • Tomorrow

    Hi

    Sunny. Highs in the upper 20s. North winds 5 to 10 mph.

Port Jefferson, NY 10-day weather forecast

AIR QUALITY

25 | Fair

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

POLLEN COUNT & ALLERGY FORECAST

0.1 Low

Predominant Pollen:None
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:595.7 miles

No Lightning Nearby

Real-time lightning alerts & live Map