Lat: 40.95N, Lon: 73.06W  ICAO: KISP
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Issued 347 AM EDT Fri Jul 23 2021 Valid Fri Jul 23 2021 - Sun Jul 25 2021 ...There is a Moderate Risk of excessive rainfall over parts of the Southwest through Saturday morning... ...There is a Slight Risk of severe thunderstorms over parts of the Upper Midwest through Sa...
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Port Jefferson, NY Weather ForecastPort Jefferson, NY Weather

Current Conditions

Weather in Port Jefferson, NYWeather for Port Jefferson, NY
°F Click to change Port Jefferson weather to Imperial units.Click to change Port Jefferson weather to Metric units. °C
Partly Cloudy
Partly Cloudy
80°F
Updated: 07/23 3:00 pm
Feels Like:
81°F
Humidity: 41%
Wind:
N 14 mph
Barometer:
30.09 in
Dew Point:
54°F
Partly Cloudy
Partly Cloudy
27°C
Updated: 07/23 3:00 pm
Feels Like:
27°C
Humidity: 41%
Wind:
N 23 km/h
Barometer:
1019 mb
Dew Point:
12°C

Sun/Moon Info.

Cloud Cover: 25%
UV Index: 8
Sunrise: 05:41 AM
Sunset: 08:17 PM
Moonrise: 08:29 PM
Moonset: 04:42 AM
Civil Twilight
5:06 AM to 5:38 AM EDT
8:16 PM to 8:48 PM EDT
Full Moon
Full Moon
Update is local observation time. What time is it in Port Jefferson? 3:00 PM Friday, July 23, 2021

What good is the warmth of summer, without the cold of winter to give it sweetness. ―John Steinbeck

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Weather in Port Jefferson, NYPort Jefferson, NY Weather

Port Jefferson, NY Weather Forecast

Weather Port Jefferson, NYWeather in Port Jefferson, New York

Detailed Day & Night Port Jefferson, NY Weather Forecast

Port Jefferson, NY Weather Forecast Dated: 1228 PM EDT Fri Jul 23 2021
The area/counties/county of: Northwest Suffolk.
Today
Chance Of T-Storm
Hi: 81°FHi: 27°C
This Afternoon... Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 20%.
Tonight
Clearing
Lo: 65°FLo: 18°C
Tonight... Partly cloudy in the evening, then clearing. Lows in the mid 60s. North winds around 5 mph.
Sat
Sunny
Hi: 81°FHi: 27°C
Saturday... Sunny. Highs in the lower 80s. Northeast winds around 5 mph, becoming southeast in the afternoon.
Sat Night
Chance Of Showers
Lo: 70°FLo: 21°C
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows around 70. South winds 5 to 10 mph. Chance of rain 30%.
Sun
Chance Of T-Storm
Hi: 81°FHi: 27°C
Sunday... Mostly cloudy with a chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40%.
Sun Night
Chance Of T-Storm
Lo: 71°FLo: 22°C
Sunday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50%.
Mon
Chance Of T-Storm
Hi: 89°FHi: 32°C
Monday... Partly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 50%.
Mon Night
Partly Cloudy
Lo: 71°FLo: 22°C
Monday Night... Partly cloudy. Lows in the lower 70s.
Tue
Mostly Sunny
Hi: 89°FHi: 32°C
Tuesday... Mostly sunny. Highs in the upper 80s.
Tue Night
Mostly Clear
Lo: 70°FLo: 21°C
Tuesday Night... Mostly clear. Lows around 70.
Wed
Mostly Sunny
Hi: 85°FHi: 29°C
Wednesday... Mostly sunny. Highs in the mid 80s.
Wed Night
Partly Cloudy
Lo: 70°FLo: 21°C
Wednesday Night... Partly cloudy. Lows around 70.