Weather Forecast and Conditions for Port Jefferson, New York 11777 - The Weather Channel | Weather.com
Advertisement
Advertisement
Advertisement
Advertisement
50° Foggy
Fog
Day 51° • Night 29°
Feels Like47°
Sunrise

7:08 am

Sunset

6:55 pm

Temperature
High / Low
51°/29°
Wind
10 mph
Humidity
Humidity
94%
Dew point
Dew Point
49°
Pressure
Pressure
29.58 in
UV index
UV Index
0 of 11
Visibility
Visibility
1.5 mi
Moon Phase - Day 23
Moon Phase
Waning Crescent
Advertisement

Rain

Rain possible after 12 PM.

Hourly Weather-

Now

Cloudy Cloudy
51°
Rain drop 15%
W 11 mph
Subtract

Cloudy

  • Temperature feels like
    Feels Like47°
  • WindW 11 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in

9 am

Cloudy Cloudy
50°
Rain drop 9%
WNW 15 mph
Add

Cloudy

  • Temperature feels like
    Feels Like45°
  • WindWNW 15 mph
  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover96%
  • Rain drop
    Rain Amount0 in

10 am

Cloudy Cloudy
48°
Rain drop 10%
NW 17 mph
Add

Cloudy

  • Temperature feels like
    Feels Like41°
  • WindNW 17 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0 in

11 am

Cloudy Cloudy
46°
Rain drop 14%
NW 17 mph
Add

Cloudy

  • Temperature feels like
    Feels Like39°
  • WindNW 17 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover96%
  • Rain drop
    Rain Amount0 in
Advertisement

10 Day Weather-

Today

Rain, Snow, Wintery Mix Rain/Snow
51°/29°
Rain drop 88%
Subtract

Day

51°
Rain, Snow, Wintery Mix
Rain drop
88%
NW 17 mph

Rain...mixing with snow for the afternoon. Morning high of 51F with temps falling to near 35. Winds NW at 10 to 20 mph. Chance of rain 90%.

  • Humidity
    Humidity72%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset6:55 pm

Night

29°
Partly Cloudy Night
Mixed precipitation
24%
WNW 14 mph

Some clouds this evening will give way to mainly clear skies overnight. Low 29F. Winds WNW at 10 to 20 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:33 am
  • Moonset
    Moonset12:07 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Mostly Cloudy Day Mostly Cloudy
42°/39°
Rain drop 0%
Add

Day

42°
Mostly Cloudy Day
SW 16 mph

Partly cloudy skies during the morning hours will become overcast in the afternoon. High 42F. Winds SW at 10 to 20 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset6:56 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
20%
SW 17 mph

Some clouds early will give way to generally clear conditions overnight. Low 39F. Winds SW at 15 to 25 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:17 am
  • Moonset
    Moonset1:08 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Windy Mostly Sunny/Wind
48°/30°
Rain drop 0%
Add

Day

48°
Windy
W 21 mph

Windy with a few clouds from time to time. High 48F. Winds W at 20 to 30 mph. Higher wind gusts possible.

  • Humidity
    Humidity39%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset6:57 pm

Night

30°
Mostly Clear Night
NNW 12 mph

Mainly clear early, then a few clouds later on. Low near 30F. Winds NNW at 10 to 15 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:55 am
  • Moonset
    Moonset2:14 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Cloudy Cloudy
43°/40°
Rain drop 7%
Add

Day

43°
Cloudy
Rain drop
7%
E 14 mph

Overcast. High 43F. Winds E at 10 to 20 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset6:58 pm

Night

40°
Rain
Rain drop
94%
ESE 16 mph

Showers early, becoming a steady rain late. Low around 40F. Winds ESE at 10 to 20 mph. Chance of rain 90%. Rainfall near a quarter of an inch.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:27 am
  • Moonset
    Moonset3:22 pm
  • Moon Phase - Day 26 Waning Crescent
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement