14 days forecast Port Jefferson
See the weather for the coming 14 days in Port Jefferson.
Thursday, December 26 
25%
4° / 9°
3
25%Many clouds and some sun
Total precipitation 0.7 mm
Precipitation chance 25%
UV index 1
Friday, December 27 
0%
5° / 10°
4
0%Cloudy with some rain
Total precipitation 5.1 mm
Precipitation chance 90%
UV index 0
Saturday, December 28 
0%
9° / 14°
4
0%Grey and some period of rain
Total precipitation 11.4 mm
Precipitation chance 95%
UV index 0
Sunday, December 29 
30%
9° / 13°
4
30%Sun, but also an occasional shower
Total precipitation 7.6 mm
Precipitation chance 95%
UV index 1
Monday, December 30 
55%
6° / 11°
3
55%Sun and chance of a shower
Total precipitation 1.3 mm
Precipitation chance 45%
UV index 1
Tuesday, December 31 20%
6° / 10°
4
20%Cloudy with some rain
Total precipitation 6.4 mm
Precipitation chance 90%
UV index 0
Wednesday, January 1 
65%
3° / 7°
3
65%Lots of sun, few clouds
Total precipitation 0.9 mm
Precipitation chance 30%
UV index 1
Thursday, January 2 
55%
0° / 5°
3
55%Regular sun, also clouds
Total precipitation 0.9 mm
Precipitation chance 30%
UV index 1
Friday, January 3 
55%
-2° / 4°
3
55%Shower with rain and snow
Total precipitation 2.6 mm
Precipitation chance 75%
UV index 1
Saturday, January 4 75%
-3° / 3°
3
75%Lots of sun, few clouds
Total precipitation 0.8 mm
Precipitation chance 25%
UV index 1
Sunday, January 5 70%
-3° / 3°
3
70%Lots of sun, few clouds
Total precipitation 0.7 mm
Precipitation chance 20%
UV index 1
Monday, January 6 40%
-2° / 4°
3
40%Sun, but also an occasional shower
Total precipitation 3.6 mm
Precipitation chance 80%
UV index 1
Tuesday, January 7 
35%
-2° / 2°
3
35%Possible slipperiness due to freezing rain
Total precipitation 5.8 mm
Precipitation chance 90%
UV index 1
Wednesday, January 8 55%
-2° / 2°
3
55%Shower with rain and snow
Total precipitation 2.6 mm
Precipitation chance 75%
UV index 1