Port Jefferson Station Weather Forecast 15 Days, Weather in Port Jefferson Station Today
Current weather conditions and 15 day weather forecast for Port Jefferson Station, New York, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Port Jefferson Station
| 14 December 2025 Sunday -2.2 ° C / 28°F  Partly cloudy |
Feels Like : -9.8 ° C / 14.4°F Humidity : % 63 Pressure : 1014 mb Wind Speed : 34.2 kmph / 21.3 miles from NW  Visibility : 14 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Port Jefferson Station, NY, USA
Weather Forecast for next 15 Days for Port Jefferson Station including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Port Jefferson Station, New York state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday |  Moderate snow |
-4.4 ° C (24.2°F) |
0.7 ° C (33.3°F) |
-0.9 ° C (30.3°F) |
% 83 | 79% | 0.2 | Sunrise:07:10 AM Sunset: 04:25 PM |
Moonrise:02:05 AM Moonset: 12:59 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Partly Cloudy |
-5.4 ° C (22.3°F) |
-0.2 ° C (31.6°F) |
-2.7 ° C (27.2°F) |
% 65 | 0% | 0.3 | Sunrise:07:10 AM Sunset: 04:25 PM |
Moonrise:03:07 AM Moonset: 01:22 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Sunny |
-2 ° C (28.4°F) |
2.9 ° C (37.2°F) |
0.1 ° C (32.1°F) |
% 70 | 0% | 0.3 | Sunrise:07:11 AM Sunset: 04:25 PM |
Moonrise:04:09 AM Moonset: 01:49 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Partly Cloudy |
0.8 ° C (33.5°F) |
5.1 ° C (41.1°F) |
3.7 ° C (38.6°F) |
% 73 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 04:25 PM |
Moonrise:05:13 AM Moonset: 02:20 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Partly Cloudy |
0.9 ° C (33.6°F) |
6.4 ° C (43.5°F) |
4.5 ° C (40.1°F) |
% 76 | 0% | 0 | Sunrise:07:12 AM Sunset: 04:26 PM |
Moonrise:06:14 AM Moonset: 03:00 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Patchy rain nearby |
2 ° C (35.6°F) |
9.9 ° C (49.8°F) |
7.8 ° C (46.1°F) |
% 69 | 56% | 2 | Sunrise:07:13 AM Sunset: 04:26 PM |
Moonrise:07:13 AM Moonset: 03:47 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
-0.1 ° C (31.8°F) |
5.1 ° C (41.2°F) |
3.1 ° C (37.7°F) |
% 63 | 86% | 1 | Sunrise:07:13 AM Sunset: 04:27 PM |
Moonrise:08:04 AM Moonset: 04:43 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
2.3 ° C (36.2°F) |
11.3 ° C (52.3°F) |
8.2 ° C (46.8°F) |
% 87 | 87% | 2 | Sunrise:07:14 AM Sunset: 04:27 PM |
Moonrise:08:49 AM Moonset: 05:45 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-1.3 ° C (29.7°F) |
2.1 ° C (35.9°F) |
0.7 ° C (33.2°F) |
% 48 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:28 PM |
Moonrise:09:26 AM Moonset: 06:50 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
2.6 ° C (36.8°F) |
8.9 ° C (48°F) |
6.8 ° C (44.2°F) |
% 73 | 87% | 2 | Sunrise:07:15 AM Sunset: 04:28 PM |
Moonrise:09:56 AM Moonset: 07:57 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-4.4 ° C (24.1°F) |
-0.2 ° C (31.7°F) |
-0.5 ° C (31.1°F) |
% 53 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:29 PM |
Moonrise:10:22 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy moderate snow |
-5.2 ° C (22.7°F) |
-2.2 ° C (28.1°F) |
-3.6 ° C (25.6°F) |
% 47 | 79% | 1 | Sunrise:07:16 AM Sunset: 04:29 PM |
Moonrise:10:45 AM Moonset: 10:11 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Heavy snow |
-2.4 ° C (27.7°F) |
3.9 ° C (39°F) |
1 ° C (33.8°F) |
% 96 | 82% | 1 | Sunrise:07:16 AM Sunset: 04:30 PM |
Moonrise:11:07 AM Moonset: 11:20 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
-0.5 ° C (31.1°F) |
1.2 ° C (34.1°F) |
0.9 ° C (33.6°F) |
% 72 | 0% | 2 | Sunrise:07:16 AM Sunset: 04:31 PM |
Moonrise:11:29 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
Add a link to your web page; copy and paste this html to your web page