Southampton Weather Forecast 15 Days, Weather in Southampton Today
Current weather conditions and 15 day weather forecast for Southampton, 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 Southampton
| 19 December 2025 Friday 6.7 ° C / 44.1°F  Partly cloudy |
Feels Like : 3.1 ° C / 37.6°F Humidity : % 89 Pressure : 1023 mb Wind Speed : 20.9 kmph / 13 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Southampton, NY, USA
Weather Forecast for next 15 Days for Southampton 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 Southampton, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Sunny |
1.4 ° C (34.5°F) |
10.1 ° C (50.2°F) |
6.1 ° C (43°F) |
% 79 | 0% | 0.3 | Sunrise:07:09 AM Sunset: 04:23 PM |
Moonrise:06:11 AM Moonset: 02:57 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Heavy rain |
3.7 ° C (38.6°F) |
11.1 ° C (52°F) |
9.3 ° C (48.7°F) |
% 89 | 88% | 0.1 | Sunrise:07:10 AM Sunset: 04:24 PM |
Moonrise:07:09 AM Moonset: 03:45 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
0.1 ° C (32.2°F) |
2.1 ° C (35.8°F) |
1.6 ° C (34.9°F) |
% 67 | 0% | 0.3 | Sunrise:07:10 AM Sunset: 04:24 PM |
Moonrise:08:01 AM Moonset: 04:40 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
0.4 ° C (32.6°F) |
7.6 ° C (45.7°F) |
5.8 ° C (42.4°F) |
% 65 | 0% | 0.3 | Sunrise:07:11 AM Sunset: 04:25 PM |
Moonrise:08:45 AM Moonset: 05:42 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-2 ° C (28.4°F) |
1.5 ° C (34.7°F) |
0.4 ° C (32.7°F) |
% 58 | 0% | 0 | Sunrise:07:11 AM Sunset: 04:25 PM |
Moonrise:09:23 AM Moonset: 06:48 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-2.1 ° C (28.3°F) |
2.2 ° C (36°F) |
0.7 ° C (33.3°F) |
% 51 | 0% | 2 | Sunrise:07:12 AM Sunset: 04:26 PM |
Moonrise:09:53 AM Moonset: 07:55 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Patchy rain nearby |
1.3 ° C (34.3°F) |
4.7 ° C (40.5°F) |
3.5 ° C (38.4°F) |
% 68 | 87% | 1 | Sunrise:07:12 AM Sunset: 04:26 PM |
Moonrise:10:19 AM Moonset: 09:02 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Moderate rain |
0.1 ° C (32.2°F) |
3.2 ° C (37.7°F) |
2.1 ° C (35.8°F) |
% 77 | 89% | 1 | Sunrise:07:13 AM Sunset: 04:27 PM |
Moonrise:10:42 AM Moonset: 10:09 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
1.7 ° C (35.1°F) |
4.3 ° C (39.7°F) |
3.9 ° C (39.1°F) |
% 82 | 88% | 1 | Sunrise:07:13 AM Sunset: 04:28 PM |
Moonrise:11:04 AM Moonset: 11:17 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Cloudy |
-2.1 ° C (28.2°F) |
-0.7 ° C (30.8°F) |
-0.9 ° C (30.4°F) |
% 62 | 0% | 1 | Sunrise:07:13 AM Sunset: 04:28 PM |
Moonrise:11:26 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Light snow |
-3.5 ° C (25.8°F) |
-2.2 ° C (28°F) |
-2.7 ° C (27.2°F) |
% 63 | 0% | 1 | Sunrise:07:14 AM Sunset: 04:29 PM |
Moonrise:11:49 AM Moonset: 12:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
-2.9 ° C (26.8°F) |
0.6 ° C (33.2°F) |
-1 ° C (30.3°F) |
% 66 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:30 PM |
Moonrise:12:16 PM Moonset: 01:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-1.4 ° C (29.4°F) |
-0.5 ° C (31.1°F) |
-0.9 ° C (30.3°F) |
% 65 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:31 PM |
Moonrise:12:49 PM Moonset: 02:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-1.3 ° C (29.6°F) |
2.2 ° C (35.9°F) |
0.7 ° C (33.3°F) |
% 64 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:31 PM |
Moonrise:01:31 PM Moonset: 04:17 AM Moon Phase ( Waxing Gibbous ) |
|
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