West Sayville Weather Forecast 15 Days, Weather in West Sayville Today
Current weather conditions and 15 day weather forecast for West Sayville, 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 West Sayville
| 23 December 2025 Tuesday 2.8 ° C / 37°F  Partly cloudy |
Feels Like : -1.5 ° C / 29.3°F Humidity : % 52 Pressure : 1028 mb Wind Speed : 18.4 kmph / 11.4 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for West Sayville, NY, USA
Weather Forecast for next 15 Days for West Sayville 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 West Sayville, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 23 December 2025 Tuesday |  Moderate rain |
-0.2 ° C (31.6°F) |
4.2 ° C (39.6°F) |
1.8 ° C (35.3°F) |
% 90 | 85% | 0.1 | Sunrise:07:14 AM Sunset: 04:29 PM |
Moonrise:09:56 AM Moonset: 07:58 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-0.1 ° C (31.8°F) |
7.5 ° C (45.5°F) |
3.4 ° C (38.1°F) |
% 79 | 0% | 0.3 | Sunrise:07:15 AM Sunset: 04:29 PM |
Moonrise:10:22 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Overcast |
-1.7 ° C (28.9°F) |
3 ° C (37.4°F) |
0.9 ° C (33.7°F) |
% 79 | 0% | 0.2 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:10:45 AM Moonset: 10:12 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Moderate or heavy snow showers |
-3.3 ° C (26°F) |
-1.9 ° C (28.5°F) |
-2.3 ° C (27.8°F) |
% 52 | 62% | 0.2 | Sunrise:07:16 AM Sunset: 04:31 PM |
Moonrise:11:07 AM Moonset: 11:20 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Light freezing rain |
-2.2 ° C (28°F) |
0.1 ° C (32.2°F) |
-1.1 ° C (30.1°F) |
% 89 | 84% | 0 | Sunrise:07:16 AM Sunset: 04:31 PM |
Moonrise:11:29 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Patchy rain nearby |
0.7 ° C (33.2°F) |
6.2 ° C (43.2°F) |
3.7 ° C (38.7°F) |
% 86 | 75% | 1 | Sunrise:07:16 AM Sunset: 04:32 PM |
Moonrise:11:52 AM Moonset: 12:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Blowing snow |
-3.9 ° C (25°F) |
-1.4 ° C (29.5°F) |
-2.4 ° C (27.7°F) |
% 58 | 0% | 1 | Sunrise:07:16 AM Sunset: 04:33 PM |
Moonrise:12:19 PM Moonset: 01:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Sunny |
-4.9 ° C (23.2°F) |
-1.1 ° C (30°F) |
-3.2 ° C (26.3°F) |
% 60 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:34 PM |
Moonrise:12:52 PM Moonset: 03:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
-3.1 ° C (26.4°F) |
0.5 ° C (32.9°F) |
-1.1 ° C (30°F) |
% 67 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:35 PM |
Moonrise:01:34 PM Moonset: 04:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
1.1 ° C (34°F) |
4.3 ° C (39.7°F) |
2.5 ° C (36.6°F) |
% 79 | 70% | 1 | Sunrise:07:17 AM Sunset: 04:35 PM |
Moonrise:02:28 PM Moonset: 05:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
3.1 ° C (37.6°F) |
7.5 ° C (45.6°F) |
5.3 ° C (41.5°F) |
% 86 | 0% | 3 | Sunrise:07:17 AM Sunset: 04:36 PM |
Moonrise:03:35 PM Moonset: 06:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy rain nearby |
-2.8 ° C (27°F) |
5.8 ° C (42.4°F) |
3.4 ° C (38.1°F) |
% 76 | 88% | 1 | Sunrise:07:17 AM Sunset: 04:37 PM |
Moonrise:04:51 PM Moonset: 07:48 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-12.3 ° C (9.8°F) |
-5.6 ° C (21.9°F) |
-7.9 ° C (17.7°F) |
% 50 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:38 PM |
Moonrise:06:10 PM Moonset: 08:34 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Sunny |
-12.4 ° C (9.7°F) |
-8.4 ° C (16.9°F) |
-10.4 ° C (13.3°F) |
% 49 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:39 PM |
Moonrise:07:27 PM Moonset: 09:09 AM Moon Phase ( Waning Gibbous ) |
|
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