Old Westbury Weather Forecast 15 Days, Weather in Old Westbury Today
Current weather conditions and 15 day weather forecast for Old Westbury, 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 Old Westbury
| 22 December 2025 Monday 3.3 ° C / 37.9°F  Sunny |
Feels Like : -0.5 ° C / 31°F Humidity : % 42 Pressure : 1031 mb Wind Speed : 16.2 kmph / 10.1 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Old Westbury, NY, USA
Weather Forecast for next 15 Days for Old Westbury 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 Old Westbury, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Sunny |
-4.2 ° C (24.4°F) |
4.7 ° C (40.5°F) |
-0.5 ° C (31°F) |
% 57 | 0% | 0.3 | Sunrise:07:16 AM Sunset: 04:31 PM |
Moonrise:09:27 AM Moonset: 06:53 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Moderate rain |
-0.5 ° C (31.1°F) |
6.2 ° C (43.2°F) |
2.2 ° C (35.9°F) |
% 83 | 88% | 0.1 | Sunrise:07:16 AM Sunset: 04:31 PM |
Moonrise:09:58 AM Moonset: 08:00 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
0.7 ° C (33.3°F) |
6 ° C (42.8°F) |
3.2 ° C (37.8°F) |
% 75 | 0% | 0.3 | Sunrise:07:17 AM Sunset: 04:32 PM |
Moonrise:10:24 AM Moonset: 09:07 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
3.4 ° C (38.1°F) |
5.9 ° C (42.7°F) |
4.6 ° C (40.2°F) |
% 81 | 89% | 0.1 | Sunrise:07:17 AM Sunset: 04:32 PM |
Moonrise:10:47 AM Moonset: 10:14 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
1.8 ° C (35.3°F) |
13 ° C (55.4°F) |
6.6 ° C (43.9°F) |
% 90 | 88% | 0 | Sunrise:07:18 AM Sunset: 04:33 PM |
Moonrise:11:09 AM Moonset: 11:22 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-4.1 ° C (24.5°F) |
-1.3 ° C (29.7°F) |
-2.1 ° C (28.2°F) |
% 36 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:34 PM |
Moonrise:11:31 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
1.1 ° C (34°F) |
3.4 ° C (38.1°F) |
2.3 ° C (36.2°F) |
% 75 | 88% | 1 | Sunrise:07:18 AM Sunset: 04:35 PM |
Moonrise:11:55 AM Moonset: 12:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
0.8 ° C (33.4°F) |
3.8 ° C (38.9°F) |
2 ° C (35.7°F) |
% 63 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:35 PM |
Moonrise:12:21 PM Moonset: 01:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
0.3 ° C (32.5°F) |
1.3 ° C (34.4°F) |
1.2 ° C (34.2°F) |
% 74 | 77% | 1 | Sunrise:07:19 AM Sunset: 04:36 PM |
Moonrise:12:54 PM Moonset: 03:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
2.4 ° C (36.3°F) |
4.8 ° C (40.6°F) |
3.8 ° C (38.9°F) |
% 92 | 86% | 1 | Sunrise:07:19 AM Sunset: 04:37 PM |
Moonrise:01:37 PM Moonset: 04:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
0.5 ° C (33°F) |
5.1 ° C (41.2°F) |
2.6 ° C (36.7°F) |
% 71 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:38 PM |
Moonrise:02:30 PM Moonset: 05:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
1.3 ° C (34.3°F) |
6.5 ° C (43.8°F) |
3.7 ° C (38.7°F) |
% 74 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:39 PM |
Moonrise:03:38 PM Moonset: 06:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
2.6 ° C (36.7°F) |
7.3 ° C (45.1°F) |
5 ° C (41°F) |
% 76 | 0% | 3 | Sunrise:07:19 AM Sunset: 04:39 PM |
Moonrise:04:53 PM Moonset: 07:50 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Patchy rain nearby |
5.1 ° C (41.2°F) |
10.3 ° C (50.5°F) |
7.7 ° C (45.9°F) |
% 89 | 82% | 2 | Sunrise:07:19 AM Sunset: 04:40 PM |
Moonrise:06:12 PM Moonset: 08:36 AM Moon Phase ( Waning Gibbous ) |
|
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