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
| 29 July 2026 Wednesday 21.6 ° C / 70.9°F  Patchy light rain |
Feels Like : 14.9 ° C / 58.8°F Humidity : % 92 Pressure : 1003 mb Wind Speed : 14 kmph / 8.7 miles from ESE  Visibility : 10 km Precipitation (rainfall) : 2.19 mm Cloud (%) : 72 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 29 July 2026 Wednesday |  Patchy rain nearby |
20.1 ° C (68.2°F) |
24 ° C (75.2°F) |
21.9 ° C (71.5°F) |
% 89 | 88% | 5.9 | Sunrise:05:48 AM Sunset: 08:13 PM |
Moonrise:08:38 PM Moonset: 05:51 AM Moon Phase ( Full Moon ) |
|
| 30 July 2026 Thursday | Patchy rain nearby |
19.5 ° C (67°F) |
25.4 ° C (77.7°F) |
21.9 ° C (71.3°F) |
% 75 | 73% | 7.1 | Sunrise:05:49 AM Sunset: 08:12 PM |
Moonrise:09:01 PM Moonset: 06:53 AM Moon Phase ( Waning Gibbous ) |
|
| 31 July 2026 Friday |  Partly Cloudy |
20.2 ° C (68.4°F) |
27.3 ° C (81.1°F) |
23.1 ° C (73.5°F) |
% 62 | 17% | 7.6 | Sunrise:05:50 AM Sunset: 08:11 PM |
Moonrise:09:22 PM Moonset: 07:55 AM Moon Phase ( Waning Gibbous ) |
|
| 01 August 2026 Saturday |  Sunny |
21.3 ° C (70.3°F) |
27.4 ° C (81.3°F) |
24.1 ° C (75.4°F) |
% 61 | 6% | 8.6 | Sunrise:05:51 AM Sunset: 08:10 PM |
Moonrise:09:42 PM Moonset: 08:56 AM Moon Phase ( Waning Gibbous ) |
|
| 02 August 2026 Sunday | Partly Cloudy |
21.4 ° C (70.6°F) |
26.6 ° C (79.9°F) |
24 ° C (75.2°F) |
% 72 | 47% | 7 | Sunrise:05:52 AM Sunset: 08:09 PM |
Moonrise:10:01 PM Moonset: 09:57 AM Moon Phase ( Waning Gibbous ) |
|
| 03 August 2026 Monday | Sunny |
22.7 ° C (72.8°F) |
27.6 ° C (81.7°F) |
25.3 ° C (77.5°F) |
% 69 | 6% | 7 | Sunrise:05:52 AM Sunset: 08:08 PM |
Moonrise:10:22 PM Moonset: 10:59 AM Moon Phase ( Last Quarter ) |
|
| 04 August 2026 Tuesday | Sunny |
23.8 ° C (74.8°F) |
32.6 ° C (90.7°F) |
27.6 ° C (81.7°F) |
% 52 | 2% | 8 | Sunrise:05:53 AM Sunset: 08:07 PM |
Moonrise:10:45 PM Moonset: 12:03 PM Moon Phase ( Last Quarter ) |
|
| 05 August 2026 Wednesday | Sunny |
23.1 ° C (73.5°F) |
32.1 ° C (89.7°F) |
27.3 ° C (81.2°F) |
% 43 | 1% | 8 | Sunrise:05:54 AM Sunset: 08:05 PM |
Moonrise:11:12 PM Moonset: 01:10 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday | Sunny |
24 ° C (75.3°F) |
31.5 ° C (88.7°F) |
26.8 ° C (80.2°F) |
% 51 | 2% | 8 | Sunrise:05:55 AM Sunset: 08:04 PM |
Moonrise:11:47 PM Moonset: 02:21 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Sunny |
24.2 ° C (75.6°F) |
33.1 ° C (91.6°F) |
28.1 ° C (82.5°F) |
% 58 | 4% | 8 | Sunrise:05:56 AM Sunset: 08:03 PM |
Moonrise:Does not rise today Moonset: 03:33 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
26 ° C (78.9°F) |
33 ° C (91.4°F) |
29.3 ° C (84.8°F) |
% 53 | 2% | 8 | Sunrise:05:57 AM Sunset: 08:02 PM |
Moonrise:12:31 AM Moonset: 04:43 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
27.6 ° C (81.8°F) |
36.6 ° C (97.9°F) |
31.5 ° C (88.7°F) |
% 45 | 1% | 9 | Sunrise:05:58 AM Sunset: 08:01 PM |
Moonrise:01:28 AM Moonset: 05:46 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
26.7 ° C (80°F) |
34.6 ° C (94.2°F) |
30.1 ° C (86.2°F) |
% 50 | 2% | 8 | Sunrise:05:59 AM Sunset: 07:59 PM |
Moonrise:02:38 AM Moonset: 06:39 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
27.3 ° C (81.1°F) |
35.5 ° C (95.8°F) |
30.5 ° C (86.8°F) |
% 54 | 57% | 9 | Sunrise:06:00 AM Sunset: 07:58 PM |
Moonrise:03:57 AM Moonset: 07:22 PM Moon Phase ( New Moon ) |
|
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