Mastic Weather Forecast 15 Days, Weather in Mastic Today
Current weather conditions and 15 day weather forecast for Mastic, 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 Mastic
| 20 December 2025 Saturday 9.4 ° C / 48.9°F  Overcast |
Feels Like : 5.2 ° C / 41.4°F Humidity : % 83 Pressure : 994 mb Wind Speed : 38.9 kmph / 24.2 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Mastic, NY, USA
Weather Forecast for next 15 Days for Mastic 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 Mastic, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday |  Moderate rain |
0.3 ° C (32.5°F) |
13.8 ° C (56.8°F) |
9.8 ° C (49.6°F) |
% 84 | 87% | 0 | Sunrise:07:12 AM Sunset: 04:26 PM |
Moonrise:07:11 AM Moonset: 03:47 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Partly Cloudy |
-2.3 ° C (27.9°F) |
2 ° C (35.6°F) |
-0.2 ° C (31.7°F) |
% 66 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 04:26 PM |
Moonrise:08:03 AM Moonset: 04:42 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Overcast |
-0.2 ° C (31.7°F) |
6.6 ° C (43.9°F) |
4.4 ° C (39.9°F) |
% 73 | 0% | 0.3 | Sunrise:07:13 AM Sunset: 04:27 PM |
Moonrise:08:47 AM Moonset: 05:45 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Sunny |
-1.9 ° C (28.6°F) |
1.5 ° C (34.7°F) |
-0.2 ° C (31.6°F) |
% 46 | 0% | 0.3 | Sunrise:07:13 AM Sunset: 04:27 PM |
Moonrise:09:24 AM Moonset: 06:50 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Patchy rain nearby |
-0.9 ° C (30.4°F) |
4.5 ° C (40.1°F) |
2.1 ° C (35.8°F) |
% 53 | 0% | 0 | Sunrise:07:14 AM Sunset: 04:28 PM |
Moonrise:09:55 AM Moonset: 07:57 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
2 ° C (35.6°F) |
4.5 ° C (40.1°F) |
3.7 ° C (38.7°F) |
% 58 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:28 PM |
Moonrise:10:21 AM Moonset: 09:04 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
2.8 ° C (37.1°F) |
6.2 ° C (43.2°F) |
5 ° C (40.9°F) |
% 79 | 86% | 1 | Sunrise:07:14 AM Sunset: 04:29 PM |
Moonrise:10:44 AM Moonset: 10:11 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
2.9 ° C (37.3°F) |
6 ° C (42.8°F) |
4.3 ° C (39.8°F) |
% 87 | 73% | 1 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:11:06 AM Moonset: 11:19 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-2.4 ° C (27.7°F) |
-0.7 ° C (30.8°F) |
-1.5 ° C (29.4°F) |
% 56 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:11:28 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-6.7 ° C (19.9°F) |
-3.9 ° C (25°F) |
-4.8 ° C (23.3°F) |
% 46 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:31 PM |
Moonrise:11:51 AM Moonset: 12:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Moderate snow |
-4.7 ° C (23.6°F) |
-1 ° C (30.3°F) |
-1.6 ° C (29.2°F) |
% 59 | 74% | 1 | Sunrise:07:16 AM Sunset: 04:32 PM |
Moonrise:12:18 PM Moonset: 01:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Moderate rain |
4.5 ° C (40.2°F) |
7.9 ° C (46.3°F) |
6.2 ° C (43.1°F) |
% 94 | 85% | 2 | Sunrise:07:16 AM Sunset: 04:33 PM |
Moonrise:12:51 PM Moonset: 02:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
1.7 ° C (35.1°F) |
4.5 ° C (40.1°F) |
3.4 ° C (38.2°F) |
% 83 | 0% | 2 | Sunrise:07:16 AM Sunset: 04:34 PM |
Moonrise:01:33 PM Moonset: 04:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
4.3 ° C (39.7°F) |
6.3 ° C (43.4°F) |
5.2 ° C (41.3°F) |
% 89 | 78% | 2 | Sunrise:07:16 AM Sunset: 04:34 PM |
Moonrise:02:27 PM Moonset: 05:38 AM Moon Phase ( Waxing Gibbous ) |
|
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