Fire Island Weather Forecast 15 Days, Weather in Fire Island Today
Current weather conditions and 15 day weather forecast for Fire Island, 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 Fire Island
| 17 December 2025 Wednesday -2.2 ° C / 28°F  Partly cloudy |
Feels Like : -7.5 ° C / 18.5°F Humidity : % 55 Pressure : 1021 mb Wind Speed : 16.9 kmph / 10.5 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Fire Island, NY, USA
Weather Forecast for next 15 Days for Fire Island 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 Fire Island, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 December 2025 Tuesday |  Sunny |
-8 ° C (17.6°F) |
3.3 ° C (37.9°F) |
-3.8 ° C (25.1°F) |
% 71 | 0% | 0.4 | Sunrise:07:11 AM Sunset: 04:26 PM |
Moonrise:04:10 AM Moonset: 01:50 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Sunny |
-3.5 ° C (25.7°F) |
5.2 ° C (41.4°F) |
1.3 ° C (34.4°F) |
% 81 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 04:27 PM |
Moonrise:05:13 AM Moonset: 02:22 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Fog |
-3.1 ° C (26.4°F) |
8.9 ° C (48°F) |
4.1 ° C (39.3°F) |
% 96 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 04:27 PM |
Moonrise:06:14 AM Moonset: 03:01 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Heavy rain |
2.9 ° C (37.2°F) |
12.5 ° C (54.5°F) |
10 ° C (49.9°F) |
% 88 | 87% | 0 | Sunrise:07:13 AM Sunset: 04:28 PM |
Moonrise:07:13 AM Moonset: 03:49 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
-1 ° C (30.2°F) |
2.3 ° C (36.2°F) |
1 ° C (33.8°F) |
% 49 | 0% | 0.3 | Sunrise:07:14 AM Sunset: 04:28 PM |
Moonrise:08:04 AM Moonset: 04:44 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Partly Cloudy |
1.2 ° C (34.2°F) |
7.2 ° C (44.9°F) |
5.4 ° C (41.7°F) |
% 57 | 0% | 0 | Sunrise:07:14 AM Sunset: 04:28 PM |
Moonrise:08:49 AM Moonset: 05:46 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-2.3 ° C (27.9°F) |
0.1 ° C (32.1°F) |
-1 ° C (30.2°F) |
% 44 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:29 PM |
Moonrise:09:26 AM Moonset: 06:52 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Moderate or heavy snow showers |
-3.1 ° C (26.4°F) |
1.3 ° C (34.4°F) |
-0.9 ° C (30.5°F) |
% 51 | 88% | 1 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:09:56 AM Moonset: 07:59 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Overcast |
0.6 ° C (33.2°F) |
3.8 ° C (38.8°F) |
1.9 ° C (35.4°F) |
% 80 | 0% | 1 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:10:22 AM Moonset: 09:06 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
0.7 ° C (33.2°F) |
3.3 ° C (38°F) |
2.1 ° C (35.9°F) |
% 79 | 88% | 1 | Sunrise:07:16 AM Sunset: 04:31 PM |
Moonrise:10:45 AM Moonset: 10:12 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
3.1 ° C (37.5°F) |
7.5 ° C (45.4°F) |
5.8 ° C (42.5°F) |
% 97 | 87% | 2 | Sunrise:07:16 AM Sunset: 04:31 PM |
Moonrise:11:08 AM Moonset: 11:21 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
4.7 ° C (40.5°F) |
7.1 ° C (44.8°F) |
6.5 ° C (43.6°F) |
% 76 | 70% | 2 | Sunrise:07:16 AM Sunset: 04:32 PM |
Moonrise:11:30 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
3.2 ° C (37.8°F) |
9 ° C (48.2°F) |
6.4 ° C (43.4°F) |
% 70 | 84% | 2 | Sunrise:07:17 AM Sunset: 04:33 PM |
Moonrise:11:53 AM Moonset: 12:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Overcast |
-1.6 ° C (29.1°F) |
0.5 ° C (32.9°F) |
-0.5 ° C (31.1°F) |
% 50 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:34 PM |
Moonrise:12:20 PM Moonset: 01:44 AM Moon Phase ( Waxing Gibbous ) |
|
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