Green Brook Weather Forecast 15 Days, Weather in Green Brook Today
Current weather conditions and 15 day weather forecast for Green Brook, New Jersey, 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 Green Brook
| 23 December 2025 Tuesday -1.1 ° C / 30°F  Overcast |
Feels Like : -3.3 ° C / 26°F Humidity : % 78 Pressure : 1027 mb Wind Speed : 6.1 kmph / 3.8 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Green Brook, NJ, USA
Weather Forecast for next 15 Days for Green Brook 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 Green Brook, New Jersey 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 |  Mist |
-1 ° C (30.2°F) |
1.5 ° C (34.7°F) |
0.4 ° C (32.7°F) |
% 89 | 83% | 0 | Sunrise:07:20 AM Sunset: 04:35 PM |
Moonrise:10:01 AM Moonset: 08:04 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
0.3 ° C (32.5°F) |
7.4 ° C (45.3°F) |
3.1 ° C (37.7°F) |
% 75 | 0% | 0.3 | Sunrise:07:20 AM Sunset: 04:36 PM |
Moonrise:10:27 AM Moonset: 09:11 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
-1.2 ° C (29.8°F) |
2.6 ° C (36.7°F) |
0.3 ° C (32.6°F) |
% 78 | 0% | 0.1 | Sunrise:07:20 AM Sunset: 04:36 PM |
Moonrise:10:50 AM Moonset: 10:18 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Light freezing rain |
-3.9 ° C (24.9°F) |
-1.8 ° C (28.8°F) |
-2.8 ° C (27°F) |
% 59 | 69% | 0.2 | Sunrise:07:21 AM Sunset: 04:37 PM |
Moonrise:11:13 AM Moonset: 11:26 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Moderate snow |
-4.1 ° C (24.5°F) |
-1.8 ° C (28.8°F) |
-2.8 ° C (26.9°F) |
% 96 | 75% | 0 | Sunrise:07:21 AM Sunset: 04:38 PM |
Moonrise:11:35 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Fog |
-2.7 ° C (27.2°F) |
2.8 ° C (37°F) |
1 ° C (33.8°F) |
% 94 | 69% | 1 | Sunrise:07:21 AM Sunset: 04:38 PM |
Moonrise:11:58 AM Moonset: 12:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Light freezing rain |
-6.5 ° C (20.2°F) |
-3.2 ° C (26.2°F) |
-5.1 ° C (22.9°F) |
% 78 | 62% | 1 | Sunrise:07:22 AM Sunset: 04:39 PM |
Moonrise:12:25 PM Moonset: 01:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
-7.1 ° C (19.3°F) |
-2.5 ° C (27.5°F) |
-5.3 ° C (22.5°F) |
% 76 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:40 PM |
Moonrise:12:58 PM Moonset: 03:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Cloudy |
-6.2 ° C (20.9°F) |
-0.9 ° C (30.4°F) |
-3.4 ° C (25.8°F) |
% 86 | 0% | 1 | Sunrise:07:22 AM Sunset: 04:41 PM |
Moonrise:01:41 PM Moonset: 04:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Overcast |
-2.9 ° C (26.8°F) |
3.2 ° C (37.8°F) |
0.2 ° C (32.4°F) |
% 91 | 0% | 1 | Sunrise:07:22 AM Sunset: 04:42 PM |
Moonrise:02:35 PM Moonset: 05:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Fog |
0.3 ° C (32.5°F) |
6.1 ° C (42.9°F) |
2.6 ° C (36.7°F) |
% 96 | 0% | 1 | Sunrise:07:22 AM Sunset: 04:42 PM |
Moonrise:03:42 PM Moonset: 06:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Patchy rain nearby |
-5.6 ° C (21.9°F) |
4.5 ° C (40.1°F) |
1.3 ° C (34.3°F) |
% 78 | 83% | 1 | Sunrise:07:22 AM Sunset: 04:43 PM |
Moonrise:04:58 PM Moonset: 07:53 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-13.2 ° C (8.3°F) |
-6 ° C (21.1°F) |
-9.1 ° C (15.6°F) |
% 50 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:44 PM |
Moonrise:06:16 PM Moonset: 08:39 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Sunny |
-13.9 ° C (7.1°F) |
-8.5 ° C (16.6°F) |
-11.2 ° C (11.8°F) |
% 44 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:45 PM |
Moonrise:07:33 PM Moonset: 09:15 AM Moon Phase ( Waning Gibbous ) |
|
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