South River Weather Forecast 15 Days, Weather in South River Today
Current weather conditions and 15 day weather forecast for South River, 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 South River
| 22 December 2025 Monday 2.2 ° C / 36°F  Sunny |
Feels Like : -1.2 ° C / 29.9°F Humidity : % 42 Pressure : 1033 mb Wind Speed : 12.2 kmph / 7.6 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for South River, NJ, USA
Weather Forecast for next 15 Days for South River 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 South River, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Sunny |
-3.9 ° C (25°F) |
4.8 ° C (40.6°F) |
-0.4 ° C (31.3°F) |
% 57 | 0% | 0.3 | Sunrise:07:18 AM Sunset: 04:35 PM |
Moonrise:09:30 AM Moonset: 06:58 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Overcast |
-1.1 ° C (30°F) |
4.5 ° C (40.1°F) |
1.4 ° C (34.5°F) |
% 78 | 0% | 0.1 | Sunrise:07:19 AM Sunset: 04:35 PM |
Moonrise:10:00 AM Moonset: 08:04 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
-0.1 ° C (31.8°F) |
4.8 ° C (40.6°F) |
2 ° C (35.7°F) |
% 76 | 0% | 0.3 | Sunrise:07:19 AM Sunset: 04:36 PM |
Moonrise:10:26 AM Moonset: 09:11 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
1.4 ° C (34.6°F) |
4.4 ° C (39.8°F) |
3.1 ° C (37.6°F) |
% 87 | 88% | 0.1 | Sunrise:07:19 AM Sunset: 04:37 PM |
Moonrise:10:50 AM Moonset: 10:18 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
0.4 ° C (32.7°F) |
13.9 ° C (57°F) |
6.3 ° C (43.4°F) |
% 91 | 87% | 0 | Sunrise:07:20 AM Sunset: 04:37 PM |
Moonrise:11:12 AM Moonset: 11:26 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-3.4 ° C (25.8°F) |
-0.3 ° C (31.4°F) |
-1.9 ° C (28.7°F) |
% 38 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:38 PM |
Moonrise:11:35 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Light freezing rain |
-0.8 ° C (30.5°F) |
3.3 ° C (38°F) |
1.2 ° C (34.2°F) |
% 73 | 0% | 1 | Sunrise:07:20 AM Sunset: 04:39 PM |
Moonrise:11:58 AM Moonset: 12:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
0.5 ° C (32.9°F) |
5 ° C (41°F) |
2.4 ° C (36.2°F) |
% 64 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:39 PM |
Moonrise:12:25 PM Moonset: 01:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
0.2 ° C (32.4°F) |
1.5 ° C (34.6°F) |
1.4 ° C (34.4°F) |
% 78 | 87% | 1 | Sunrise:07:21 AM Sunset: 04:40 PM |
Moonrise:12:59 PM Moonset: 03:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
2.5 ° C (36.5°F) |
5.7 ° C (42.2°F) |
4.2 ° C (39.5°F) |
% 93 | 88% | 1 | Sunrise:07:21 AM Sunset: 04:41 PM |
Moonrise:01:41 PM Moonset: 04:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
0.4 ° C (32.7°F) |
5.1 ° C (41.2°F) |
2.5 ° C (36.5°F) |
% 76 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:42 PM |
Moonrise:02:35 PM Moonset: 05:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
0.1 ° C (32.3°F) |
7.2 ° C (45°F) |
3.2 ° C (37.8°F) |
% 82 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:43 PM |
Moonrise:03:42 PM Moonset: 06:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
0.6 ° C (33°F) |
8.6 ° C (47.6°F) |
4.1 ° C (39.4°F) |
% 77 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:44 PM |
Moonrise:04:58 PM Moonset: 07:52 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Patchy rain nearby |
2.9 ° C (37.2°F) |
12.6 ° C (54.7°F) |
7.3 ° C (45.2°F) |
% 87 | 75% | 2 | Sunrise:07:21 AM Sunset: 04:44 PM |
Moonrise:06:16 PM Moonset: 08:38 AM Moon Phase ( Waning Gibbous ) |
|
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