Current weather conditions and 15 day weather forecast for South Plainfield, 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.
| 12 August 2026 Wednesday 23.5 ° C / 74.3°F ![]() Sunny |
Feels Like : 24.1 ° C / 75.4°F Humidity : % 61 Pressure : 1009 mb Wind Speed : 6.1 kmph / 3.8 miles from N ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 August 2026 Wednesday | Sunny |
20 ° C (68°F) |
33.4 ° C (92.1°F) |
26 ° C (78.7°F) |
% 55 | 2% | 7.2 | Sunrise:06:05 AM Sunset: 07:59 PM |
Moonrise:05:24 AM Moonset: 07:59 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Patchy rain nearby |
19.3 ° C (66.8°F) |
26.7 ° C (80°F) |
23.1 ° C (73.6°F) |
% 76 | 78% | 5.8 | Sunrise:06:06 AM Sunset: 07:58 PM |
Moonrise:06:45 AM Moonset: 08:28 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
18.9 ° C (66°F) |
28.2 ° C (82.8°F) |
23.3 ° C (74°F) |
% 58 | 57% | 6.5 | Sunrise:06:07 AM Sunset: 07:57 PM |
Moonrise:08:04 AM Moonset: 08:53 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
16 ° C (60.8°F) |
27.5 ° C (81.5°F) |
21.5 ° C (70.7°F) |
% 49 | 2% | 7.2 | Sunrise:06:08 AM Sunset: 07:55 PM |
Moonrise:09:20 AM Moonset: 09:17 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
17.6 ° C (63.6°F) |
29.7 ° C (85.5°F) |
23.7 ° C (74.6°F) |
% 63 | 57% | 7 | Sunrise:06:09 AM Sunset: 07:54 PM |
Moonrise:10:33 AM Moonset: 09:42 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Partly Cloudy |
21.2 ° C (70.1°F) |
28.4 ° C (83.1°F) |
24.3 ° C (75.8°F) |
% 73 | 60% | 7 | Sunrise:06:10 AM Sunset: 07:53 PM |
Moonrise:11:45 AM Moonset: 10:09 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
19 ° C (66.2°F) |
27.6 ° C (81.8°F) |
22.9 ° C (73.1°F) |
% 56 | 3% | 7 | Sunrise:06:11 AM Sunset: 07:51 PM |
Moonrise:12:56 PM Moonset: 10:39 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
19.2 ° C (66.6°F) |
28.6 ° C (83.5°F) |
23.7 ° C (74.6°F) |
% 65 | 6% | 7 | Sunrise:06:12 AM Sunset: 07:50 PM |
Moonrise:02:05 PM Moonset: 11:15 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
20.1 ° C (68.1°F) |
29.5 ° C (85.1°F) |
24.2 ° C (75.5°F) |
% 75 | 64% | 7 | Sunrise:06:13 AM Sunset: 07:48 PM |
Moonrise:03:10 PM Moonset: 11:58 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Partly Cloudy |
21 ° C (69.8°F) |
30.1 ° C (86.1°F) |
25.2 ° C (77.4°F) |
% 73 | 45% | 8 | Sunrise:06:14 AM Sunset: 07:47 PM |
Moonrise:04:09 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
22.9 ° C (73.2°F) |
33.5 ° C (92.3°F) |
25.2 ° C (77.4°F) |
% 79 | 11% | 8 | Sunrise:06:15 AM Sunset: 07:45 PM |
Moonrise:04:59 PM Moonset: 12:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
21.3 ° C (70.3°F) |
31.7 ° C (89°F) |
26 ° C (78.8°F) |
% 64 | 4% | 8 | Sunrise:06:16 AM Sunset: 07:44 PM |
Moonrise:05:41 PM Moonset: 01:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Patchy rain nearby |
20.1 ° C (68.2°F) |
25.8 ° C (78.5°F) |
22.8 ° C (73.1°F) |
% 61 | 17% | 7 | Sunrise:06:17 AM Sunset: 07:42 PM |
Moonrise:06:16 PM Moonset: 02:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
16 ° C (60.7°F) |
25.1 ° C (77.3°F) |
20.1 ° C (68.2°F) |
% 43 | 1% | 7 | Sunrise:06:18 AM Sunset: 07:41 PM |
Moonrise:06:45 PM Moonset: 03:47 AM Moon Phase ( Full Moon ) |
|