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.
| 15 May 2026 Friday 10.6 ° C / 51.1°F ![]() Overcast |
Feels Like : 8.9 ° C / 47.9°F Humidity : % 68 Pressure : 1009 mb Wind Speed : 13.3 kmph / 8.3 miles from NW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday | Partly Cloudy |
8 ° C (46.4°F) |
18.1 ° C (64.6°F) |
13.5 ° C (56.3°F) |
% 66 | 0% | 6.1 | Sunrise:05:41 AM Sunset: 08:08 PM |
Moonrise:04:26 AM Moonset: 07:11 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
10.1 ° C (50.2°F) |
24.6 ° C (76.2°F) |
17.7 ° C (63.9°F) |
% 61 | 0% | 8.5 | Sunrise:05:40 AM Sunset: 08:09 PM |
Moonrise:05:01 AM Moonset: 08:32 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
14.4 ° C (57.8°F) |
24.6 ° C (76.3°F) |
20 ° C (68°F) |
% 71 | 81% | 6.6 | Sunrise:05:39 AM Sunset: 08:10 PM |
Moonrise:05:46 AM Moonset: 09:52 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
17.2 ° C (62.9°F) |
30.9 ° C (87.7°F) |
23.6 ° C (74.5°F) |
% 70 | 0% | 8.4 | Sunrise:05:38 AM Sunset: 08:11 PM |
Moonrise:06:43 AM Moonset: 11:01 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
17.5 ° C (63.5°F) |
32.6 ° C (90.7°F) |
23.7 ° C (74.7°F) |
% 69 | 80% | 1.2 | Sunrise:05:37 AM Sunset: 08:12 PM |
Moonrise:07:52 AM Moonset: 11:58 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
17.1 ° C (62.7°F) |
22.5 ° C (72.6°F) |
20.5 ° C (69°F) |
% 74 | 77% | 5 | Sunrise:05:37 AM Sunset: 08:12 PM |
Moonrise:09:07 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
12.4 ° C (54.3°F) |
20.1 ° C (68.2°F) |
15.9 ° C (60.7°F) |
% 59 | 89% | 4 | Sunrise:05:36 AM Sunset: 08:13 PM |
Moonrise:10:24 AM Moonset: 12:41 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
13.3 ° C (55.9°F) |
21.9 ° C (71.5°F) |
17.3 ° C (63.1°F) |
% 85 | 85% | 4 | Sunrise:05:35 AM Sunset: 08:14 PM |
Moonrise:11:39 AM Moonset: 01:15 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
14.6 ° C (58.3°F) |
20.7 ° C (69.2°F) |
17.1 ° C (62.7°F) |
% 76 | 87% | 4 | Sunrise:05:34 AM Sunset: 08:15 PM |
Moonrise:12:49 PM Moonset: 01:43 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
12 ° C (53.5°F) |
24 ° C (75.1°F) |
17.9 ° C (64.3°F) |
% 52 | 0% | 5 | Sunrise:05:34 AM Sunset: 08:16 PM |
Moonrise:01:56 PM Moonset: 02:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
12.8 ° C (55°F) |
25.5 ° C (77.9°F) |
19.3 ° C (66.7°F) |
% 51 | 0% | 5 | Sunrise:05:33 AM Sunset: 08:17 PM |
Moonrise:03:00 PM Moonset: 02:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Partly Cloudy |
13.6 ° C (56.5°F) |
26.5 ° C (79.7°F) |
20.2 ° C (68.3°F) |
% 58 | 0% | 6 | Sunrise:05:32 AM Sunset: 08:18 PM |
Moonrise:04:03 PM Moonset: 02:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Patchy rain nearby |
16.9 ° C (62.5°F) |
28.3 ° C (83°F) |
21.9 ° C (71.5°F) |
% 67 | 89% | 5 | Sunrise:05:32 AM Sunset: 08:18 PM |
Moonrise:05:07 PM Moonset: 03:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
20.2 ° C (68.4°F) |
31.2 ° C (88.2°F) |
24.2 ° C (75.5°F) |
% 70 | 86% | 5 | Sunrise:05:31 AM Sunset: 08:19 PM |
Moonrise:06:10 PM Moonset: 03:33 AM Moon Phase ( Waxing Gibbous ) |
|