Iselin Weather Forecast 15 Days, Weather in Iselin Today
Current weather conditions and 15 day weather forecast for Iselin, 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 Iselin
| 18 September 2026 Friday 24.2 ° C / 75.5°F  Patchy rain nearby |
Feels Like : 24.9 ° C / 76.8°F Humidity : % 77 Pressure : 1018 mb Wind Speed : 14.8 kmph / 9.2 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 99 |
15 day weather forecast for Iselin, NJ, USA
Weather Forecast for next 15 Days for Iselin 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 Iselin, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday |  Sunny |
20.6 ° C (69.1°F) |
30 ° C (86.1°F) |
24.7 ° C (76.5°F) |
% 69 | 17% | 6.5 | Sunrise:06:40 AM Sunset: 07:03 PM |
Moonrise:01:59 PM Moonset: 10:40 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday |  Overcast |
21.8 ° C (71.2°F) |
27.6 ° C (81.6°F) |
24.4 ° C (75.9°F) |
% 69 | 16% | 6.7 | Sunrise:06:41 AM Sunset: 07:01 PM |
Moonrise:02:53 PM Moonset: 11:35 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Overcast |
17.2 ° C (63°F) |
21.4 ° C (70.4°F) |
18.5 ° C (65.3°F) |
% 50 | 7% | 5.8 | Sunrise:06:42 AM Sunset: 07:00 PM |
Moonrise:03:39 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Overcast |
17 ° C (62.6°F) |
19 ° C (66.3°F) |
17.9 ° C (64.2°F) |
% 79 | 87% | 0.3 | Sunrise:06:43 AM Sunset: 06:58 PM |
Moonrise:04:16 PM Moonset: 12:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday |  Light rain shower |
15.8 ° C (60.4°F) |
19.6 ° C (67.3°F) |
17.6 ° C (63.6°F) |
% 96 | 94% | 3.8 | Sunrise:06:43 AM Sunset: 06:56 PM |
Moonrise:04:47 PM Moonset: 01:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Light rain shower |
13.7 ° C (56.6°F) |
17.4 ° C (63.4°F) |
15.3 ° C (59.6°F) |
% 91 | 92% | 4 | Sunrise:06:44 AM Sunset: 06:55 PM |
Moonrise:05:13 PM Moonset: 02:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Patchy rain nearby |
13.5 ° C (56.3°F) |
17 ° C (62.6°F) |
15.4 ° C (59.7°F) |
% 85 | 83% | 4 | Sunrise:06:45 AM Sunset: 06:53 PM |
Moonrise:05:36 PM Moonset: 03:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Light rain shower |
15.9 ° C (60.6°F) |
17.9 ° C (64.2°F) |
16.9 ° C (62.4°F) |
% 87 | 89% | 4 | Sunrise:06:46 AM Sunset: 06:51 PM |
Moonrise:05:56 PM Moonset: 04:43 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Light rain shower |
13 ° C (55.4°F) |
17.3 ° C (63.1°F) |
15.4 ° C (59.7°F) |
% 93 | 93% | 4 | Sunrise:06:47 AM Sunset: 06:50 PM |
Moonrise:06:16 PM Moonset: 05:44 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Light rain shower |
11.1 ° C (52°F) |
15.4 ° C (59.7°F) |
12.6 ° C (54.7°F) |
% 81 | 88% | 3 | Sunrise:06:48 AM Sunset: 06:48 PM |
Moonrise:06:37 PM Moonset: 06:46 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
13.5 ° C (56.4°F) |
19 ° C (66.1°F) |
16.2 ° C (61.1°F) |
% 55 | 9% | 5 | Sunrise:06:49 AM Sunset: 06:46 PM |
Moonrise:06:58 PM Moonset: 07:50 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
12.9 ° C (55.1°F) |
19.8 ° C (67.7°F) |
15.9 ° C (60.7°F) |
% 65 | 15% | 5 | Sunrise:06:50 AM Sunset: 06:45 PM |
Moonrise:07:24 PM Moonset: 08:55 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Light rain shower |
13.8 ° C (56.9°F) |
16.1 ° C (61°F) |
15.1 ° C (59.2°F) |
% 88 | 82% | 4 | Sunrise:06:51 AM Sunset: 06:43 PM |
Moonrise:07:53 PM Moonset: 10:04 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Patchy rain nearby |
15.7 ° C (60.3°F) |
18.7 ° C (65.6°F) |
17 ° C (62.5°F) |
% 90 | 38% | 4 | Sunrise:06:52 AM Sunset: 06:41 PM |
Moonrise:08:31 PM Moonset: 11:14 AM Moon Phase ( Waning Gibbous ) |
|
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