Iselin, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Iselin, NJ in one place.
Mostly sunny, with a high near 90. West wind 5 to 10 mph.
Local Weather Overview
This forecast page for Iselin, NJ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 10, 2026 5:53 AM EDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Iselin, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 5:53 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Iselin
Tuesday looks like the warmest upcoming period in Iselin at 90 degrees F.
Friday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 5:53 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 2am. Partly cloudy, with a low around 69. Northwest wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 87. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers between 8pm and 2am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 69.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.
Mostly sunny, with a high near 86.
Mostly clear, with a low around 63.
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 84.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 64.
A slight chance of rain showers. Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Mostly Sunny
|
90°F |
5 to 10 mph
W
|
|
Tuesday Night
Aug 11
|
Partly Cloudy then Slight Chance Rain Showers
|
69°F |
0 to 10 mph
NW
|
|
Wednesday
Aug 12
|
Slight Chance Rain Showers then Mostly Sunny
|
87°F |
0 to 5 mph
N
|
|
Wednesday Night
Aug 12
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
W
|
|
Thursday
Aug 13
|
Slight Chance Showers And Thunderstorms
|
89°F |
0 to 10 mph
W
|
|
Thursday Night
Aug 13
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
5 mph
NW
|
|
Friday
Aug 14
|
Mostly Sunny
|
86°F |
5 to 10 mph
NW
|
|
Friday Night
Aug 14
|
Mostly Clear
|
63°F |
5 to 10 mph
N
|
|
Saturday
Aug 15
|
Slight Chance Rain Showers
|
84°F |
5 mph
NW
|
|
Saturday Night
Aug 15
|
Partly Cloudy then Slight Chance Rain Showers
|
64°F |
0 to 5 mph
W
|
|
Sunday
Aug 16
|
Slight Chance Rain Showers
|
84°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Iselin.