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 79. Northwest wind around 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: Jun 13, 2026 12:56 PM EDT.
The active forecast window currently covers Jun 15 to Jun 19, 2026 for Iselin, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 15 to Jun 19, 2026
- Latest sync
- Jun 13, 2026 12:56 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Iselin
Thursday looks like the warmest upcoming period in Iselin at 91 degrees F.
Monday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Thursday at about 0 to 15 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 13, 2026 12:56 PM EDT
- Coverage
- 5 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
Partly cloudy, with a low around 59.
Mostly sunny, with a high near 80.
Partly cloudy, with a low around 61.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
A slight chance of rain showers. Mostly sunny, with a high near 86.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 15
|
Mostly Sunny
|
79°F |
10 mph
NW
|
|
Monday Night
Jun 15
|
Partly Cloudy
|
59°F |
0 to 10 mph
NW
|
|
Tuesday
Jun 16
|
Mostly Sunny
|
80°F |
0 to 5 mph
W
|
|
Tuesday Night
Jun 16
|
Partly Cloudy
|
61°F |
0 to 5 mph
SW
|
|
Wednesday
Jun 17
|
Chance Showers And Thunderstorms
|
82°F |
0 to 10 mph
S
|
|
Wednesday Night
Jun 17
|
Chance Showers And Thunderstorms
|
64°F |
0 to 5 mph
S
|
|
Thursday
Jun 18
|
Showers And Thunderstorms Likely
|
91°F |
0 to 15 mph
S
|
|
Thursday Night
Jun 18
|
Showers And Thunderstorms Likely
|
68°F |
10 to 15 mph
SW
|
|
Juneteenth
Jun 19
|
Slight Chance Rain Showers
|
86°F |
10 mph
W
|
|
Friday Night
Jun 19
|
Slight Chance Rain Showers then Partly Cloudy
|
64°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Iselin.