South River, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South River, NJ in one place.
Mostly sunny, with a high near 64. East wind around 5 mph.
Local Weather Overview
This forecast page for South River, 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: Oct 15, 2026 3:08 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for South River, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:08 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in South River
Friday looks like the warmest upcoming period in South River at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday Night at about 10 to 15 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:08 PM EDT
- Coverage
- 7 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
Rain showers after midnight. Mostly cloudy, with a low around 53. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely before 10am. Partly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 46. West wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 8am. Partly sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Patchy frost after 8pm. Mostly clear, with a low around 36.
Patchy frost before 10am. Sunny, with a high near 56.
A slight chance of rain showers between 8pm and 2am. Mostly clear, with a low around 38.
Sunny, with a high near 62.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 44.
Sunny, with a high near 64.
Mostly clear, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Mostly Sunny
|
64°F |
5 mph
E
|
|
Tonight
Oct 15
|
Mostly Cloudy then Rain Showers
|
53°F |
5 mph
SE
|
|
Friday
Oct 16
|
Rain Showers Likely then Partly Sunny
|
79°F |
5 to 10 mph
S
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms
|
46°F |
10 to 15 mph
W
|
|
Saturday
Oct 17
|
Chance Rain Showers then Partly Sunny
|
54°F |
15 mph
NW
|
|
Saturday Night
Oct 17
|
Patchy Frost
|
36°F |
0 to 15 mph
N
|
|
Sunday
Oct 18
|
Patchy Frost then Sunny
|
56°F |
0 to 5 mph
N
|
|
Sunday Night
Oct 18
|
Slight Chance Rain Showers
|
38°F |
0 to 5 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
62°F |
0 to 5 mph
N
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
0 mph
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
65°F |
0 mph
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
44°F |
0 to 5 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
64°F |
0 to 5 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
43°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South River.
