Greenville, NJ Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Greenville, NJ in one place.
Mostly clear, with a low around 56. Southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Greenville, 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: Sep 16, 2026 2:22 AM EDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Greenville, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 2:22 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenville
Thursday looks like the warmest upcoming period in Greenville at 84 degrees F.
Overnight is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Thursday at about 5 to 10 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 2:22 AM 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
Sunny, with a high near 81. South wind 0 to 5 mph.
Partly cloudy, with a low around 65. South wind around 5 mph.
Mostly sunny, with a high near 84. South wind 5 to 10 mph.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 77.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 63.
A chance of rain showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 16
|
Mostly Clear
|
56°F |
0 to 5 mph
SE
|
|
Wednesday
Sep 16
|
Sunny
|
81°F |
0 to 5 mph
S
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
65°F |
5 mph
S
|
|
Thursday
Sep 17
|
Mostly Sunny
|
84°F |
5 to 10 mph
S
|
|
Thursday Night
Sep 17
|
Mostly Cloudy then Slight Chance Rain Showers
|
69°F |
5 mph
S
|
|
Friday
Sep 18
|
Slight Chance Rain Showers then Mostly Sunny
|
83°F |
5 to 10 mph
NW
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
61°F |
5 mph
NE
|
|
Saturday
Sep 19
|
Mostly Sunny
|
77°F |
5 to 10 mph
E
|
|
Saturday Night
Sep 19
|
Mostly Cloudy then Slight Chance Rain Showers
|
63°F |
5 to 10 mph
SE
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
81°F |
5 to 10 mph
S
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
66°F |
5 to 10 mph
SE
|
|
Monday
Sep 21
|
Chance Rain Showers
|
79°F |
5 to 10 mph
E
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
E
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
77°F |
10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenville.