Lebanon, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Lebanon, NJ in one place.
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 101. West wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Lebanon, 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: Jul 14, 2026 9:24 PM EDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Lebanon, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 9:24 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Lebanon
Wednesday looks like the warmest upcoming period in Lebanon at 97 degrees F.
Friday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph W.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 9:24 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
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Northwest wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 92. West wind 0 to 10 mph.
Partly cloudy, with a low around 67. Northwest wind around 5 mph.
Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
97°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
70°F |
0 to 10 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
92°F |
0 to 10 mph
W
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
67°F |
5 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny
|
87°F |
5 mph
NW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
65°F |
0 mph
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
82°F |
0 to 5 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
67°F |
5 mph
SW
|
|
Sunday
Jul 19
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
5 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
W
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
S
|
|
Tuesday
Jul 21
|
Chance Rain Showers
|
86°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lebanon.
