South Lebanon, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Lebanon, PA in one place.
Mostly sunny, with a high near 65. East wind around 5 mph.
Local Weather Overview
This forecast page for South Lebanon, PA 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 3:19 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for South Lebanon, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:19 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in South Lebanon
Friday looks like the warmest upcoming period in South Lebanon at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Saturday at about 17 to 21 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:19 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers between midnight and 2am, then rain likely and a slight chance of thunderstorms. Mostly cloudy, with a low around 57. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 8am, then a chance of showers and thunderstorms between 3pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. South wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Northwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 52. North wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Widespread frost after 3am. Mostly clear, with a low around 33.
Widespread frost before 9am. Sunny, with a high near 56.
Mostly clear, with a low around 37.
Sunny, with a high near 61.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 43.
Sunny, with a high near 65.
Mostly clear, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Mostly Sunny
|
65°F |
5 mph
E
|
|
Tonight
Oct 15
|
Mostly Cloudy then Light Rain Likely
|
57°F |
5 to 10 mph
SE
|
|
Friday
Oct 16
|
Chance Light Rain then Chance Showers And Thunderstorms
|
79°F |
10 to 18 mph
S
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
45°F |
15 to 20 mph
NW
|
|
Saturday
Oct 17
|
Slight Chance Rain Showers then Mostly Sunny
|
52°F |
17 to 21 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear then Widespread Frost
|
33°F |
3 to 15 mph
N
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
56°F |
2 to 7 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
37°F |
1 to 6 mph
E
|
|
Monday
Oct 19
|
Sunny
|
61°F |
1 to 8 mph
SE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
41°F |
1 to 5 mph
NE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
65°F |
1 to 5 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
43°F |
3 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
65°F |
6 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
43°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Lebanon.
