New York, NY 23° Los Angeles, CA 17° Chicago, IL 24° Houston, TX 26° Miami, FL 25° Phoenix, AZ 30° Seattle, WA 12° Denver, CO 24° Toronto, ON 17° Vancouver, BC 13°
WeatherLivePennsylvaniaLebanon South

Lebanon South, PA Weather (17042)

Current WeatherLebanon South · 5:42 AM EDT
29° | 21°
22°C
Feels like 24°
Sunny
WindW 6 mph · Gusts 13 mph
Precip69% · 0.10 in
Humidity85% · Dew point 19°
UV index5 Moderate
Air Quality31 Good
Pressure29.91 inHg
Visibility1 mi
Sunrise / Sunset6:36 AM · 7:33 PM · 12h 57m

Weather map — Lebanon South

Full radar →
Now
22°
14%
6 mph
06:00
22°
32%
6 mph
07:00
21°
16%
5 mph
08:00
23°
11%
7 mph
09:00
25°
9%
11 mph
10:00
25°
8%
13 mph
11:00
27°
10%
12 mph
12:00
29°
5%
12 mph
13:00
28°
3%
12 mph
14:00
29°
8%
13 mph
15:00
29°
12%
15 mph
16:00
29°
14%
12 mph
17:00
28°
16%
8 mph
18:00
25°
26%
6 mph
19:00
25°
0.02 in
5 mph
20:00
24°
40%
5 mph
21:00
24°
39%
7 mph
22:00
23°
0.03 in
6 mph
23:00
21°
0.04 in
4 mph
00:00
21°
38%
1 mph
01:00
21°
37%
3 mph
02:00
21°
38%
5 mph
03:00
21°
32%
5 mph
04:00
20°
29%
6 mph

Today · Fri 9/4

High 29°
69% / 0.10 in

Mostly cloudy. Winds NW at 15 mph.

Overnight · Fri 9/4

Low 21°
— / –

Mostly cloudy.

Tomorrow · Sat 9/5

25° | 18°
13% / –

Mostly cloudy. Winds NW at 12 mph.

7-day trend

Lebanon South · temperature + precipitation

10-day forecast

Updated 5:42 AM

Details & indices

Wind
6 mph W
Gusts 13 mph
Humidity
85%
Dew point 19°
Pressure
29.91 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Good
AQI 31 · US EPA
Allergy
High
Ragweed
Visibility
1 mi
Reduced
Allergy — Lebanon South

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Moderate

Sun & moon

Sunrise6:36 AM
Sunset7:33 PM
Length of day12h 57m
Moonrise11:52 PM
Moonset3:03 PM
Next full moonSep 26 Harvest Moon
Latitude40.3280°N
Longitude-76.4064°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Poor
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Philadelphia
Rain
24°
Pittsburgh
Showers
21°
Data sources · Friday, September 4
Where the Lebanon South forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.3280°N, -76.4064°.
NBM + global weather models
Updated: 5:42 AM
Weather in Lebanon South
Over the next 10 days Lebanon South tops out around 31° (Thursday) and dips to 12° on the coolest night (Saturday). Models drop roughly 0.22 in of precipitation across the stretch — watch Wednesday (71%). The NWS alert board for this area is currently clear. Right now Lebanon South is running about 50° warmer than Bridgeport. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Lebanon South, PA · Elev 518 ft · 40.33°N, 76.41°W · Pennsylvania · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:42 AM