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WeatherLivePennsylvaniaLebanon South

Lebanon South, PA Weather (17042)

Current WeatherLebanon South · 9:40 AM EDT
33° | 21°
22°C
Feels like 25°
Heavy rain
WindSW 4 mph · Gusts 7 mph
Precip86% · 12.02 in
Humidity96% · Dew point 21°
UV index8 High
Air Quality33 Good
Pressure30.00 inHg
Visibility1 mi
Sunrise / Sunset6:35 AM · 7:34 PM · 12h 59m

Weather map — Lebanon South

Full radar →
Now
22°
1.33 in
4 mph
10:00
24°
1.33 in
5 mph
11:00
26°
1.33 in
6 mph
12:00
27°
1.33 in
8 mph
13:00
30°
4%
9 mph
14:00
32°
2%
10 mph
15:00
33°
5%
10 mph
16:00
33°
13%
8 mph
17:00
31°
11%
11 mph
18:00
28°
0.04 in
20 mph
19:00
26°
18%
18 mph
20:00
25°
20%
10 mph
21:00
24°
20%
6 mph
22:00
23°
21%
4 mph
23:00
22°
23%
1 mph
00:00
22°
10%
3 mph
01:00
21°
12%
5 mph
02:00
21°
13%
5 mph
03:00
21°
16%
5 mph
04:00
21°
13%
6 mph
05:00
21°
16%
6 mph
06:00
21°
17%
6 mph
07:00
21°
23%
6 mph
08:00
21°
27%
4 mph

Today · Thu 9/3

High 33°
86% / 12.02 in

Heavy rain. Winds W at 20 mph.

Tonight · Thu 9/3

Low 21°
20% / –

Mostly cloudy. Winds W at 6 mph.

Tomorrow · Fri 9/4

26° | 21°
61% / 0.05 in

Sunny. Winds W at 11 mph.

7-day trend

Lebanon South · temperature + precipitation

10-day forecast

Updated 9:40 AM

Details & indices

Wind
4 mph SW
Gusts 7 mph
Humidity
96%
Dew point 21°
Pressure
30.00 inHg
Rising
UV index
8 — High
High today
Air Quality
Good
AQI 33 · US EPA
Allergy
Low
Ragweed
Visibility
1 mi
Reduced
Allergy — Lebanon South

🌿 Conditions right now

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

Sun & moon

Sunrise6:35 AM
Sunset7:34 PM
Length of day12h 59m
Moonrise10:56 PM
Moonset1:53 PM
Next full moonSep 26 Harvest Moon
Latitude40.3280°N
Longitude-76.4064°E

Water temps nearby

View all →
No beaches within 50 miles
🌦️Dry now — rain moving in around 10:45 AM (65 min)
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
Poor
Dinner outdoors
Nearby places in {{REGION}}
Philadelphia
Heavy rain
23°
Pittsburgh
Light rain
24°
Data sources · Thursday, September 3
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: 9:40 AM
Weather in Lebanon South
Over the next 10 days Lebanon South tops out around 34° (Wednesday) and dips to 12° on the coolest night (Friday). Models drop roughly 12.1 in of precipitation across the stretch — watch Thursday (86%). Expect a blustery spell — gusts near 35 mph on Thursday. Heads up: a Flood Warning is in effect — check the alerts tab before making plans. Right now Lebanon South is running about 52° warmer than Allentown. 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: 9:40 AM