Lebanon South, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lebanon South weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain42%0.37″99°75°—
- SundayJul 5Showers55%0.19″94°73°-5°
- MondayJul 6Thunderstorm93%0.26″81°71°-13°
- TuesdayJul 7Light Showers78%0.02″81°65°0°
- WednesdayJul 8Light Drizzle17%0.01″71°62°-10°
- ThursdayJul 9Light Drizzle13%—86°64°+15°
- FridayJul 10Drizzle51%0.02″82°68°-4°
AQI 89 (Moderate), driven by Ozone. AQI up 32 in the last 6 hours — air quality is degrading. Ozone at AQI 71 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 71 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 71
- UV peak
- 1.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 71
PM × Wind × Precip
PM2.5 at 6.5 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 1h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:59 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lebanon South at a glance
- Today vs. normal: 28°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Lebanon South
- Sat99°76°42%
- Sun94°72°55%
- Mon81°71°93%
- Tue81°65°78%
- Wed71°62°17%
- Thu86°64°13%
- Fri82°68°51%
- Sat86°66°30%
- Sun78°63°26%
- Mon81°64°18%
- Tue83°62°18%
- Wed85°60°36%
- Thu87°62°48%
- Fri85°65°41%
- Sat88°67°40%
- Sun85°70°55%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Lebanon South
SPC has placed Lebanon South in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Lebanon South
- 17042