Lebanon County, Pennsylvania, United States

Last updated: 10:30 PM CDT  ·  Refresh
21°C
Feels like 22°
Mostly Cloudy
▲ 28°  /  ▼ 18°
Wind
8 mph SSW
Humidity
92%
Dew Point
19°
Pressure
29.10 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
83%
Sunrise
5:53 AM
Sunset
8:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lebanon County is currently mostly cloudy at 21°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 840 J/kg) — isolated convective development possible. Sunrise: 5:53AM · Sunset: 8:30PM.

Alerts

No active alerts for this location.
84 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
17%
12 AM
21°
21%
1 AM
20°
16%
2 AM
20°
14%
3 AM
20°
9%
4 AM
20°
11%
5 AM
19°
16%
6 AM
20°
13%
7 AM
21°
13%
8 AM
22°
16%
9 AM
24°
21%
10 AM
25°
22%
11 AM
26°
13%
12 PM
26°
15%
1 PM
27°
16%
2 PM
27°
16%
3 PM
27°
6%
4 PM
27°
7%
5 PM
28°
7%
6 PM
26°
3%
7 PM
24°
3%
8 PM
23°
3%
9 PM
21°
3%
10 PM
21°
3%
7-Day Forecast
Tonight
28° 18°
Mostly Cloudy.
Wed
28° 15°
Mostly Clear.
Thu
28° 13°
Clear.
Fri
28° 13°
Partly Cloudy.
Sat
28° 14°
Clear.
Sun
29° 15°
Rain, 70% chance.
Mon
31° 17°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 17% 8 mph SSW 92%
12 AM 21° Mostly Cloudy 21% 8 mph SSW 92%
1 AM 20° Mostly Cloudy 16% 8 mph SSW 93%
2 AM 20° Mostly Cloudy 14% 8 mph SSW 94%
3 AM 20° Mostly Cloudy 9% 7 mph SW 94%
4 AM 20° Partly Cloudy 11% 7 mph SW 96%
5 AM 19° Partly Cloudy 16% 7 mph WSW 95%
6 AM 20° Partly Cloudy 13% 6 mph WSW 93%
7 AM 21° Partly Cloudy 13% 7 mph WSW 91%
8 AM 22° Mostly Clear 16% 8 mph W 85%
9 AM 24° Partly Cloudy 21% 10 mph W 77%
10 AM 25° Partly Cloudy 22% 11 mph W 69%
11 AM 26° Partly Cloudy 13% 12 mph W 65%
12 PM 26° Partly Cloudy 15% 12 mph W 62%
1 PM 27° Mostly Clear 16% 12 mph W 60%
2 PM 27° Mostly Clear 16% 13 mph W 57%
3 PM 27° Mostly Clear 6% 13 mph W 54%
4 PM 27° Clear 7% 14 mph WNW 50%
5 PM 28° Clear 7% 13 mph WNW 50%
6 PM 26° Clear 3% 12 mph WNW 54%
7 PM 24° Clear 3% 11 mph NW 58%
8 PM 23° Clear 3% 10 mph NW 61%
9 PM 21° Mostly Clear 3% 10 mph NW 62%
10 PM 21° Mostly Clear 3% 9 mph NW 62%
15-Day Forecast
Today
7/21
Mostly Cloudy
17%
18°
28°
Wed
7/22
Mostly Clear
16%
15°
28°
Thu
7/23
Clear
3%
13°
28°
Fri
7/24
Partly Cloudy
3%
13°
28°
Sat
7/25
Clear
8%
14°
28°
Sun
7/26
Rain
70%
15°
29°
Mon
7/27
Rain
71%
17°
31°
Tue
7/28
Thunderstorm
71%
17°
29°
Wed
7/29
Drizzle
44%
16°
30°
Thu
7/30
Drizzle
44%
15°
28°
Fri
7/31
Clear
60%
14°
29°
Sat
8/1
Drizzle
60%
16°
28°
Sun
8/2
Drizzle
60%
16°
29°
Mon
8/3
Drizzle
60%
17°
30°
Tue
8/4
Rain
90%
18°
31°
84
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
84 AQI 27.0 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 84 Moderate 36 84
Thu 57 Moderate 33 57
Fri 62 Moderate 38 62
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 22, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE38 J/kg
MLCAPE9 J/kg
MUCAPE109 J/kg
SBCIN-86 J/kg
MLCIN0 J/kg
Lifted Index0.2
Kinematics
0–6 km Shear35 kt
0–1 km Shear18 kt
Eff. Shear22 kt
0–1 km SRH13
0–3 km SRH-15
Eff. SRH-37
Storm Motion227° @ 36 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.6
Thermo & Levels
PWAT1.70 in
0–3 km LR5.0 °C/km
700–500 LR5.3 °C/km
Total Totals45.0
LCL957 hPa
LFC702 hPa
EL363 hPa
Freezing Lvl14,698 ft