Heat Advisory — Huntingdon, PA, Mifflin, PA, Juniata, PA, Fulton, PA, Franklin, PA, Perry, PA, Dauphin, PA, Lebanon, PA, Cumberland, PA, Adams, PA, York, PA, Lancaster, PA 7:00 PM Areal Flood Watch 11:00 PM

Franklin County, Pennsylvania, United States

Last updated: 5:36 AM CDT  ·  Refresh
21°C
Feels like 23°
Partly Cloudy
▲ 32°  /  ▼ 21°
Wind
6 mph N
Humidity
96%
Dew Point
20°
Pressure
29.30 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
58%
Sunrise
6:40 AM
Sunset
7:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Franklin County is currently partly cloudy at 21°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2172 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 7:39PM.

46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
43%
7 AM
19°
44%
8 AM
21°
25%
9 AM
21°
25%
10 AM
23°
26%
11 AM
25°
21%
12 PM
27°
21%
1 PM
31°
15%
2 PM
31°
29%
3 PM
32°
34%
4 PM
31°
34%
5 PM
32°
34%
6 PM
30°
42%
7 PM
28°
42%
8 PM
26°
42%
9 PM
24°
38%
10 PM
24°
39%
11 PM
24°
40%
12 AM
23°
33%
1 AM
23°
33%
2 AM
23°
34%
3 AM
23°
34%
4 AM
22°
29%
5 AM
21°
26%
7-Day Forecast
Today
32° 21°
Mostly Clear with a 43% chance of rain.
Fri
31° 21°
Partly Cloudy with a 53% chance of rain.
Sat
26° 16°
Overcast with a 28% chance of rain.
Sun
23° 13°
Partly Cloudy.
Mon
24° 12°
Clear.
Tue
26° 13°
Clear.
Wed
28° 17°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Partly Cloudy 43% 6 mph N 96%
7 AM 19° Partly Cloudy 44% 4 mph SSW 94%
8 AM 21° Partly Cloudy 25% 4 mph SSW 91%
9 AM 21° Mostly Cloudy 25% 5 mph SW 86%
10 AM 23° Mostly Cloudy 26% 7 mph SW 81%
11 AM 25° Partly Cloudy 21% 8 mph SW 74%
12 PM 27° Mostly Clear 21% 8 mph WSW 65%
1 PM 31° Clear 15% 9 mph W 57%
2 PM 31° Clear 29% 9 mph W 53%
3 PM 32° Clear 34% 9 mph W 53%
4 PM 31° Clear 34% 8 mph WNW 54%
5 PM 32° Clear 34% 7 mph WNW 59%
6 PM 30° Mostly Clear 42% 6 mph WNW 67%
7 PM 28° Mostly Clear 42% 6 mph NW 74%
8 PM 26° Partly Cloudy 42% 5 mph NW 78%
9 PM 24° Mostly Cloudy 38% 4 mph WSW 80%
10 PM 24° Partly Cloudy 39% 4 mph SW 83%
11 PM 24° Partly Cloudy 40% 4 mph SW 85%
12 AM 23° Partly Cloudy 33% 4 mph SW 87%
1 AM 23° Mostly Cloudy 33% 4 mph SW 89%
2 AM 23° Mostly Cloudy 34% 3 mph SW 90%
3 AM 23° Partly Cloudy 34% 3 mph SW 91%
4 AM 22° Partly Cloudy 29% 2 mph SW 92%
5 AM 21° Partly Cloudy 26% 2 mph SW 92%
15-Day Forecast
Today
9/3
Mostly Clear
43%
21°
32°
Fri
9/4
Partly Cloudy
53%
21°
31°
Sat
9/5
Overcast
28%
16°
26°
Sun
9/6
Partly Cloudy
7%
13°
23°
Mon
9/7
Clear
8%
12°
24°
Tue
9/8
Clear
8%
13°
26°
Wed
9/9
Rain
28%
17°
28°
Thu
9/10
Drizzle
43%
17°
31°
Fri
9/11
Drizzle
44%
14°
25°
Sat
9/12
Drizzle
51%
13°
24°
Sun
9/13
Drizzle
60%
17°
28°
Mon
9/14
Drizzle
60%
15°
27°
Tue
9/15
Clear
60%
13°
25°
Wed
9/16
Drizzle
60%
13°
24°
Thu
9/17
Drizzle
60%
14°
25°
46
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
46 AQI 8.3 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 37 46
Fri 52 Moderate 41 52
Sat 38 Good 38 31
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 Thu Sep 3, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE53 J/kg
MLCAPE37 J/kg
MUCAPE839 J/kg
SBCIN-293 J/kg
MLCIN-295 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear43 kt
0–1 km Shear17 kt
Eff. Shear32 kt
0–1 km SRH4
0–3 km SRH23
Eff. SRH56
Storm Motion310° @ 31 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.8
K-Index36.3
Thermo & Levels
PWAT1.83 in
0–3 km LR4.0 °C/km
700–500 LR6.4 °C/km
Total Totals50.5
LCL981 hPa
LFC594 hPa
EL449 hPa
Freezing Lvl14,180 ft