York County, Pennsylvania, United States

Last updated: 10:22 PM CDT  ·  Refresh
18°C
Feels like 19°
Partly Cloudy
▲ 27°  /  ▼ 14°
Wind
4 mph NNW
Humidity
93%
Dew Point
17°
Pressure
29.57 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
30%
Sunrise
6:23 AM
Sunset
7:56 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: York County is currently partly cloudy at 18°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:23AM · Sunset: 7:56PM.

Alerts

No active alerts for this location.
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
3%
12 AM
18°
14%
1 AM
17°
14%
2 AM
17°
3%
3 AM
16°
3%
4 AM
16°
3%
5 AM
14°
3%
6 AM
14°
3%
7 AM
15°
3%
8 AM
16°
3%
9 AM
18°
3%
10 AM
19°
3%
11 AM
21°
5%
12 PM
22°
5%
1 PM
24°
5%
2 PM
25°
5%
3 PM
26°
5%
4 PM
26°
5%
5 PM
26°
9%
6 PM
24°
9%
7 PM
23°
9%
8 PM
23°
11%
9 PM
21°
26%
10 PM
21°
26%
7-Day Forecast
Tonight
27° 14°
Partly Cloudy.
Fri
26° 14°
Partly Cloudy with a 29% chance of rain.
Sat
24° 17°
Overcast with a 64% chance of rain.
Sun
28° 15°
Partly Cloudy with a 37% chance of rain.
Mon
27° 14°
Clear.
Tue
27° 14°
Rain, 61% chance.
Wed
28° 16°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 18° Partly Cloudy 3% 4 mph NNW 93%
12 AM 18° Partly Cloudy 14% 5 mph NNW 93%
1 AM 17° Mostly Clear 14% 5 mph NNW 93%
2 AM 17° Mostly Clear 3% 4 mph NNW 94%
3 AM 16° Mostly Clear 3% 4 mph NW 94%
4 AM 16° Mostly Clear 3% 4 mph NW 94%
5 AM 14° Partly Cloudy 3% 4 mph NNW 95%
6 AM 14° Partly Cloudy 3% 5 mph NNW 94%
7 AM 15° Partly Cloudy 3% 5 mph NNW 92%
8 AM 16° Partly Cloudy 3% 6 mph N 88%
9 AM 18° Partly Cloudy 3% 6 mph N 81%
10 AM 19° Partly Cloudy 3% 6 mph N 74%
11 AM 21° Partly Cloudy 5% 6 mph N 68%
12 PM 22° Partly Cloudy 5% 5 mph N 64%
1 PM 24° Mostly Clear 5% 5 mph N 59%
2 PM 25° Mostly Clear 5% 4 mph NNE 56%
3 PM 26° Partly Cloudy 5% 4 mph NNE 54%
4 PM 26° Partly Cloudy 5% 4 mph NNE 53%
5 PM 26° Partly Cloudy 9% 4 mph NE 54%
6 PM 24° Partly Cloudy 9% 4 mph NE 58%
7 PM 23° Partly Cloudy 9% 3 mph NE 62%
8 PM 23° Partly Cloudy 11% 3 mph NE 65%
9 PM 21° Partly Cloudy 26% 3 mph NE 68%
10 PM 21° Partly Cloudy 26% 3 mph NE 70%
15-Day Forecast
Today
8/20
Partly Cloudy
3%
14°
27°
Fri
8/21
Partly Cloudy
29%
14°
26°
Sat
8/22
Overcast
64%
17°
24°
Sun
8/23
Partly Cloudy
37%
15°
28°
Mon
8/24
Clear
8%
14°
27°
Tue
8/25
Rain
61%
14°
27°
Wed
8/26
Rain
71%
16°
28°
Thu
8/27
Rain
82%
18°
27°
Fri
8/28
Drizzle
69%
18°
29°
Sat
8/29
Rain
68%
18°
29°
Sun
8/30
Drizzle
60%
18°
30°
Mon
8/31
Drizzle
60%
17°
30°
Tue
9/1
Drizzle
60%
16°
27°
Wed
9/2
Drizzle
60%
16°
27°
Thu
9/3
Drizzle
60%
16°
26°
55
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
55 AQI 11.3 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 38 55
Sat 49 Good 40 49
Sun 55 Moderate 26 55
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Aug 21, 01:00'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
SBCAPE0 J/kg
MLCAPE1 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index5.9
Kinematics
0–6 km Shear19 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH-26
0–3 km SRH15
Eff. SRH—
Storm Motion340° @ 25 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index24.2
Thermo & Levels
PWAT1.39 in
0–3 km LR3.6 °C/km
700–500 LR5.5 °C/km
Total Totals38.3
LCL982 hPa
LFC—
EL—
Freezing Lvl14,501 ft