Hagerstown, Maryland

Last updated: 9:11 PM CDT  ·  Refresh
19°C
Feels like 19°
Mostly Clear
▲ 27°  /  ▼ 14°
Wind
7 mph N
Humidity
87%
Dew Point
17°
Pressure
29.43 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
28%
Sunrise
6:27 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hagerstown is currently mostly clear at 19°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:27AM · Sunset: 7:59PM.

Alerts

No active alerts for this location.
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
3%
11 PM
18°
21%
12 AM
18°
14%
1 AM
18°
14%
2 AM
17°
3%
3 AM
17°
3%
4 AM
17°
6%
5 AM
14°
6%
6 AM
15°
6%
7 AM
15°
6%
8 AM
16°
6%
9 AM
18°
7%
10 AM
19°
3%
11 AM
21°
3%
12 PM
22°
3%
1 PM
24°
3%
2 PM
25°
3%
3 PM
26°
3%
4 PM
26°
3%
5 PM
26°
8%
6 PM
25°
12%
7 PM
24°
12%
8 PM
23°
12%
9 PM
21°
25%
7-Day Forecast
Tonight
27° 14°
Mostly Clear.
Fri
26° 14°
Partly Cloudy with a 40% chance of rain.
Sat
24° 17°
Overcast with a 69% chance of rain.
Sun
28° 15°
Partly Cloudy with a 42% chance of rain.
Mon
28° 14°
Clear.
Tue
28° 14°
Rain, 61% chance.
Wed
29° 16°
Heavy Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Mostly Clear 3% 7 mph N 87%
11 PM 18° Clear 21% 6 mph N 89%
12 AM 18° Mostly Clear 14% 6 mph N 90%
1 AM 18° Partly Cloudy 14% 5 mph N 90%
2 AM 17° Partly Cloudy 3% 5 mph NNW 90%
3 AM 17° Mostly Cloudy 3% 4 mph NNW 91%
4 AM 17° Partly Cloudy 6% 4 mph NNW 91%
5 AM 14° Mostly Cloudy 6% 4 mph NNW 93%
6 AM 15° Mostly Cloudy 6% 4 mph NNW 91%
7 AM 15° Mostly Cloudy 6% 5 mph N 89%
8 AM 16° Mostly Cloudy 6% 5 mph N 85%
9 AM 18° Partly Cloudy 7% 6 mph N 80%
10 AM 19° Fog 3% 6 mph N 74%
11 AM 21° Haze 3% 5 mph N 69%
12 PM 22° Mostly Clear 3% 4 mph NNE 61%
1 PM 24° Mostly Clear 3% 4 mph NE 54%
2 PM 25° Mostly Clear 3% 4 mph ENE 48%
3 PM 26° Mostly Clear 3% 4 mph ENE 48%
4 PM 26° Mostly Clear 3% 4 mph ENE 48%
5 PM 26° Mostly Clear 8% 4 mph E 49%
6 PM 25° Partly Cloudy 12% 4 mph ENE 53%
7 PM 24° Partly Cloudy 12% 4 mph ENE 57%
8 PM 23° Partly Cloudy 12% 4 mph NE 61%
9 PM 21° Partly Cloudy 25% 4 mph ENE 66%
15-Day Forecast
Today
8/20
Mostly Clear
3%
14°
27°
Fri
8/21
Partly Cloudy
40%
14°
26°
Sat
8/22
Overcast
69%
17°
24°
Sun
8/23
Partly Cloudy
42%
15°
28°
Mon
8/24
Clear
7%
14°
28°
Tue
8/25
Rain
61%
14°
28°
Wed
8/26
Heavy Rain
82%
16°
29°
Thu
8/27
Rain
63%
18°
27°
Fri
8/28
Drizzle
68%
17°
31°
Sat
8/29
Drizzle
68%
18°
31°
Sun
8/30
Drizzle
60%
18°
33°
Mon
8/31
Drizzle
60%
17°
33°
Tue
9/1
Drizzle
60%
16°
28°
Wed
9/2
Drizzle
60%
16°
28°
Thu
9/3
Drizzle
60%
16°
27°
41
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 37 41
Sat 34 Good 34 24
Sun 37 Good 37 28
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 Thu Aug 20, 23:00'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
MLCAPE16 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index4.8
Kinematics
0–6 km Shear32 kt
0–1 km Shear15 kt
Eff. Shear—
0–1 km SRH-71
0–3 km SRH21
Eff. SRH—
Storm Motion325° @ 28 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.7
Thermo & Levels
PWAT1.55 in
0–3 km LR3.9 °C/km
700–500 LR5.6 °C/km
Total Totals40.8
LCL963 hPa
LFC—
EL—
Freezing Lvl14,547 ft