Baltimore County, Maryland, United States

Last updated: 9:09 PM CDT  ·  Refresh
19°C
Feels like 19°
Mostly Clear
▲ 29°  /  ▼ 16°
Wind
9 mph N
Humidity
85%
Dew Point
17°
Pressure
29.56 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
18%
Sunrise
6:24 AM
Sunset
7:55 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Baltimore County is currently mostly clear at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:24AM · Sunset: 7:55PM.

Alerts

No active alerts for this location.
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
3%
11 PM
18°
21%
12 AM
18°
21%
1 AM
18°
14%
2 AM
18°
3%
3 AM
17°
3%
4 AM
17°
3%
5 AM
16°
3%
6 AM
16°
3%
7 AM
16°
3%
8 AM
17°
3%
9 AM
18°
3%
10 AM
19°
5%
11 AM
21°
5%
12 PM
22°
5%
1 PM
24°
5%
2 PM
26°
5%
3 PM
26°
20%
4 PM
26°
20%
5 PM
26°
21%
6 PM
24°
25%
7 PM
24°
25%
8 PM
23°
28%
9 PM
22°
36%
7-Day Forecast
Tonight
29° 16°
Mostly Clear.
Fri
26° 16°
Partly Cloudy with a 40% chance of rain.
Sat
23° 19°
Overcast with a 90% chance of rain.
Sun
29° 18°
Mostly Cloudy with a 52% chance of rain.
Mon
28° 17°
Clear.
Tue
28° 17°
Rain, 61% chance.
Wed
29° 18°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Mostly Clear 3% 9 mph N 85%
11 PM 18° Clear 21% 8 mph N 85%
12 AM 18° Mostly Clear 21% 8 mph N 87%
1 AM 18° Partly Cloudy 14% 7 mph N 88%
2 AM 18° Partly Cloudy 3% 7 mph N 89%
3 AM 17° Partly Cloudy 3% 6 mph NNW 89%
4 AM 17° Partly Cloudy 3% 6 mph NNW 89%
5 AM 16° Mostly Cloudy 3% 7 mph NNW 91%
6 AM 16° Mostly Cloudy 3% 7 mph NNW 90%
7 AM 16° Mostly Cloudy 3% 7 mph N 88%
8 AM 17° Mostly Cloudy 3% 8 mph N 85%
9 AM 18° Partly Cloudy 3% 8 mph N 79%
10 AM 19° Partly Cloudy 5% 7 mph N 72%
11 AM 21° Mostly Clear 5% 7 mph N 65%
12 PM 22° Mostly Clear 5% 6 mph N 61%
1 PM 24° Partly Cloudy 5% 5 mph NNE 56%
2 PM 26° Partly Cloudy 5% 4 mph NE 53%
3 PM 26° Mostly Clear 20% 4 mph NE 52%
4 PM 26° Mostly Clear 20% 4 mph NE 52%
5 PM 26° Mostly Clear 21% 4 mph NE 53%
6 PM 24° Mostly Clear 25% 4 mph NE 57%
7 PM 24° Partly Cloudy 25% 4 mph NE 61%
8 PM 23° Partly Cloudy 28% 4 mph NE 64%
9 PM 22° Mostly Cloudy 36% 3 mph ENE 68%
15-Day Forecast
Today
8/20
Mostly Clear
3%
16°
29°
Fri
8/21
Partly Cloudy
40%
16°
26°
Sat
8/22
Overcast
90%
19°
23°
Sun
8/23
Mostly Cloudy
52%
18°
29°
Mon
8/24
Clear
8%
17°
28°
Tue
8/25
Rain
61%
17°
28°
Wed
8/26
Rain
71%
18°
29°
Thu
8/27
Rain
82%
19°
27°
Fri
8/28
Rain
68%
19°
30°
Sat
8/29
Rain
68%
19°
30°
Sun
8/30
Drizzle
60%
20°
31°
Mon
8/31
Drizzle
60%
18°
30°
Tue
9/1
Drizzle
60%
18°
28°
Wed
9/2
Drizzle
60%
17°
28°
Thu
9/3
Drizzle
60%
17°
27°
47
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
47 AQI 8.5 µg/m³
O3
Ground-level ozone
46 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 46 47
Sat 43 Good 43 30
Sun 36 Good 31 36
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE12 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index4.9
Kinematics
0–6 km Shear33 kt
0–1 km Shear17 kt
Eff. Shear—
0–1 km SRH-124
0–3 km SRH-18
Eff. SRH—
Storm Motion305° @ 30 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index30.1
Thermo & Levels
PWAT1.67 in
0–3 km LR3.8 °C/km
700–500 LR5.7 °C/km
Total Totals42.2
LCL963 hPa
LFC—
EL—
Freezing Lvl14,829 ft