Baltimore County, Maryland, United States

Last updated: 10:25 PM CDT  ·  Refresh
19°C
Feels like 19°
Clear
▲ 29°  /  ▼ 16°
Wind
8 mph N
Humidity
87%
Dew Point
17°
Pressure
29.59 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
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 clear at 19°C. Precipitation is likely — peak probability 55% around 11 PM. 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%
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
19°
3%
10 AM
20°
5%
11 AM
22°
5%
12 PM
23°
5%
1 PM
25°
5%
2 PM
26°
10%
3 PM
26°
20%
4 PM
26°
20%
5 PM
26°
24%
6 PM
25°
25%
7 PM
24°
25%
8 PM
24°
25%
9 PM
22°
26%
10 PM
22°
26%
7-Day Forecast
Tonight
29° 16°
Clear.
Fri
26° 16°
Mostly Clear with a 55% chance of rain.
Sat
23° 19°
Overcast with a 90% chance of rain.
Sun
29° 18°
Partly Cloudy with a 38% chance of rain.
Mon
28° 17°
Clear.
Tue
28° 17°
Rain, 61% chance.
Wed
29° 18°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Clear 3% 8 mph N 87%
12 AM 18° Clear 21% 8 mph N 89%
1 AM 18° Clear 14% 8 mph NNW 91%
2 AM 18° Mostly Clear 3% 7 mph NNW 92%
3 AM 17° Mostly Clear 3% 6 mph NNW 91%
4 AM 17° Partly Cloudy 3% 6 mph NNW 90%
5 AM 16° Partly Cloudy 3% 7 mph NNW 91%
6 AM 16° Partly Cloudy 3% 7 mph NNW 89%
7 AM 16° Partly Cloudy 3% 8 mph NNW 87%
8 AM 17° Partly Cloudy 3% 8 mph N 83%
9 AM 19° Partly Cloudy 3% 8 mph N 76%
10 AM 20° Mostly Clear 5% 7 mph N 69%
11 AM 22° Mostly Clear 5% 6 mph N 63%
12 PM 23° Mostly Clear 5% 6 mph N 59%
1 PM 25° Mostly Clear 5% 5 mph NNE 55%
2 PM 26° Clear 10% 4 mph NNE 52%
3 PM 26° Mostly Clear 20% 4 mph NNE 51%
4 PM 26° Mostly Clear 20% 4 mph NNE 50%
5 PM 26° Mostly Clear 24% 4 mph NNE 52%
6 PM 25° Partly Cloudy 25% 4 mph NE 56%
7 PM 24° Partly Cloudy 25% 3 mph NE 60%
8 PM 24° Partly Cloudy 25% 3 mph NE 63%
9 PM 22° Partly Cloudy 26% 3 mph NE 67%
10 PM 22° Partly Cloudy 26% 3 mph NE 70%
15-Day Forecast
Today
8/20
Clear
3%
16°
29°
Fri
8/21
Mostly Clear
55%
16°
26°
Sat
8/22
Overcast
90%
19°
23°
Sun
8/23
Partly Cloudy
38%
18°
29°
Mon
8/24
Clear
8%
17°
28°
Tue
8/25
Rain
61%
17°
28°
Wed
8/26
Rain
82%
18°
29°
Thu
8/27
Rain
82%
19°
27°
Fri
8/28
Rain
69%
19°
30°
Sat
8/29
Rain
68%
20°
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 LCLLFCEL0°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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE6 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index6.0
Kinematics
0–6 km Shear23 kt
0–1 km Shear15 kt
Eff. Shear—
0–1 km SRH-32
0–3 km SRH73
Eff. SRH—
Storm Motion327° @ 26 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index25.4
Thermo & Levels
PWAT1.40 in
0–3 km LR3.9 °C/km
700–500 LR5.4 °C/km
Total Totals37.4
LCL965 hPa
LFC1002 hPa
EL999 hPa
Freezing Lvl14,469 ft