Harford County, Maryland, United States

Last updated: 11:57 PM CDT · Refresh

21°C

Feels like 22°

Overcast

▲ 29° / ▼ 17°

Wind

9 mph SSW

Humidity

94%

Dew Point

21°

Pressure

29.34 inHg

Visibility

7 mi

UV Index

0.0

Cloud Cover

92%

Sunrise

5:56 AM

Sunset

8:26 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Harford County is currently overcast at 21°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1268 J/kg) — isolated convective development possible. Sunrise: 5:56AM · Sunset: 8:26PM.

56 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

21°

20%

1 AM

21°

29%

2 AM

21°

13%

3 AM

21°

14%

4 AM

21°

18%

5 AM

20°

15%

6 AM

21°

23%

7 AM

21°

22%

8 AM

23°

16%

9 AM

24°

24%

10 AM

26°

28%

11 AM

26°

36%

12 PM

27°

36%

1 PM

28°

33%

2 PM

28°

23%

3 PM

28°

23%

4 PM

28°

24%

5 PM

28°

24%

6 PM

27°

18%

7 PM

26°

18%

8 PM

24°

19%

9 PM

23°

19%

10 PM

22°

11 PM

22°

7-Day Forecast

Today

29° 17°

Mostly Clear with a 36% chance of rain.

Thu

28° 16°

Clear.

Fri

29° 14°

Partly Cloudy.

Sat

29° 16°

Partly Cloudy.

Sun

30° 16°

Rain, 70% chance.

Mon

32° 19°

Rain, 71% chance.

Tue

32° 18°

Rain, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 21° Overcast 20% 9 mph SSW 94%

1 AM 21° Overcast 29% 10 mph SW 92%

2 AM 21° Mostly Cloudy 13% 8 mph SW 93%

3 AM 21° Mostly Cloudy 14% 7 mph SW 94%

4 AM 21° Partly Cloudy 18% 8 mph SW 95%

5 AM 20° Partly Cloudy 15% 7 mph SW 93%

6 AM 21° Mostly Clear 23% 7 mph SW 92%

7 AM 21° Partly Cloudy 22% 8 mph WSW 91%

8 AM 23° Mostly Clear 16% 8 mph WSW 84%

9 AM 24° Partly Cloudy 24% 9 mph WSW 78%

10 AM 26° Partly Cloudy 28% 9 mph W 71%

11 AM 26° Partly Cloudy 36% 11 mph W 66%

12 PM 27° Partly Cloudy 36% 12 mph W 62%

1 PM 28° Mostly Clear 33% 14 mph W 56%

2 PM 28° Mostly Clear 23% 13 mph W 54%

3 PM 28° Partly Cloudy 23% 12 mph W 52%

4 PM 28° Partly Cloudy 24% 11 mph W 52%

5 PM 28° Partly Cloudy 24% 10 mph WNW 55%

6 PM 27° Mostly Clear 18% 9 mph WNW 59%

7 PM 26° Mostly Clear 18% 9 mph WNW 62%

8 PM 24° Mostly Clear 19% 9 mph NW 61%

9 PM 23° Mostly Clear 19% 9 mph NW 60%

10 PM 22° Mostly Clear 9% 10 mph NW 59%

11 PM 22° Partly Cloudy 9% 10 mph NW 59%

15-Day Forecast

Today

7/22

Mostly Clear

36%

17°

29°

Thu

7/23

Clear

10%

16°

28°

Fri

7/24

Partly Cloudy

14%

14°

29°

Sat

7/25

Partly Cloudy

19%

16°

29°

Sun

7/26

Rain

70%

16°

30°

Mon

7/27

Rain

71%

19°

32°

Tue

7/28

Rain

63%

18°

32°

Wed

7/29

Rain

63%

17°

30°

Thu

7/30

Drizzle

44%

16°

29°

Fri

7/31

Drizzle

51%

16°

29°

Sat

8/1

Drizzle

60%

18°

29°

Sun

8/2

Drizzle

60%

18°

30°

Mon

8/3

Drizzle

60%

19°

31°

Tue

8/4

Drizzle

60%

19°

32°

Wed

8/5

Drizzle

60%

20°

31°

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

PM_2.5

Fine particulate matter

Dominant

56 AQI 11.7 µg/m³

O₃

Ground-level ozone

39 AQI 42 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 56 Moderate 39 56

Thu 39 Good 39 26

Fri 40 Good 40 33

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Wed Jul 22, 03:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE35 J/kg

MLCAPE20 J/kg

MUCAPE50 J/kg

SBCIN-177 J/kg

MLCIN0 J/kg

Lifted Index-0.3

Kinematics

0–6 km Shear34 kt

0–1 km Shear25 kt

Eff. Shear—

0–1 km SRH29

0–3 km SRH0

Eff. SRH—

Storm Motion234° @ 35 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index30.7

Thermo & Levels

PWAT1.77 in

0–3 km LR4.2 °C/km

700–500 LR6.0 °C/km

Total Totals44.7

LCL980 hPa

LFC533 hPa

EL375 hPa

Freezing Lvl15,026 ft

Harford County, Maryland, United States

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