Washington County, Maryland, United States

Last updated: 8:24 PM CDT · Refresh

24°C

Feels like 27°

Mostly Cloudy

▲ 36° / ▼ 20°

Wind

4 mph SE

Humidity

81%

Dew Point

21°

Pressure

29.37 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

77%

Sunrise

5:48 AM

Sunset

8:41 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Washington County is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 79% around 9 PM. Atmospheric instability is elevated (CAPE up to 1418 J/kg) — isolated convective development possible. Sunrise: 5:48AM · Sunset: 8:41PM.

60 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

24°

44%

10 PM

24°

52%

11 PM

24°

45%

12 AM

23°

32%

1 AM

22°

34%

2 AM

22°

18%

3 AM

22°

15%

4 AM

22°

16%

5 AM

20°

11%

6 AM

20°

7 AM

21°

8 AM

22°

21%

9 AM

24°

35%

10 AM

26°

35%

11 AM

28°

43%

12 PM

29°

44%

1 PM

32°

44%

2 PM

33°

50%

3 PM

33°

57%

4 PM

34°

57%

5 PM

33°

67%

6 PM

31°

68%

7 PM

29°

70%

8 PM

27°

71%

7-Day Forecast

Tonight

36° 20°

Mostly Cloudy with a 44% chance of rain.

Sun

34° 20°

Partly Cloudy with a 79% chance of rain.

Mon

29° 19°

Overcast with a 78% chance of rain.

Tue

28° 17°

Overcast with a 70% chance of rain.

Wed

28° 17°

Clear with a 28% chance of rain.

Thu

32° 18°

Drizzle, 70% chance.

Fri

33° 19°

Rain, 78% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 24° Mostly Cloudy 44% 4 mph SE 81%

10 PM 24° Overcast 52% 3 mph ESE 84%

11 PM 24° Overcast 45% 4 mph E 86%

12 AM 23° Mostly Cloudy 32% 4 mph E 88%

1 AM 22° Mostly Cloudy 34% 2 mph SE 89%

2 AM 22° Mostly Cloudy 18% 2 mph S 90%

3 AM 22° Mostly Cloudy 15% 2 mph WNW 92%

4 AM 22° Overcast 16% 4 mph NW 93%

5 AM 20° Mostly Cloudy 11% 4 mph NNW 92%

6 AM 20° Partly Cloudy 8% 3 mph N 90%

7 AM 21° Mostly Cloudy 5% 2 mph SE 87%

8 AM 22° Mostly Cloudy 21% 3 mph SSE 83%

9 AM 24° Partly Cloudy 35% 3 mph SE 77%

10 AM 26° Partly Cloudy 35% 3 mph SE 71%

11 AM 28° Partly Cloudy 43% 3 mph SE 66%

12 PM 29° Mostly Clear 44% 3 mph SE 62%

1 PM 32° Partly Cloudy 44% 3 mph SSE 57%

2 PM 33° Partly Cloudy 50% 4 mph SSE 53%

3 PM 33° Partly Cloudy 57% 5 mph SSE 53%

4 PM 34° Mostly Cloudy 57% 6 mph SE 53%

5 PM 33° Mostly Cloudy 67% 5 mph SE 57%

6 PM 31° Mostly Cloudy 68% 4 mph SE 66%

7 PM 29° Heavy Rain 70% 6 mph SE 75%

8 PM 27° Heavy Rain 71% 6 mph ESE 81%

15-Day Forecast

Today

7/4

Mostly Cloudy

44%

20°

36°

Sun

7/5

Partly Cloudy

79%

20°

34°

Mon

7/6

Overcast

78%

19°

29°

Tue

7/7

Overcast

70%

17°

28°

Wed

7/8

Clear

28%

17°

28°

Thu

7/9

Drizzle

70%

18°

32°

Fri

7/10

Rain

78%

19°

33°

Sat

7/11

Drizzle

53%

17°

31°

Sun

7/12

Rain

69%

16°

30°

Mon

7/13

Drizzle

44%

15°

31°

Tue

7/14

Drizzle

51%

17°

33°

Wed

7/15

Drizzle

60%

18°

34°

Thu

7/16

Drizzle

60%

18°

33°

Fri

7/17

Drizzle

60%

17°

32°

Sat

7/18

Drizzle

60%

18°

33°

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

60 AQI 14.1 µg/m³

O₃

Ground-level ozone

47 AQI 52 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 60 Moderate 47 60

Mon 49 Good 45 49

Tue 46 Good 42 46

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 Sat Jul 4, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE348 J/kg

MLCAPE675 J/kg

MUCAPE979 J/kg

SBCIN-240 J/kg

MLCIN0 J/kg

Lifted Index-2.6

Kinematics

0–6 km Shear19 kt

0–1 km Shear21 kt

Eff. Shear20 kt

0–1 km SRH-122

0–3 km SRH-108

Eff. SRH-108

Storm Motion206° @ 26 kt

0–1 km EHI-0.3

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index39.4

Thermo & Levels

PWAT2.07 in

0–3 km LR5.2 °C/km

700–500 LR5.9 °C/km

Total Totals51.2

LCL953 hPa

LFC719 hPa

EL367 hPa

Freezing Lvl14,072 ft

Washington County, Maryland, United States

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