Washington County, Maryland, United States

Last updated: 7:10 PM CDT · Refresh

30°C

Feels like 36°

Partly Cloudy

▲ 36° / ▼ 21°

Wind

6 mph W

Humidity

75%

Dew Point

21°

Pressure

29.33 inHg

Visibility

10 mi

UV Index

1.3

Cloud Cover

56%

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 partly cloudy at 30°C. Precipitation is likely — peak probability 79% around 8 PM. Atmospheric instability is elevated (CAPE up to 1498 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

30°

52%

9 PM

28°

52%

10 PM

26°

53%

11 PM

26°

63%

12 AM

25°

47%

1 AM

25°

32%

2 AM

23°

20%

3 AM

23°

16%

4 AM

23°

16%

5 AM

23°

6 AM

21°

11%

7 AM

22°

12%

8 AM

23°

29%

9 AM

24°

32%

10 AM

27°

43%

11 AM

28°

44%

12 PM

29°

44%

1 PM

30°

45%

2 PM

33°

48%

3 PM

34°

57%

4 PM

33°

57%

5 PM

33°

68%

6 PM

31°

76%

7 PM

28°

78%

7-Day Forecast

Tonight

36° 21°

Partly Cloudy with a 63% chance of rain.

Sun

34° 21°

Heavy Rain, 79% chance.

Mon

29° 20°

Overcast with a 85% chance of rain.

Tue

28° 18°

Mostly Cloudy with a 86% chance of rain.

Wed

28° 17°

Partly Cloudy with a 28% chance of rain.

Thu

32° 19°

Rain, 70% chance.

Fri

34° 20°

Rain, 71% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 30° Partly Cloudy 52% 6 mph W 75%

9 PM 28° Mostly Cloudy 52% 7 mph WSW 82%

10 PM 26° Mostly Cloudy 53% 5 mph ESE 83%

11 PM 26° Mostly Cloudy 63% 5 mph E 86%

12 AM 25° Mostly Cloudy 47% 4 mph E 87%

1 AM 25° Mostly Cloudy 32% 2 mph SSE 88%

2 AM 23° Mostly Cloudy 20% 2 mph SSE 90%

3 AM 23° Mostly Cloudy 16% 2 mph SW 91%

4 AM 23° Mostly Cloudy 16% 3 mph NW 93%

5 AM 23° Mostly Cloudy 8% 4 mph NW 93%

6 AM 21° Mostly Cloudy 11% 3 mph NNW 91%

7 AM 22° Mostly Cloudy 12% 2 mph N 89%

8 AM 23° Drizzle 29% 3 mph SE 85%

9 AM 24° Partly Cloudy 32% 2 mph SE 79%

10 AM 27° Partly Cloudy 43% 2 mph SE 72%

11 AM 28° Mostly Clear 44% 3 mph SE 66%

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

1 PM 30° Mostly Clear 45% 3 mph SSE 59%

2 PM 33° Mostly Clear 48% 4 mph SSE 56%

3 PM 34° Mostly Clear 57% 4 mph SSE 56%

4 PM 33° Partly Cloudy 57% 4 mph SE 56%

5 PM 33° Partly Cloudy 68% 5 mph SE 58%

6 PM 31° Mostly Cloudy 76% 4 mph ESE 66%

7 PM 28° Heavy Rain 78% 5 mph NE 76%

15-Day Forecast

Today

7/4

Partly Cloudy

63%

21°

36°

Sun

7/5

Heavy Rain

79%

21°

34°

Mon

7/6

Overcast

85%

20°

29°

Tue

7/7

Mostly Cloudy

86%

18°

28°

Wed

7/8

Partly Cloudy

28%

17°

28°

Thu

7/9

Rain

70%

19°

32°

Fri

7/10

Rain

71%

20°

34°

Sat

7/11

Drizzle

53%

18°

31°

Sun

7/12

Rain

69%

17°

30°

Mon

7/13

Rain

63%

16°

30°

Tue

7/14

Drizzle

60%

17°

32°

Wed

7/15

Drizzle

60%

17°

32°

Thu

7/16

Drizzle

60%

18°

32°

Fri

7/17

Drizzle

60%

18°

32°

Sat

7/18

Drizzle

60%

18°

32°

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

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE1302 J/kg

MLCAPE852 J/kg

MUCAPE1302 J/kg

SBCIN-343 J/kg

MLCIN0 J/kg

Lifted Index-4.7

Kinematics

0–6 km Shear20 kt

0–1 km Shear10 kt

Eff. Shear13 kt

0–1 km SRH-16

0–3 km SRH-53

Eff. SRH-41

Storm Motion209° @ 24 kt

0–1 km EHI-0.1

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index32.9

Thermo & Levels

PWAT1.64 in

0–3 km LR6.6 °C/km

700–500 LR6.2 °C/km

Total Totals51.7

LCL873 hPa

LFC733 hPa

EL174 hPa

Freezing Lvl14,557 ft

Washington County, Maryland, United States

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