Howard County, Maryland, United States

Last updated: 6:14 PM CDT · Refresh

31°C

Feels like 36°

Partly Cloudy

▲ 38° / ▼ 21°

Wind

9 mph S

Humidity

65%

Dew Point

21°

Pressure

29.46 inHg

Visibility

10 mi

UV Index

3.2

Cloud Cover

48%

Sunrise

5:46 AM

Sunset

8:37 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Howard County is currently partly cloudy at 31°C. Precipitation is likely — peak probability 90% around 6 PM. Atmospheric instability is elevated (CAPE up to 1519 J/kg) — isolated convective development possible. Sunrise: 5:46AM · Sunset: 8:37PM.

63 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

31°

46%

8 PM

28°

83%

9 PM

27°

50%

10 PM

26°

45%

11 PM

25°

45%

12 AM

25°

47%

1 AM

24°

45%

2 AM

24°

38%

3 AM

23°

33%

4 AM

23°

33%

5 AM

21°

23%

6 AM

22°

20%

7 AM

22°

8 AM

23°

19%

9 AM

26°

25%

10 AM

27°

37%

11 AM

28°

41%

12 PM

29°

45%

1 PM

32°

42%

2 PM

34°

53%

3 PM

34°

57%

4 PM

33°

57%

5 PM

32°

76%

6 PM

31°

90%

7-Day Forecast

Tonight

38° 21°

Partly Cloudy with a 46% chance of rain.

Sun

36° 21°

Partly Cloudy with a 90% chance of rain.

Mon

29° 21°

Overcast with a 85% chance of rain.

Tue

28° 19°

Mostly Cloudy with a 75% chance of rain.

Wed

28° 18°

Partly Cloudy with a 37% chance of rain.

Thu

33° 21°

Rain, 70% chance.

Fri

35° 22°

Rain, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 31° Partly Cloudy 46% 9 mph S 65%

8 PM 28° Mostly Cloudy 83% 7 mph S 82%

9 PM 27° Mostly Cloudy 50% 4 mph SSW 83%

10 PM 26° Mostly Cloudy 45% 6 mph WSW 83%

11 PM 25° Mostly Cloudy 45% 8 mph W 84%

12 AM 25° Mostly Cloudy 47% 6 mph WNW 85%

1 AM 24° Mostly Cloudy 45% 5 mph WSW 86%

2 AM 24° Rain 38% 4 mph SW 86%

3 AM 23° Mostly Cloudy 33% 3 mph WSW 87%

4 AM 23° Mostly Cloudy 33% 4 mph W 88%

5 AM 21° Partly Cloudy 23% 3 mph WSW 89%

6 AM 22° Partly Cloudy 20% 2 mph SW 87%

7 AM 22° Partly Cloudy 5% 2 mph ESE 84%

8 AM 23° Partly Cloudy 19% 3 mph E 81%

9 AM 26° Partly Cloudy 25% 3 mph ESE 75%

10 AM 27° Partly Cloudy 37% 4 mph ESE 70%

11 AM 28° Partly Cloudy 41% 4 mph ESE 65%

12 PM 29° Partly Cloudy 45% 4 mph ESE 61%

1 PM 32° Partly Cloudy 42% 4 mph SE 56%

2 PM 34° Partly Cloudy 53% 4 mph SE 52%

3 PM 34° Partly Cloudy 57% 5 mph ESE 52%

4 PM 33° Partly Cloudy 57% 5 mph ESE 51%

5 PM 32° Partly Cloudy 76% 6 mph ESE 53%

6 PM 31° Partly Cloudy 90% 5 mph ESE 62%

15-Day Forecast

Today

7/4

Partly Cloudy

46%

21°

38°

Sun

7/5

Partly Cloudy

90%

21°

36°

Mon

7/6

Overcast

85%

21°

29°

Tue

7/7

Mostly Cloudy

75%

19°

28°

Wed

7/8

Partly Cloudy

37%

18°

28°

Thu

7/9

Rain

70%

21°

33°

Fri

7/10

Rain

63%

22°

35°

Sat

7/11

Drizzle

53%

21°

32°

Sun

7/12

Rain

68%

19°

30°

Mon

7/13

Drizzle

44%

18°

31°

Tue

7/14

Drizzle

51%

21°

32°

Wed

7/15

Drizzle

60%

20°

32°

Thu

7/16

Drizzle

60%

21°

33°

Fri

7/17

Drizzle

60%

21°

32°

Sat

7/18

Drizzle

60%

21°

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

63 AQI 15.8 µg/m³

O₃

Ground-level ozone

49 AQI 54 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Sun 63 Moderate 49 63

Mon 64 Moderate 64 57

Tue 46 Good 36 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

SBCAPE1674 J/kg

MLCAPE1242 J/kg

MUCAPE1674 J/kg

SBCIN-298 J/kg

MLCIN0 J/kg

Lifted Index-5.1

Kinematics

0–6 km Shear22 kt

0–1 km Shear4 kt

Eff. Shear18 kt

0–1 km SRH-24

0–3 km SRH-64

Eff. SRH-39

Storm Motion213° @ 26 kt

0–1 km EHI-0.3

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index32.8

Thermo & Levels

PWAT1.65 in

0–3 km LR6.7 °C/km

700–500 LR6.3 °C/km

Total Totals51.7

LCL870 hPa

LFC751 hPa

EL167 hPa

Freezing Lvl14,754 ft

Howard County, Maryland, United States

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