How does NOAA issue severe storm watches for Severn?

The National Weather Service (NWS) monitors atmospheric instability across Maryland. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Severn today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

Minor NOAA AlertExpires: Sep 22, 09:45 PM

Coastal Flood Advisory — Anne Arundel

Coastal Flood Advisory issued September 22 at 9:35AM EDT until September 24 at 12:00AM EDT by NWS Baltimore MD/Washington DC

Moderate NOAA AlertExpires: Sep 22, 09:45 PM

Coastal Flood Watch — Anne Arundel

Coastal Flood Watch issued September 22 at 9:35AM EDT until September 24 at 11:00AM EDT by NWS Baltimore MD/Washington DC

MD, USAZIP 21144Live NOAA Station

Severn, MD

Drizzle•体感温度 58°F-1° wind chill

63°F/58°F

10 mph 41°

96%湿度

60°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

更新时间: 08:30 AM (America/New_York)

Daily Meteorological Briefing

Severn, MD

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Periodic rain showers and wet ground are observed across Severn, MD today.

Current temperature is 60°F (feels like 58°F), with daytime highs reaching 63°F and overnight lows around 58°F. Humidity is at 96%, with atmospheric pressure steady at 1023.7 hPa.

Keep an umbrella handy if heading outdoors and expect minor roadway spray.

Daily Range

Δ 3° Variation

Rain Likelihood

Active Showers

Solar Exposure

UV 0.6 • Moderate

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

逐小时预报

Next 16 Hours

Now

63°F

17%

1 AM

62°F

23%

2 AM

62°F

36%

3 AM

62°F

42%

4 AM

62°F

51%

5 AM

61°F

49%

6 AM

60°F

53%

7 AM

59°F

70%

8 AM

59°F

83%

9 AM

59°F

66%

10 AM

58°F

57%

11 AM

58°F

45%

12 PM

60°F

45%

1 PM

60°F

45%

2 PM

60°F

57%

3 PM

60°F

62%

10天天气预报

Extended 10-day meteorological outlook

10-Day Range

Today

Sep 22

83%

58°F

63°F

Wed

Sep 23

39%

54°F

61°F

Thu

Sep 24

51°F

69°F

Fri

Sep 25

55°F

73°F

Sat

Sep 26

10%

57°F

76°F

Sun

Sep 27

20%

60°F

77°F

Mon

Sep 28

61°F

79°F

Tue

Sep 29

63°F

82°F

Wed

Sep 30

12%

63°F

87°F

Thu

Oct 1

18%

64°F

88°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

紫外线指数Low

0.6 / 11+

No protection neededPeak 0.6

风向与风速41°

10 mph

Wind Gusts:26 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise06:54 AM

Sunset07:03 PM

Solar Noon:12:54 PM

湿度Humid

96%

露点:59°F

气压Steady

30.23 inHg

Trend:Stable (+0.1 hPa)

能见度Clear

7.3 mi

Haze:Minimal

Air Quality Index (AQI)Good

34US EPA Standard

Air quality is ideal for outdoor activities.

PM2.56 µg

OZONE56 µg

PM107 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsGood

Pleasant conditions for light outdoor activities.

Car WashNot Advised

Precipitation expected in the forecast over the next 24 hours.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise02:54 AM

Daylight ~13h

Sunset03:03 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

常见天气问答 - Severn, Maryland

The current weather in Severn is around 60°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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