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Current weather in St. Leonard is overcast clouds.

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Weather data for St. Leonard is updated regularly with the latest available observations and forecasts.

Now · 9:49 AM

St. Leonard Weather & Hourly Forecast

United States · Maryland · 20685

62°F

Overcast

Feels like: 55°F

💧 Humidity 86% 🌡 Pressure 30.33 inHg 💨 Wind 17 mph 👁 Visibility 7.4 mi ☁ Clouds 100% ☀️ UV index 0.1 · Low 🌅 Sunrise 6:53 AM 🌇 Sunset 7:03 PM

Hourly Forecast for St. Leonard

Today

10:00 AM

Overcast

62° 💧 0.019 in 💨 17 mph H 86%30.33 inHg

1:00 PM

Light rain

66° 💧 0.013 in 💨 17 mph H 74%30.33 inHg

4:00 PM

Overcast

69° 💧 None 💨 17 mph H 63%30.30 inHg

7:00 PM

Overcast

67° 💧 None 💨 19 mph H 64%30.30 inHg

10:00 PM

Mostly cloudy night

65° 💧 None 💨 19 mph H 68%30.33 inHg

Tomorrow

1:00 AM

Partly cloudy night

64° 💧 0.001 in 💨 17 mph H 71%30.30 inHg

4:00 AM

Overcast night

62° 💧 None 💨 17 mph H 76%30.27 inHg

7:00 AM

Overcast

60° 💧 0.001 in 💨 19 mph H 79%30.30 inHg

10:00 AM

Overcast

61° 💧 None 💨 19 mph H 77%30.30 inHg

1:00 PM

Overcast

64° 💧 0.013 in 💨 16 mph H 73%30.27 inHg

4:00 PM

Overcast

64° 💧 0.004 in 💨 15 mph H 70%30.24 inHg

7:00 PM

Overcast

64° 💧 None 💨 12 mph H 62%30.24 inHg

10:00 PM

Partly cloudy night

64° 💧 None 💨 13 mph H 60%30.24 inHg

Friday

1:00 AM

Overcast night

63° 💧 None 💨 14 mph H 62%30.18 inHg

4:00 AM

Overcast night

62° 💧 None 💨 15 mph H 59%30.15 inHg

7:00 AM

Overcast

61° 💧 None 💨 17 mph H 64%30.15 inHg

Today

10:00 AM

Overcast

62° 💧 0.003 in 💨 17 mph H 86%30.33 inHg

11:00 AM

Light rain

63° 💧 0.005 in 💨 17 mph H 81%30.33 inHg

12:00 PM

Light rain

65° 💧 0.011 in 💨 16 mph H 78%30.33 inHg

1:00 PM

Light rain

66° 💧 0.009 in 💨 17 mph H 74%30.33 inHg

2:00 PM

Overcast

67° 💧 0.004 in 💨 17 mph H 69%30.30 inHg

3:00 PM

Overcast

68° 💧 None 💨 17 mph H 66%30.30 inHg

4:00 PM

Overcast

69° 💧 None 💨 17 mph H 63%30.30 inHg

5:00 PM

Overcast

68° 💧 None 💨 18 mph H 65%30.30 inHg

6:00 PM

Overcast

67° 💧 None 💨 18 mph H 65%30.30 inHg

7:00 PM

Overcast

67° 💧 None 💨 19 mph H 64%30.30 inHg

8:00 PM

Mostly cloudy night

66° 💧 None 💨 19 mph H 66%30.33 inHg

9:00 PM

Mostly cloudy night

65° 💧 None 💨 19 mph H 68%30.33 inHg

10:00 PM

Mostly cloudy night

65° 💧 None 💨 19 mph H 68%30.33 inHg

11:00 PM

Mostly cloudy night

64° 💧 None 💨 18 mph H 70%30.33 inHg

Tomorrow

12:00 AM

Mostly cloudy night

64° 💧 None 💨 17 mph H 70%30.33 inHg

1:00 AM

Partly cloudy night

64° 💧 0.001 in 💨 17 mph H 71%30.30 inHg

2:00 AM

Mostly cloudy night

63° 💧 None 💨 16 mph H 72%30.30 inHg

3:00 AM

Overcast night

62° 💧 None 💨 17 mph H 74%30.27 inHg

4:00 AM

Overcast night

62° 💧 None 💨 17 mph H 76%30.27 inHg

5:00 AM

Overcast night

62° 💧 None 💨 17 mph H 77%30.27 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 18 mph H 78%30.27 inHg

7:00 AM

Overcast

60° 💧 0.001 in 💨 19 mph H 79%30.30 inHg

8:00 AM

Overcast

60° 💧 None 💨 19 mph H 79%30.30 inHg

9:00 AM

Mostly cloudy

61° 💧 None 💨 18 mph H 78%30.30 inHg

10:00 AM

Overcast

61° 💧 None 💨 19 mph H 77%30.30 inHg

11:00 AM

Overcast

63° 💧 None 💨 19 mph H 74%30.30 inHg

12:00 PM

Mostly cloudy

63° 💧 None 💨 17 mph H 72%30.30 inHg

1:00 PM

Overcast

64° 💧 0.003 in 💨 16 mph H 73%30.27 inHg

2:00 PM

Light rain

64° 💧 0.007 in 💨 15 mph H 72%30.27 inHg

3:00 PM

Overcast

64° 💧 0.004 in 💨 15 mph H 72%30.24 inHg

4:00 PM

Overcast

64° 💧 0.004 in 💨 15 mph H 70%30.24 inHg

5:00 PM

Overcast

65° 💧 None 💨 15 mph H 65%30.24 inHg

6:00 PM

Mostly cloudy

65° 💧 None 💨 13 mph H 62%30.24 inHg

7:00 PM

Overcast

64° 💧 None 💨 12 mph H 62%30.24 inHg

8:00 PM

Mostly cloudy night

64° 💧 None 💨 12 mph H 61%30.21 inHg

9:00 PM

Overcast night

64° 💧 None 💨 12 mph H 60%30.24 inHg

10:00 PM

Partly cloudy night

64° 💧 None 💨 13 mph H 60%30.24 inHg

11:00 PM

Mostly cloudy night

63° 💧 None 💨 11 mph H 61%30.21 inHg

Friday

12:00 AM

Overcast night

62° 💧 None 💨 12 mph H 63%30.21 inHg

1:00 AM

Overcast night

63° 💧 None 💨 14 mph H 62%30.18 inHg

2:00 AM

Overcast night

63° 💧 None 💨 14 mph H 61%30.18 inHg

3:00 AM

Overcast night

62° 💧 None 💨 15 mph H 61%30.15 inHg

4:00 AM

Overcast night

62° 💧 None 💨 15 mph H 59%30.15 inHg

5:00 AM

Overcast night

61° 💧 None 💨 17 mph H 55%30.15 inHg

6:00 AM

Overcast night

61° 💧 None 💨 17 mph H 60%30.15 inHg

7:00 AM

Overcast

61° 💧 None 💨 17 mph H 64%30.15 inHg

8:00 AM

Overcast

61° 💧 None 💨 16 mph H 67%30.15 inHg

9:00 AM

Mostly cloudy

62° 💧 None 💨 16 mph H 66%30.15 inHg

10:00 AM

Partly cloudy

62° 💧 None 💨 17 mph H 64%30.18 inHg

11:00 AM

Mostly sunny

63° 💧 None 💨 17 mph H 62%30.15 inHg

12:00 PM

Sunny

64° 💧 None 💨 15 mph H 60%30.15 inHg

1:00 PM

Sunny

65° 💧 None 💨 14 mph H 59%30.15 inHg

2:00 PM

Sunny

67° 💧 None 💨 14 mph H 59%30.12 inHg

3:00 PM

Partly cloudy

68° 💧 None 💨 15 mph H 56%30.09 inHg

4:00 PM

Sunny

68° 💧 None 💨 14 mph H 57%30.09 inHg

5:00 PM

Sunny

69° 💧 None 💨 13 mph H 57%30.09 inHg

6:00 PM

Sunny

69° 💧 None 💨 13 mph H 58%30.09 inHg

7:00 PM

Clear night

68° 💧 None 💨 12 mph H 56%30.09 inHg

8:00 PM

Clear night

68° 💧 None 💨 12 mph H 55%30.09 inHg

Saturday

5:00 AM

Clear night

61° 💧 None 💨 11 mph H 80%30.03 inHg

8:00 AM

Sunny

60° 💧 None 💨 11 mph H 80%30.03 inHg

11:00 AM

Sunny

67° 💧 None 💨 11 mph H 67%30.03 inHg

2:00 PM

Sunny

72° 💧 None 💨 12 mph H 51%29.97 inHg

5:00 PM

Sunny

73° 💧 None 💨 12 mph H 47%29.91 inHg

8:00 PM

Partly cloudy night

68° 💧 None 💨 12 mph H 57%29.91 inHg

11:00 PM

Overcast night

64° 💧 None 💨 11 mph H 64%29.88 inHg

Sunday

2:00 AM

Light rain

62° 💧 None 💨 13 mph H 71%29.88 inHg

5:00 AM

Mostly cloudy night

61° 💧 None 💨 12 mph H 70%29.83 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 13 mph H 69%29.83 inHg

11:00 AM

Partly cloudy

67° 💧 None 💨 14 mph H 60%29.80 inHg

2:00 PM

Overcast

70° 💧 None 💨 13 mph H 56%29.80 inHg

5:00 PM

Overcast

69° 💧 None 💨 10 mph H 60%29.80 inHg

8:00 PM

Overcast night

66° 💧 None 💨 5 mph H 68%29.83 inHg

11:00 PM

Overcast night

65° 💧 None 💨 8 mph H 71%29.85 inHg

Monday

2:00 AM

Overcast night

64° 💧 None 💨 6 mph H 75%29.85 inHg

5:00 AM

Partly cloudy night

62° 💧 None 💨 6 mph H 80%29.85 inHg

8:00 AM

Overcast

61° 💧 None 💨 7 mph H 82%29.88 inHg

11:00 AM

Mostly sunny

67° 💧 None 💨 6 mph H 64%29.88 inHg

2:00 PM

Overcast

70° 💧 None 💨 2 mph H 60%29.88 inHg

5:00 PM

Overcast

70° 💧 None 💨 7 mph H 62%29.88 inHg

8:00 PM

Overcast night

67° 💧 None 💨 5 mph H 76%29.91 inHg

11:00 PM

Overcast night

66° 💧 None 💨 6 mph H 78%29.91 inHg

Tuesday

2:00 AM

Overcast night

64° 💧 None 💨 7 mph H 79%29.94 inHg

8:00 AM

Partly cloudy

64° 💧 None 💨 2 mph H 79%29.97 inHg

2:00 PM

Sunny

62° 💧 None 💨 6 mph H 86%30.03 inHg

8:00 PM

Clear night

74° 💧 None 💨 4 mph H 49%30.03 inHg

Wednesday

2:00 AM

Clear night

67° 💧 None 💨 7 mph H 72%30.03 inHg

8:00 AM

Sunny

65° 💧 None 💨 8 mph H 86%30.03 inHg

2:00 PM

Sunny

67° 💧 None 💨 8 mph H 91%30.06 inHg

8:00 PM

Clear night

79° 💧 None 💨 10 mph H 63%30.03 inHg

Thursday

2:00 AM

Mostly clear night

74° 💧 None 💨 13 mph H 76%30.00 inHg

8:00 AM

Mostly sunny

70° 💧 None 💨 12 mph H 78%30.00 inHg

2:00 PM

Mostly sunny

70° 💧 None 💨 11 mph H 84%30.00 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 18 mph H 67%29.91 inHg

Friday

2:00 AM

Heavy rain

72° 💧 None 💨 14 mph H 96%29.88 inHg

8:00 AM

Moderate rain

71° 💧 None 💨 14 mph H 95%29.83 inHg

2:00 PM

Overcast

70° 💧 None 💨 8 mph H 98%29.80 inHg

8:00 PM

Overcast night

77° 💧 None 💨 5 mph H 66%29.80 inHg

Saturday

2:00 AM

Partly cloudy night

71° 💧 None 💨 6 mph H 82%29.83 inHg

8:00 AM

Overcast

64° 💧 None 💨 12 mph H 63%29.94 inHg

2:00 PM

Sunny

58° 💧 None 💨 12 mph H 77%30.03 inHg

8:00 PM

Mostly cloudy night

67° 💧 None 💨 8 mph H 49%30.09 inHg

Sunday

2:00 AM

Clear night

60° 💧 None 💨 7 mph H 71%30.12 inHg

8:00 AM

Sunny

57° 💧 None 💨 9 mph H 75%30.21 inHg

2:00 PM

Sunny

58° 💧 None 💨 7 mph H 75%30.27 inHg

8:00 PM

Partly cloudy night

64° 💧 None 💨 4 mph H 50%30.27 inHg

Monday

2:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 59%30.24 inHg

8:00 AM

Mostly cloudy

60° 💧 None 💨 5 mph H 68%30.24 inHg

2:00 PM

Sunny

60° 💧 None 💨 3 mph H 65%30.24 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 4 mph H 48%30.24 inHg

Tuesday

2:00 AM

Clear night

63° 💧 None 💨 4 mph H 65%30.18 inHg

8:00 AM

Sunny

59° 💧 None 💨 7 mph H 87%30.18 inHg

2:00 PM

Sunny

58° 💧 None 💨 6 mph H 94%30.15 inHg

8:00 PM

Clear night

72° 💧 None 💨 8 mph H 54%30.06 inHg

Wednesday

2:00 AM

Clear night

66° 💧 None 💨 10 mph H 73%29.97 inHg

8:00 AM

Sunny

63° 💧 None 💨 11 mph H 77%29.88 inHg

2:00 PM

Sunny

63° 💧 None 💨 9 mph H 80%29.80 inHg

8:00 PM

Partly cloudy night

74° 💧 None 💨 10 mph H 58%29.77 inHg

Thursday

2:00 AM

Clear night

65° 💧 None 💨 12 mph H 47%29.80 inHg

In St. Leonard and, more broadly, across the state of Maryland: The morning will start with mostly cloudy skies and mild temperatures around 65 to 74 degrees Fahrenheit. Light northeast winds are expected, reaching up to 9 mph with gusts up to 17 mph. As the day progresses, there's a high likelihood of rain, with an expected accumulation of about 0.18 inches. The rain could develop at any time, so it’s a good idea to have an umbrella handy. Temperatures are expected to remain steady through the afternoon, maintaining the mild conditions. Overall, expect a cloudy day with periods of light rainfall and gentle breezes.

15-Day Weather Outlook for St. Leonard

TomorrowTomorrow

Mostly cloudy 65°/60° 💧 None 💨 19 mph

Friday, Sep 25Fri Sep 25

Overcast 69°/61° 💧 None 💨 17 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 73°/60° 💧 1.030 in 💨 12 mph

Sunday, Sep 27Sun Sep 27

Light rain 70°/61° 💧 0.017 in 💨 14 mph

Monday, Sep 28Mon Sep 28

Overcast 70°/61° 💧 0.001 in 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Overcast 74°/62° 💧 None 💨 7 mph

Wednesday, Sep 30Wed Sep 30

Sunny 79°/65° 💧 None 💨 10 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 79°/70° 💧 None 💨 18 mph

Friday, Oct 2Fri Oct 2

Heavy rain 77°/70° 💧 1.089 in 💨 14 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 71°/58° 💧 0.004 in 💨 12 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 64°/57° 💧 None 💨 9 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 67°/60° 💧 None 💨 6 mph

Tuesday, Oct 6Tue Oct 6

Sunny 72°/58° 💧 None 💨 8 mph

Wednesday, Oct 7Wed Oct 7

Partly cloudy 74°/63° 💧 0.041 in 💨 11 mph

Thursday, Oct 8Thu Oct 8

Sunny 65°/65° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Leonard

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Leonard

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 AM

PM2.5 Fine particles Good 1,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 1,4µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 48,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 3,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in St. Leonard

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 4,1Moderate 😊Good

Tomorrow UV 3,1Moderate 🙂Fair

Friday UV 5,7Moderate 😐Moderate

Saturday UV 5,7Moderate 😐Moderate

Sunday UV 6,0High 😊Good

Monday UV 7,0High —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

10:00 AMUV 0,3 11:00 AMUV 1,4 12:00 PMUV 4,1 1:00 PMUV 3,9 2:00 PMUV 2,8 3:00 PMUV 1,9 4:00 PMUV 1,1 5:00 PMUV 0,7 6:00 PMUV 0,2 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for St. Leonard

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. LEONARD, MARYLAND

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

52/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 8:30 PM–5:27 AM

☁ Cloud cover 53% Real hourly forecast for the best viewing hour.

☾ Moonlight 94% Waxing Gibbous · Moon about 33° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 40° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min21%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for St. Leonard were last refreshed today at 9:49 AM. The current forecast period extends through 25/09/2026 at 7:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.