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St Marys, MD

86°F
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St Marys, MD Weather
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Winter Center

Today

Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Air Quality Alert

Tonight's Weather

Wed, Jul 15

Partly cloudy and humid Lo: 75°

Tomorrow: Partly sunny and sweltering heat; danger of dehydration and heatstroke if outside for extended periods of time Hi: 98°

Current Weather

8:58 PM

86°F
RealFeel® 91°
Mostly cloudy More Details
Heat Index 92°
Wind SW 5 mph
Wind Gusts 10 mph
Air Quality Fair

Looking Ahead

Heat wave and poor air quality at times from wildfire smoke through late week; limit time outdoors

St Marys Weather Radar

St Marys Weather Radar
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Clouds
Temperature

Hourly Weather

9 PM 86°
rain drop 0%
10 PM 84°
rain drop 0%
11 PM 82°
rain drop 0%
12 AM 81°
rain drop 0%
1 AM 80°
rain drop 0%
2 AM 79°
rain drop 0%
3 AM 78°
rain drop 0%
4 AM 77°
rain drop 0%
5 AM 76°
rain drop 0%
6 AM 75°
rain drop 0%
7 AM 77°
rain drop 0%
8 AM 80°
rain drop 0%

10-Day Weather Forecast

Tonight

7/15

75° Lo

Partly cloudy and humid

0%

Thu

7/16

98° 77°

Partly sunny and very hot

Night: Partly cloudy, warm and humid

0%

Fri

7/17

94° 76°

Sunshine and hot

Partly cloudy, a shower late

1%

Sat

7/18

92° 76°

A heavy t-storm in the p.m.

Cloudy, a thunderstorm; humid

82%

Sun

7/19

88° 69°

Humid; a p.m. t-storm or two

Mainly clear

69%

Mon

7/20

86° 73°

A p.m. t-storm possible

An evening t-storm or two

30%

Tue

7/21

86° 72°

Humid; a p.m. t-storm or two

Humid with increasing clouds

72%

Wed

7/22

85° 71°

A couple of t-storms; humid

Mainly clear and humid

65%

Thu

7/23

84° 72°

Humid with clouds and sun

Humid; a shower in spots late

1%

Fri

7/24

84° 70°

Humid with rain and a t-storm

An evening t-storm or two

65%

Sun & Moon

14 hrs 35 mins
Rise 5:54 AM
Set 8:29 PM
Waxing Crescent
Rise 7:08 AM
Set 9:43 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Moderate Data is not supported in this location Grass Pollen Moderate Data is not supported in this location Dust & Dander Extreme Data is not supported in this location

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Weather Near St Marys:

  • Alexandria, VA
  • Germantown, MD
  • Washington, DC
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