GREAT MILLS, MD 20634 Weather Forecast & Current Conditions

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20634 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ST MARYS CNTY RGNL, MD Current Weather
11:10 AM EDT JUL 16, 2025
Overcast 81°F
Feels Like:	87°F
Dewpoint:	75°F
Rel. Hum.:	82%
Visibility:	10 miles
Wind:	SW at 8 mph
Pressure:	30.08 inches
Last 72 hours
Local Area Snow Depth
Maryland Current Weather
Maryland MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

20634 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	GREAT MILLS, MD 20634 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Partly sunny. A chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

TONIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

THURSDAY NIGHT
Partly cloudy. Lows in the upper 70s. Southwest winds 5 to 10 mph.

FRIDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Northwest winds around 5 mph. Chance of rain 40 percent.

FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent.

SATURDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.

SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.

SUNDAY
Showers likely with a chance of thunderstorms. Highs in the upper 80s. Chance of rain 60 percent.

SUNDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent.

MONDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.

MONDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 40 percent.

TUESDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.

20634 WEATHER SATELLITE LOOPS

Visible Weather Satellite
GREAT MILLS, MD 20634

Infrared Weather Satellite
GREAT MILLS, MD 20634

20634 WEATHER RADAR LOOP

NEXRAD Weather Radar
GREAT MILLS, MD 20634

MOS COMPUTER WEATHER FORECAST

ST MARYS CNTY RGNL, MD 3 hourly weather forecast

weather forecast created 6:00 PM MDT 7/15/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
16 JUL 2025

2 AM

74°

74°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 9% severe)

CALM

100%

74°

Low 72°

5 AM

73°

73°

Mostly Cloudy

SSW 1

100%

73°

High 86°

8 AM

78°

81°

Partly Cloudy

32%
RAIN
<.01 in

0% Thunder
( 25% severe)

SSW 3

91%

75°

Mostly Cloudy

Chance of Rain

11 AM

82°

89°

Mostly Cloudy

SSW 6

79%

75°

2 PM

85°

93°

Mostly Cloudy

43%
RAIN
.25–.5 in

0% Thunder
( 53% severe)

SSW 7

72%

75°

5 PM

84°

93°

Mostly Cloudy

S 7

77%

76°

8 PM

80°

85°

Mostly Cloudy

22%
RAIN
***

0% Thunder
( 34% severe)

SSW 3

88%

76°

11 PM

78°

81°

Mostly Cloudy

SSW 5

91%

75°

Thursday
17 JUL 2025

2 AM

77°

78°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 12% severe)

SSW 6

90%

74°

Low 75°

5 AM

76°

76°

Partly Cloudy

SW 7

94%

74°

High 91°

8 AM

80°

85°

Partly Cloudy

3%

0% Thunder
( 9% severe)

SW 8

85%

75°

Partly Cloudy

11 AM

85°

93°

Partly Cloudy

SW 9

72%

75°

2 PM

90°

101°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 30% severe)

SW 9

62%

75°

5 PM

90°

101°

Partly Cloudy

SW 8

62%

75°

8 PM

83°

91°

Partly Cloudy

6%

0% Thunder
( 25% severe)

SW 6

80%

76°

11 PM

81°

87°

Partly Cloudy

SW 5

85%

76°


ST MARYS CNTY RGNL, MD extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 74°	Low 76°	Low 69°	Low 70°	Low 72°
High 93°	High 85°	High 82°	High 87°	High 89°

Mostly Cloudy 66% Rain	Overcast 61% Rain	Overcast 40% Rain	Overcast 45% Rain	Partly Cloudy 53% Rain

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