Weather

Here's a bit of climate and weather info to help you plan your next great visit to St. Mary's County, MD.

Tuesday, May 17
H: 82°   L: 57°

Weather icon Clear throughout the day.

Clear throughout the day.

Wednesday, May 18
H: 75°   L: 54°

Weather icon Possible light rain overnight.

Possible light rain overnight.

Thursday, May 19
H: 84°   L: 60°

Weather icon Possible light rain in the morning.

Possible light rain in the morning.

Friday, May 20
H: 91°   L: 62°

Weather icon Humid and mostly cloudy throughout the day.

Humid and mostly cloudy throughout the day.

Saturday, May 21
H: 91°   L: 72°

Weather icon Humid and partly cloudy throughout the day.

Humid and partly cloudy throughout the day.

Sunday, May 22
H: 84°   L: 66°

Weather icon Possible light rain in the evening and overnight.

Possible light rain in the evening and overnight.

Monday, May 23
H: 72°   L: 60°

Weather icon Mostly cloudy throughout the day.

Mostly cloudy throughout the day.

Tuesday, May 24
H: 73°   L: 56°

Weather icon Mostly cloudy throughout the day.

Mostly cloudy throughout the day.

Average Monthly Weather Conditions

MonthAverage HighAverage LowAverage Precipitation
Jan44°F
24°F3.23 in.
Feb48°F
26°F3.19 in.
Mar57°F
33°F4.21 in.
Apr67°F
42°F3.50 in.
May74°F
51°F4.20 in.
Jun82°F
60°F4.07 in.
Jul86°F
65°F4.31 in.
Aug84°F
64°F3.88 in.
Sep77°F
56°F4.28 in.
Oct66°F
45°F3.70 in.
Nov58°F
36°F3.59 in.
Dec47°F
28°F3.70 in.