Weather Alert
St. Mary's River State Park Weather Warning NWS WEATHER ALERT FOR THE SAINT MARYS RIVER STATE PARK, MD AREA - Issued: 547 AM EDT Fri Aug 7 2026 St. Mary's River State Park Weather Warning

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St. Mary's River State Park, MD Weather - Hour by Hour Forecast

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St. Mary's River State Park, MD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 79°F26°C, dew point 76°F24°C, humidity 89%. Wind direction is SSW at 7 mph11 km/h with visibility of N/A mi0 km. Barometric pressure is 30.16 in1021 mb.
Overnight - Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph... Full Forecast
Today - Mostly sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph... Full Forecast

St. Mary's River State Park Hourly Weather

24 Hour Forecast Scroll
Fri, Aug 07
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St. Mary's River State Park, MD Hourly Weather - Partly Cloudy - 7:00 AM St. Mary's River State Park, MD Hourly Weather - Partly Cloudy - 8:00 AM St. Mary's River State Park, MD Hourly Weather - Partly Cloudy - 9:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Clear - 10:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Clear - 11:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Clear - 12:00 PM St. Mary's River State Park, MD Hourly Weather - Partly Cloudy - 1:00 PM St. Mary's River State Park, MD Hourly Weather - Partly Cloudy - 2:00 PM St. Mary's River State Park, MD Hourly Weather - Partly Cloudy - 3:00 PM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 4:00 PM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 5:00 PM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 6:00 PM St. Mary's River State Park, MD Hourly Weather - Cloudy - 7:00 PM St. Mary's River State Park, MD Hourly Weather - Cloudy - 8:00 PM St. Mary's River State Park, MD Hourly Weather - Cloudy - 9:00 PM St. Mary's River State Park, MD Hourly Weather - Cloudy - 10:00 PM St. Mary's River State Park, MD Hourly Weather - Cloudy - 11:00 PM St. Mary's River State Park, MD Hourly Weather - Cloudy - 12:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 1:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 2:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 3:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 4:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 5:00 AM St. Mary's River State Park, MD Hourly Weather - Mostly Cloudy - 6:00 AM
Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
77°F25°C 78°F26°C 81°F27°C 83°F28°C 86°F30°C 87°F31°C 89°F32°C 90°F32°C 90°F32°C 89°F32°C 89°F32°C 86°F30°C 84°F29°C 81°F27°C 80°F27°C 78°F26°C 77°F25°C 77°F25°C 76°F24°C 76°F24°C 75°F24°C 75°F24°C 74°F23°C 75°F24°C
- - - - - - - - Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - -
5% 5% 0% 0% 0% 0% 0% 0% 26% 26% 26% 26% 26% 26% 53% 53% 53% 53% 53% 53% 19% 19% 19% 19%
74°F23°C 74°F23°C 74°F23°C 73°F23°C 73°F23°C 73°F23°C 73°F23°C 73°F23°C 73°F23°C 73°F23°C 73°F23°C 73°F23°C 74°F23°C 74°F23°C 73°F23°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C
91% 88% 79% 72% 65% 63% 59% 58% 58% 59% 59% 65% 72% 79% 79% 85% 85% 85% 85% 85% 87% 87% 90% 87%
SW SW SW SW SW SW SW SW SW SSE SSE SW SW SSW SW SW SW SW SW SW SW SW SW SW
5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 8 mph 8 mph 8 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (EDT)
Weather
Clouds
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POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from K2W6 model statistics.

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Prob Precip % = Probability of Precipitation.

St. Mary's River State Park 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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