Marine Weather Net

Upper Marlboro, MD Weather Forecast


Marine Forecast: Patuxent River MD


Upper Marlboro, Maryland

 Lat: 38.82N, Lon: 76.76W

Current Conditions Updated: 755 PM EDT WED MAY 20 2026

Mostly Cloudy
Temp: 75°F
  • Humidity:
  • 68%
  • Winds:
  • 5 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30 in.
  • Dewpoint:
  • 64°F
  • Heat index:
  • 77°F

  • Sunrise:
  • 5:49 AM EDT
  • Sunset:
  • 8:15 PM EDT
  • Moonrise:
  • 9:24 AM EDT
  • Moonset:
  • 12:00 AM EDT

TONIGHT

CHANCE OF T-STORM
Lo: 59°F
Precip: 80%

THURSDAY

CHANCE OF T-STORM
Hi: 69°F
Lo: 51°F
Precip: 90%

FRIDAY

SHOWERS
Hi: 61°F
Lo: 50°F
Precip: 80%

SATURDAY

SHOWERS
Hi: 65°F
Lo: 51°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 756 PM EDT Wed May 20 2026

Tonight...Showers. A chance of thunderstorms, mainly this evening. Some thunderstorms May produce damaging winds and large hail this evening. Lows in the upper 50s. North winds 5 to 10 mph. Chance of rain 80 percent.
Thursday...Cloudy. A chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. Much cooler with highs in the upper 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.
Thursday Night...Cloudy. Showers likely in the evening. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
Friday...Showers likely in the morning, then showers in the afternoon. Highs in the lower 60s. East winds 10 to 15 mph. Chance of rain 80 percent.
Friday Night...Showers. Lows around 50. East winds 10 to 15 mph. Chance of rain 90 percent.
Saturday...Showers. Highs in the mid 60s. Chance of rain 90 percent.
Saturday Night...Showers. Lows in the lower 50s. Chance of rain 80 percent.
Sunday...Mostly cloudy with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.
Sunday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.
Memorial Day...Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent.
Monday Night...Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
Tuesday...Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent.
Tuesday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the lower 60s.
Wednesday...Partly sunny. Highs in the lower 80s.
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