National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Overcast

70°F

21°C

Humidity 66%
Wind Speed N 7 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 28 Sep 4:52 pm EDT
Extended Forecast for

Marlow Heights MD

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 61. Northwest wind 3 to 7 mph.

    Low: 61 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Light west wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then becoming sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Southeast wind around 6 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 61. Northwest wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 60. Light west wind.
Wednesday
Mostly cloudy through mid morning, then becoming sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 63. Southeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 86.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.
Saturday
A slight chance of showers after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Monday
A slight chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marlow Heights MD
 38.81°N 76.95°W (Elev. 230 ft)
Last Update:
4:53 pm EDT Sep 28, 2026
Forecast Valid:
5pm EDT Sep 28, 2026-6pm EDT Oct 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation