National Weather Service forecast

Potomac, Maryland Weather

52°Overnight: Mostly Clear
Wind SE 3 mph

Potomac 7-Day Forecast

  1. Overnight
    52°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 52. Southeast wind around 3 mph.

  2. Wednesday
    75°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny, with a high near 75. South wind 3 to 9 mph, with gusts as high as 18 mph.

  3. Wednesday Night
    62°F
    Mostly Cloudy then Chance Rain Showers
    40% chance of precipitation

    A chance of rain showers after 3am. Mostly cloudy, with a low around 62. South wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    74°F
    Chance Rain Showers
    43% chance of precipitation

    A chance of rain showers. Mostly cloudy, with a high near 74. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  5. Thursday Night
    61°F
    Chance Rain Showers
    54% chance of precipitation

    A chance of rain showers. Mostly cloudy, with a low around 61. Southwest wind 2 to 7 mph. Chance of precipitation is 50%.

  6. Friday
    70°F
    Chance Light Rain
    54% chance of precipitation

    A chance of rain showers before 7am, then a chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.

  7. Friday Night
    49°F
    Chance Light Rain then Partly Cloudy
    32% chance of precipitation

    A chance of rain before 7pm. Partly cloudy, with a low around 49. Chance of precipitation is 30%.

  8. Saturday
    62°F
    Mostly Sunny
    6% chance of precipitation

    Mostly sunny, with a high near 62.

  9. Saturday Night
    41°F
    Mostly Clear
    5% chance of precipitation

    Mostly clear, with a low around 41.

  10. Sunday
    60°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny, with a high near 60.

  11. Sunday Night
    41°F
    Mostly Clear
    5% chance of precipitation

    Mostly clear, with a low around 41.

  12. Monday
    61°F
    Sunny
    5% chance of precipitation

    Sunny, with a high near 61.

  13. Monday Night
    38°F
    Mostly Clear
    5% chance of precipitation

    Mostly clear, with a low around 38.

  14. Tuesday
    64°F
    Sunny
    3% chance of precipitation

    Sunny, with a high near 64.

Issued by the National Weather Service (LWX office), updated .

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About Potomac

Population (2020 Census)
47,018
Coordinates
39.013, -77.194
Elevation
381 ft
NWS forecast office
LWX
Time zone
America/New York
Sunrise today
6:39 AM EST
Sunset today
5:05 PM EST
Daylight today
10 h 26 min

Potomac Weather Questions

What is the weather forecast for Potomac, Maryland?

Overnight: Mostly clear, with a low around 52. Southeast wind around 3 mph. Wednesday: Mostly sunny, with a high near 75. South wind 3 to 9 mph, with gusts as high as 18 mph.

Will it rain or snow in Potomac this week?

The best chance of precipitation is Thursday Night at 54%. Periods with a 30% chance or more: Wednesday Night (40%), Thursday (43%), Thursday Night (54%), Friday (54%), Friday Night (32%).

How warm and how cold will it get in Potomac this week?

The warmest day is Wednesday, with a high near 75°F. The coldest night is Monday Night, with a low near 38°F.

What time are sunrise and sunset in Potomac today?

Sunrise is at 6:39 AM EST and sunset is at 5:05 PM EST, for 10 h 26 min of daylight.

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