Potomac, MD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Potomac, MD in one place.
Mostly sunny, with a high near 77. North wind 5 to 12 mph, with gusts as high as 24 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Potomac, MD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 28, 2026 1:48 AM EDT.
The active forecast window currently covers May 28 to Jun 3, 2026 for Potomac, MD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 28 to Jun 3, 2026
- Latest sync
- May 28, 2026 1:48 AM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Potomac
Thursday looks like the warmest upcoming period in Potomac at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Thursday at about 5 to 12 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 1:48 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- LWX
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 53. North wind 3 to 10 mph, with gusts as high as 21 mph.
Sunny, with a high near 76. Northwest wind 3 to 7 mph.
Mostly clear, with a low around 58. West wind around 6 mph.
Sunny, with a high near 75.
Mostly clear, with a low around 52.
Sunny, with a high near 73.
Partly cloudy, with a low around 56.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 56.
A chance of rain showers after 8am. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
A chance of rain showers. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 28
|
Mostly Sunny
|
77°F |
5 to 12 mph
N
|
|
Thursday Night
May 28
|
Mostly Clear
|
53°F |
3 to 10 mph
N
|
|
Friday
May 29
|
Sunny
|
76°F |
3 to 7 mph
NW
|
|
Friday Night
May 29
|
Mostly Clear
|
58°F |
6 mph
W
|
|
Saturday
May 30
|
Sunny
|
75°F |
6 to 10 mph
NW
|
|
Saturday Night
May 30
|
Mostly Clear
|
52°F |
3 to 9 mph
N
|
|
Sunday
May 31
|
Sunny
|
73°F |
6 mph
NW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
56°F |
5 mph
S
|
|
Monday
Jun 1
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
75°F |
3 to 7 mph
NW
|
|
Monday Night
Jun 1
|
Slight Chance Showers And Thunderstorms
|
56°F |
2 to 6 mph
N
|
|
Tuesday
Jun 2
|
Chance Rain Showers
|
74°F |
3 to 7 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Rain Showers
|
55°F |
1 to 6 mph
N
|
|
Wednesday
Jun 3
|
Slight Chance Rain Showers
|
75°F |
2 to 7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Potomac.
