Potomac, MD Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Potomac, MD in one place.
A chance of rain showers between 8am and 2pm. Partly sunny, with a high near 81. East wind 2 to 7 mph. Chance of precipitation is 30%. 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: Jul 12, 2026 3:30 AM EDT.
The active forecast window currently covers Jul 13 to Jul 18, 2026 for Potomac, MD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 13 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 3:30 AM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Potomac
Wednesday looks like the warmest upcoming period in Potomac at 95 degrees F.
Monday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Wednesday at about 3 to 8 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 3:30 AM EDT
- Coverage
- 6 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
Partly cloudy, with a low around 65. South wind 0 to 6 mph.
Sunny, with a high near 88.
Clear, with a low around 71.
Sunny, with a high near 95.
Mostly clear, with a low around 75.
Sunny, with a high near 93.
Partly cloudy, with a low around 73.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jul 13
|
Chance Rain Showers
|
81°F |
2 to 7 mph
E
|
|
Monday Night
Jul 13
|
Partly Cloudy
|
65°F |
0 to 6 mph
S
|
|
Tuesday
Jul 14
|
Sunny
|
88°F |
0 to 5 mph
W
|
|
Tuesday Night
Jul 14
|
Clear
|
71°F |
5 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
95°F |
3 to 8 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
75°F |
7 mph
NW
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
6 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
73°F |
2 to 6 mph
W
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
93°F |
2 to 6 mph
NW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
72°F |
5 mph
NW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
90°F |
3 to 7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Potomac.
