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 83. East wind 3 to 10 mph.
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: Apr 12, 2026 8:50 AM EDT.
The active forecast window currently covers Apr 12 to Apr 18, 2026 for Potomac, MD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 12 to Apr 18, 2026
- Latest sync
- Apr 12, 2026 8:50 AM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Potomac
Tuesday looks like the warmest upcoming period in Potomac at 91 degrees F.
Tonight is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Monday at about 6 to 18 mph SW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 12, 2026 8:50 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 cloudy, with a low around 60. South wind 6 to 9 mph.
A chance of rain showers after 8am. Mostly cloudy, with a high near 85. Southwest wind 6 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 8pm. Partly cloudy, with a low around 62. Southwest wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 90.
A slight chance of rain showers before 2am. Mostly cloudy, with a low around 66.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 88.
A chance of rain showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 86. Chance of precipitation is 30%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 60.
A chance of rain showers after 8am. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 12
|
Mostly Sunny
|
83°F |
3 to 10 mph
E
|
|
Tonight
Apr 12
|
Mostly Cloudy
|
60°F |
6 to 9 mph
S
|
|
Monday
Apr 13
|
Chance Rain Showers
|
85°F |
6 to 18 mph
SW
|
|
Monday Night
Apr 13
|
Chance Rain Showers then Partly Cloudy
|
62°F |
5 to 14 mph
SW
|
|
Tuesday
Apr 14
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
91°F |
5 to 14 mph
SW
|
|
Tuesday Night
Apr 14
|
Slight Chance Showers And Thunderstorms
|
65°F |
6 to 10 mph
SW
|
|
Wednesday
Apr 15
|
Partly Sunny then Slight Chance Rain Showers
|
90°F |
8 mph
W
|
|
Wednesday Night
Apr 15
|
Slight Chance Rain Showers
|
66°F |
7 mph
W
|
|
Thursday
Apr 16
|
Partly Sunny then Slight Chance Rain Showers
|
88°F |
5 to 12 mph
W
|
|
Thursday Night
Apr 16
|
Chance Rain Showers
|
64°F |
6 to 10 mph
W
|
|
Friday
Apr 17
|
Chance Rain Showers
|
86°F |
7 mph
W
|
|
Friday Night
Apr 17
|
Slight Chance Rain Showers then Partly Cloudy
|
60°F |
2 to 6 mph
W
|
|
Saturday
Apr 18
|
Chance Rain Showers
|
90°F |
2 to 9 mph
SW
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
60°F |
6 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Potomac.