10-day forecast for Potomac, MD: 42° to 72°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Friday, October 30
64° · 0.67 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3162° / 46°0
Morning46°feels 44°
Afternoon62°feels 60°
Evening53°feels 52°
Overnight47°feels 45°
62 °
Potomac, Saturday, 31 October
Overcast. High 62°, low 46°.
Pressure30.47 inHg
Wind3.9 mph N
Humidity53%
Visibility6.2 mi
Dew point40°
Sun, 0161° / 48°0
Morning50°feels 50°
Afternoon61°feels 59°
Evening52°feels 51°
Overnight48°feels 48°
61 °
Potomac, Sunday, 1 November
Overcast. High 61°, low 48°.
Pressure30.53 inHg
Wind4.1 mph SE
Humidity54%
Visibility6.2 mi
Dew point42°
Mon, 0268° / 46°0
Morning46°feels 44°
Afternoon68°feels 66°
Evening57°feels 55°
Overnight47°feels 46°
68 °
Potomac, Monday, 2 November
Overcast. High 68°, low 46°.
Pressure30.39 inHg
Wind4.3 mph S
Humidity59%
Visibility6.2 mi
Dew point47°
Tue, 0371° / 47°0
Morning53°feels 52°
Afternoon64°feels 62°
Evening66°feels 65°
Overnight54°feels 53°
71 °
Potomac, Tuesday, 3 November
Partly cloudy. High 71°, low 47°.
Pressure30.33 inHg
Wind6.6 mph SE
Humidity65%
Visibility—
Dew point49°
Wed, 0468° / 48°0
Morning53°feels 52°
Afternoon61°feels 60°
Evening65°feels 64°
Overnight57°feels 57°
68 °
Potomac, Wednesday, 4 November
Partly cloudy. High 68°, low 48°.
Pressure30.27 inHg
Wind9.1 mph E
Humidity83%
Visibility—
Dew point53°
Thu, 0564° / 57°0.67
Morning58°feels 57°
Afternoon60°feels 60°
Evening64°feels 64°
Overnight62°feels 63°
64 °
Potomac, Thursday, 5 November
Rain. High 64°, low 57°.
Pressure29.88 inHg
Wind10.2 mph E
Humidity94%
Visibility—
Dew point57°
Fri, 0669° / 61°0.44
Morning64°feels 65°
Afternoon65°feels 65°
Evening66°feels 66°
Overnight62°feels 61°
69 °
Potomac, Friday, 6 November
Rain. High 69°, low 61°.
Pressure29.50 inHg
Wind10.8 mph W
Humidity89%
Visibility—
Dew point62°
Sat, 0760° / 50°0
Morning58°feels 58°
Afternoon57°feels 56°
Evening55°feels 53°
Overnight52°feels 48°
60 °
Potomac, Saturday, 7 November
Overcast. High 60°, low 50°.
Pressure29.88 inHg
Wind16.6 mph NW
Humidity62%
Visibility—
Dew point45°
Sun, 0855° / 42°0
Morning45°feels 41°
Afternoon50°feels 47°
Evening54°feels 51°
Overnight48°feels 46°
55 °
Potomac, Sunday, 8 November
Clear. High 55°, low 42°.
Pressure30.18 inHg
Wind8.7 mph NW
Humidity49%
Visibility—
Dew point30°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Potomac, MD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.