10-day forecast for Potomac, MD: 37° to 70°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Friday, October 30
62°
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2463° / 39°0
Morning43°feels 43°
Afternoon63°feels 61°
Evening46°feels 45°
Overnight40°feels 38°
63 °
Potomac, Saturday, 24 October
Clear. High 63°, low 39°.
Pressure30.53 inHg
Wind3.6 mph SE
Humidity49%
Visibility6.2 mi
Dew point38°
Sun, 2564° / 37°0
Morning42°feels 42°
Afternoon63°feels 61°
Evening53°feels 51°
Overnight37°feels 35°
64 °
Potomac, Sunday, 25 October
Clear. High 64°, low 37°.
Pressure30.56 inHg
Wind1 mph SE
Humidity52%
Visibility6.2 mi
Dew point43°
Mon, 2667° / 43°0
Morning44°feels 44°
Afternoon67°feels 65°
Evening56°feels 55°
Overnight47°feels 47°
67 °
Potomac, Monday, 26 October
Clear. High 67°, low 43°.
Pressure30.33 inHg
Wind5.6 mph NW
Humidity54%
Visibility6.2 mi
Dew point46°
Tue, 2765° / 50°0
Morning50°feels 49°
Afternoon65°feels 64°
Evening62°feels 61°
Overnight52°feels 50°
65 °
Potomac, Tuesday, 27 October
Clear. High 65°, low 50°.
Pressure30.33 inHg
Wind4.5 mph NE
Humidity54%
Visibility6.2 mi
Dew point45°
Wed, 2862° / 46°0
Morning50°feels 48°
Afternoon57°feels 55°
Evening58°feels 56°
Overnight50°feels 49°
62 °
Potomac, Wednesday, 28 October
Clear. High 62°, low 46°.
Pressure30.45 inHg
Wind6.1 mph SE
Humidity66%
Visibility—
Dew point44°
Thu, 2964° / 47°0
Morning50°feels 49°
Afternoon58°feels 57°
Evening62°feels 61°
Overnight53°feels 51°
64 °
Potomac, Thursday, 29 October
Clear. High 64°, low 47°.
Pressure30.36 inHg
Wind5.2 mph SE
Humidity64%
Visibility—
Dew point44°
Fri, 3070° / 49°0
Morning53°feels 53°
Afternoon63°feels 61°
Evening69°feels 67°
Overnight58°feels 57°
70 °
Potomac, Friday, 30 October
Clear. High 70°, low 49°.
Pressure30.21 inHg
Wind4 mph W
Humidity56%
Visibility—
Dew point44°
Sat, 3169° / 55°0
Morning59°feels 58°
Afternoon64°feels 63°
Evening66°feels 65°
Overnight59°feels 58°
69 °
Potomac, Saturday, 31 October
Overcast. High 69°, low 55°.
Pressure30.30 inHg
Wind7.4 mph SE
Humidity61%
Visibility—
Dew point49°
Sun, 0164° / 55°0
Morning56°feels 56°
Afternoon60°feels 59°
Evening62°feels 62°
Overnight58°feels 58°
64 °
Potomac, Sunday, 1 November
Overcast. High 64°, low 55°.
Pressure30.42 inHg
Wind6.1 mph SE
Humidity76%
Visibility—
Dew point51°
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.