10-day forecast for Potomac, MD: 42° to 71°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Wednesday, November 4
68° · 0.24 in
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0164° / 45°0
Morning46°feels 46°
Afternoon64°feels 62°
Evening52°feels 50°
Overnight46°feels 46°
64 °
Potomac, Sunday, 1 November
Overcast. High 64°, low 45°.
Pressure30.56 inHg
Wind3.6 mph SE
Humidity50%
Visibility6.2 mi
Dew point40°
Mon, 0261° / 44°0
Morning44°feels 44°
Afternoon61°feels 59°
Evening51°feels 50°
Overnight46°feels 46°
61 °
Potomac, Monday, 2 November
Overcast. High 61°, low 44°.
Pressure30.42 inHg
Wind2.8 mph S
Humidity56%
Visibility6.2 mi
Dew point43°
Tue, 0367° / 46°0
Morning46°feels 46°
Afternoon67°feels 66°
Evening57°feels 56°
Overnight47°feels 47°
67 °
Potomac, Tuesday, 3 November
Overcast. High 67°, low 46°.
Pressure30.33 inHg
Wind4.3 mph S
Humidity68%
Visibility6.2 mi
Dew point52°
Wed, 0471° / 49°0
Morning54°feels 54°
Afternoon65°feels 65°
Evening69°feels 68°
Overnight58°feels 58°
71 °
Potomac, Wednesday, 4 November
Clear. High 71°, low 49°.
Pressure30.24 inHg
Wind10.8 mph S
Humidity73%
Visibility—
Dew point53°
Thu, 0567° / 58°0.02
Morning61°feels 61°
Afternoon66°feels 66°
Evening66°feels 67°
Overnight62°feels 62°
67 °
Potomac, Thursday, 5 November
Light rain. High 67°, low 58°.
Pressure30.00 inHg
Wind8.8 mph SE
Humidity92%
Visibility—
Dew point62°
Fri, 0668° / 60°0.24
Morning61°feels 62°
Afternoon64°feels 64°
Evening67°feels 67°
Overnight61°feels 62°
68 °
Potomac, Friday, 6 November
Light rain. High 68°, low 60°.
Pressure29.94 inHg
Wind5.7 mph S
Humidity92%
Visibility—
Dew point60°
Sat, 0764° / 56°0
Morning59°feels 58°
Afternoon62°feels 61°
Evening60°feels 59°
Overnight56°feels 55°
64 °
Potomac, Saturday, 7 November
Light rain. High 64°, low 56°.
Pressure29.94 inHg
Wind12.3 mph NW
Humidity71%
Visibility—
Dew point52°
Sun, 0860° / 48°0
Morning51°feels 48°
Afternoon56°feels 54°
Evening58°feels 56°
Overnight49°feels 47°
60 °
Potomac, Sunday, 8 November
Partly cloudy. High 60°, low 48°.
Pressure30.09 inHg
Wind11.2 mph N
Humidity61%
Visibility—
Dew point41°
Mon, 0960° / 45°0
Morning47°feels 45°
Afternoon55°feels 53°
Evening58°feels 56°
Overnight50°feels 48°
60 °
Potomac, Monday, 9 November
Overcast. High 60°, low 45°.
Pressure30.09 inHg
Wind5.9 mph N
Humidity63%
Visibility—
Dew point40°
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.