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Potomac
Mihran Mesrobian House
Mihran Mesrobian House
Seymour Krieger House
Seymour Krieger House
Rockville Railroad Station
Rockville Railroad Station
Woodend
Woodend
Maryland, United States

Potomac

Potomac is a town in Maryland, United States. It has a population of about 47,018 (2020). The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.

Now57°F
Best timeApr · Sep–Oct
Population47,018
Local time10:33
39.02° N, 77.21° WElevation 361 ftUTC−4 · Eastern Daylight Time
Postal code20854
The year in Potomacweather score
JanFebMarAprMayJunJulAugSepOctNovDec77October
October: high / low67° / 47°
Rain this month89mm
Best timeApr · Sep–Oct

Best: Apr · Sep–Oct. Warmth, sunshine and dry days, month by month.

Potomac at a glance

Best time to visitApr · Sep–Oct

The months with the highest weather score

Warmest month88°F

Average high in July

Coolest month26°F

Average low in January

Wettest monthJuly

106 mm of rain

Driest monthFebruary

72 mm of rain

Monuments nearby10+

within 14 km

Weather in Potomac

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast
57°F

Sunny · wind 13 km/h · humidity 39%

Today hour by hour
Today22 Oct66°40°
Fri23 Oct61°44°
Sat24 Oct60°38°
Sun25 Oct63°39°
Mon26 Oct67°40°
Tue27 Oct66°48°
Wed28 Oct63°43°
Thu29 Oct68°45°
Fri30 Oct59°45°
Sat31 Oct59°37°

When to go to Potomac

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score353442716652424872775533
High42°46°54°66°75°83°88°86°79°67°56°47°
Low26°27°34°44°54°63°68°66°59°47°37°30°
Rain (mm)767286911111011069491897581
Wet days881011131414139989

What's on in Potomac

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Monuments and museums in Potomac

All monuments

Outdoors around Potomac

Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.

Things to do
Trump National Golf ClubGolf courses
0.7 km
Village EduZoos
0.8 km
Lockhouse 10Mountain huts
0.9 km
Movement RockvilleClimbing
1 km
The Water Park at Bohrer ParkWater parks
1.3 km
Lake Fairfax Family CampgroundCamp sites
1.8 km

Nature around Potomac

Nature in United States

Wildlife in October

The birds and mammals of United States seen most this month, compared with the rest of their year.

The sky over Potomac

Eclipses and meteor showers

Earthquakes around Potomac

The last 30 days within 300 km, and the record since 1950.

Earthquakes

Towns and villages around Potomac

Each with its own page: weather, climate and the best time to visit.

Potomac from above

Postal code

20854

Getting to Potomac

Washington Dulles International AirportIAD
23 km
Ronald Reagan Washington National AirportDCA
24 km
Baltimore/Washington International Thurgood Marshall AirportBWI
50 km
RockvilleRailway station
9.1 km
KensingtonRailway station
12 km
GaithersburgRailway station
14 km
Georgetown Ferry LandingAlexandria City Marina (Old Town) Ferry Landing · The Wharf Ferry Landing
18 km
The Wharf Ferry LandingAlexandria City Marina (Old Town) Ferry Landing · City Cruises Washington DC · Georgetown Ferry Landing
22 km

Places near Potomac

Places with a climate like Potomac

Matched month by month on temperature, rain and sunshine.

Frequently asked questions

When is the best time to visit Potomac?
Based on 30-year climate normals, April, September and October offer the best balance of comfortable temperatures, low rainfall and sunshine in Potomac.
What is the hottest month in Potomac?
July is the warmest month, with average highs of 88°F and lows of 68°F.
What is the coldest month in Potomac?
January is the coldest month, with average highs of 42°F and lows of 26°F.
What is the rainiest month in Potomac?
July is the wettest month with about 4.2 in of precipitation on 14 wet days.
What is the postal code of Potomac?
The postal code of Potomac is 20854.