Potomac Grove, MD

Unincorporated community in Montgomery County, Maryland

Potomac Grove is a small unincorporated community in Montgomery County, Maryland. It is 1.1 miles SE of North Potomac, the nearest town. Its ZIP code is 20878.

Potomac Grove at a glance

State
Maryland
County
Montgomery County
ZIP code
20878
Nearest town
North Potomac (1.1 mi)
Time zone
America/New York
Coordinates
39.1061, -77.2539

Weather in Potomac Grove now

Loading the National Weather Service forecast…

Potomac Grove weather by the hour

Potomac Grove weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Potomac Grove.

This week in Potomac Grove

Sunrise, sunset and moon in Potomac Grove

What is the weather usually like in Potomac Grove?

Cfa
Humid subtropical climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

22°40°57°75°92°42°27°Jan45°28°Feb54°36°Mar66°46°Apr74°55°May82°64°Jun87°69°Jul85°67°Aug78°60°Sep66°48°Oct56°38°Nov46°31°Dec

Average precipitation (inches)

3.1"Jan2.6"Feb3.7"Mar3.2"Apr3.6"May4.0"Jun4.0"Jul3.1"Aug4.0"Sep3.5"Oct3.3"Nov3.4"Dec

Best time to visit Potomac Grove: May–June and August–September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ROCKVILLE 1 NE, MD US (USC00187705), adjusted for the elevation of Potomac Grove.

Potomac Grove weather month by month

January
42° 27°F
3.1 in of rain · 6 wet days
February
45° 28°F
2.6 in of rain · 5 wet days
March
54° 36°F
3.7 in of rain · 7 wet days
April
66° 46°F
3.2 in of rain · 6 wet days
May
74° 55°F
3.6 in of rain · 7 wet days
June
82° 64°F
4.0 in of rain · 6 wet days
July
87° 69°F
4.0 in of rain · 6 wet days
August
85° 67°F
3.1 in of rain · 5 wet days
September
78° 60°F
4.0 in of rain · 6 wet days
October
66° 48°F
3.5 in of rain · 5 wet days
November
56° 38°F
3.3 in of rain · 5 wet days
December
46° 31°F
3.4 in of rain · 6 wet days

Sunrise and sunset in Potomac Grove through the year

MonthSunriseSunsetDaylight
January7:24 AM5:12 PM9 h 47 min
February6:58 AM5:47 PM10 h 48 min
March7:18 AM7:17 PM11 h 58 min
April6:30 AM7:47 PM13 h 17 min
May5:54 AM8:16 PM14 h 22 min
June5:40 AM8:38 PM14 h 57 min
July5:54 AM8:35 PM14 h 41 min
August6:21 AM8:05 PM13 h 44 min
September6:49 AM7:19 PM12 h 29 min
October7:17 AM6:31 PM11 h 14 min
November6:50 AM4:56 PM10 h 5 min
December7:19 AM4:48 PM9 h 29 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in Potomac Grove?

Potomac Grove has a humid subtropical climate. The warmest month is July, with an average high of 87°F (31°C), and the coldest is January, with average lows of 27°F (-3°C).

It gets about 41.3 inches (1,050 mm) of precipitation a year. The wettest month is September and the driest is February.

The best time to visit Potomac Grove is May–June and August–September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

Webcams near Potomac Grove

The closest live webcam is Dranesville: VA-7 - MM 51.3 - EB, 8.8 miles SW of Potomac Grove.

Dranesville: VA-7 - MM 51.3 - EBDranesville · 8.8 mi SWOn Windy
Dranesville: VA-7 - MM 51.9 - WBDranesville · 8.9 mi SWOn Windy
Dranesville: VA-7 at Fairfax Co PkwyDranesville · 8.9 mi SWOn Windy
Colvin's Glen: VA-7 - MM 52.4 - WBunknown · 9.0 mi SWOn Windy
Colvin's Glen: VA-7 - MM 53.1 - WBunknown · 9.3 mi SOn Windy
Cascades: VA-7 - MM 48.1 - WBCascades · 9.3 mi SWOn Windy
Colvin's Glen: VA-7 - MM 54.2 - WBunknown · 9.5 mi SOn Windy
Garrett Park › South-east: Dulcet Drive West - Academy Park DriveGarrett Park · 9.6 mi SEOn Windy
Colvin's Glen: VA-7 - MM 55 - WBunknown · 9.8 mi SOn Windy

Webcams: Windy.com. Distances in a straight line from Potomac Grove.

Do you know Potomac Grove? Tell us about it

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Map of Potomac Grove, MD

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Potomac Grove Street View

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Towns near Potomac Grove

Other communities near Potomac Grove

Questions about Potomac Grove

Where is Potomac Grove, MD?

Potomac Grove is an unincorporated community in Montgomery County, Maryland, 1.1 miles SE of North Potomac.

What county is Potomac Grove in?

Potomac Grove is in Montgomery County, Maryland.

What is the ZIP code of Potomac Grove, MD?

The ZIP code for Potomac Grove is 20878.

What is the nearest town to Potomac Grove?

North Potomac, 1.1 miles away.

Are there webcams near Potomac Grove?

Yes. The closest is Dranesville: VA-7 - MM 51.3 - EB, 8.8 miles away.

What is the hottest month in Potomac Grove?

July, with an average high of 87°F (31°C).

What is the coldest month in Potomac Grove?

January, with an average low of 27°F (-3°C).

How much does it rain in Potomac Grove?

About 41.3 inches (1,050 mm) a year; the wettest month is September.

Does it snow in Potomac Grove?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit Potomac Grove?

May–June and August–September, when temperatures are most pleasant and rainy days are fewer.

What climate does Potomac Grove have?

Humid subtropical (Köppen Cfa).

Last updated: