Rolling Knolls, MD

Unincorporated community in Montgomery County, Maryland

Rolling Knolls is a small unincorporated community in Montgomery County, Maryland. It is 2.2 miles N of Laytonsville, the nearest town. Its ZIP code is 20879.

Rolling Knolls at a glance

State
Maryland
County
Montgomery County
ZIP code
20879
Nearest town
Laytonsville (2.2 mi)
Time zone
America/New York
Coordinates
39.1794, -77.1208

Weather in Rolling Knolls now

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Rolling Knolls weather by the hour

Rolling Knolls weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Rolling Knolls.

This week in Rolling Knolls

Sunrise, sunset and moon in Rolling Knolls

What is the weather usually like in Rolling Knolls?

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 Rolling Knolls: 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 Rolling Knolls.

Rolling Knolls 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 Rolling Knolls through the year

MonthSunriseSunsetDaylight
January7:24 AM5:11 PM9 h 46 min
February6:58 AM5:46 PM10 h 48 min
March7:17 AM7:16 PM11 h 58 min
April6:29 AM7:47 PM13 h 17 min
May5:53 AM8:16 PM14 h 22 min
June5:40 AM8:37 PM14 h 57 min
July5:53 AM8:35 PM14 h 42 min
August6:20 AM8:05 PM13 h 44 min
September6:48 AM7:18 PM12 h 29 min
October7:17 AM6:31 PM11 h 14 min
November6:50 AM4:55 PM10 h 5 min
December7:19 AM4:48 PM9 h 28 min

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

What is the weather like in Rolling Knolls?

Rolling Knolls 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 Rolling Knolls 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 Rolling Knolls

The closest live webcam is Garrett Park › South-east: Dulcet Drive West - Academy Park Drive, 10.1 miles S of Rolling Knolls.

Garrett Park › South-east: Dulcet Drive West - Academy Park DriveGarrett Park · 10.1 mi SOn Windy
Parkview Hills: I-495 - MM 42.5 - NBunknown · 15.2 mi SOn Windy
Parkview Hills: I-495 - MM 42.7 - SBunknown · 15.3 mi SOn Windy
River Oaks: I-495 - MM 42.8 - SBunknown · 15.4 mi SOn Windy
River Oaks: I-495 - MM 42.9 - SBunknown · 15.4 mi SOn Windy
LaurelLaurel · 15.6 mi EOn Windy
River Oaks: I-495 - MM 43.4 - SBunknown · 15.9 mi SOn Windy
Broyhill-Langley Estates: I-495 - MM 43.5 - NBunknown · 16.1 mi SOn Windy
McLean: I-495 - MM 44.5 - SBMcLean · 16.9 mi SOn Windy

Webcams: Windy.com. Distances in a straight line from Rolling Knolls.

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Map of Rolling Knolls, MD

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Rolling Knolls Street View

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Towns near Rolling Knolls

Other communities near Rolling Knolls

Questions about Rolling Knolls

Where is Rolling Knolls, MD?

Rolling Knolls is an unincorporated community in Montgomery County, Maryland, 2.2 miles N of Laytonsville.

What county is Rolling Knolls in?

Rolling Knolls is in Montgomery County, Maryland.

What is the ZIP code of Rolling Knolls, MD?

The ZIP code for Rolling Knolls is 20879.

What is the nearest town to Rolling Knolls?

Laytonsville, 2.2 miles away.

Are there webcams near Rolling Knolls?

Yes. The closest is Garrett Park › South-east: Dulcet Drive West - Academy Park Drive, 10.1 miles away.

What is the hottest month in Rolling Knolls?

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

What is the coldest month in Rolling Knolls?

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

How much does it rain in Rolling Knolls?

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

Does it snow in Rolling Knolls?

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

When is the best time to visit Rolling Knolls?

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

What climate does Rolling Knolls have?

Humid subtropical (Köppen Cfa).

Last updated: