Waterloo, MD

Unincorporated community in Washington County, Maryland

Waterloo is a small unincorporated community in Washington County, Maryland. It is 2.8 miles W of Mount Lena, the nearest town. Its ZIP code is 21773.

Waterloo at a glance

State
Maryland
County
Washington County
ZIP code
21773
Nearest town
Mount Lena (2.8 mi)
Time zone
America/New York
Coordinates
39.5578, -77.5689

Weather in Waterloo now

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Waterloo weather by the hour

Waterloo weather for the next 7 days

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

This week in Waterloo

Sunrise, sunset and moon in Waterloo

What is the weather usually like in Waterloo?

Dfa
Hot-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

17°36°54°73°91°39°22°Jan42°22°Feb51°29°Mar63°39°Apr72°49°May81°59°Jun86°63°Jul84°61°Aug77°54°Sep65°42°Oct53°32°Nov43°26°Dec

Average precipitation (inches)

3.3"Jan2.6"Feb3.7"Mar3.5"Apr5.6"May4.4"Jun3.7"Jul3.8"Aug5.0"Sep3.7"Oct3.1"Nov3.8"Dec

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

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SMITHSBURG 2NW, MD US (USC00188371), adjusted for the elevation of Waterloo.

Waterloo weather month by month

January
39° 22°F
3.3 in of rain
February
42° 22°F
2.6 in of rain
March
51° 29°F
3.7 in of rain
April
63° 39°F
3.5 in of rain
May
72° 49°F
5.6 in of rain
June
81° 59°F
4.4 in of rain
July
86° 63°F
3.7 in of rain
August
84° 61°F
3.8 in of rain
September
77° 54°F
5.0 in of rain
October
65° 42°F
3.7 in of rain
November
53° 32°F
3.1 in of rain
December
43° 26°F
3.8 in of rain

Sunrise and sunset in Waterloo through the year

MonthSunriseSunsetDaylight
January7:27 AM5:12 PM9 h 44 min
February7:00 AM5:48 PM10 h 47 min
March7:19 AM7:18 PM11 h 58 min
April6:31 AM7:49 PM13 h 18 min
May5:54 AM8:19 PM14 h 24 min
June5:40 AM8:40 PM15 h 0 min
July5:54 AM8:38 PM14 h 44 min
August6:21 AM8:07 PM13 h 46 min
September6:50 AM7:20 PM12 h 30 min
October7:19 AM6:32 PM11 h 13 min
November6:53 AM4:56 PM10 h 3 min
December7:22 AM4:48 PM9 h 26 min

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

What is the weather like in Waterloo?

Waterloo has a hot-summer humid continental climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is January, with average lows of 22°F (-6°C).

It gets about 46.1 inches (1,172 mm) of precipitation a year. The wettest month is May and the driest is February.

The best time to visit Waterloo 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 Waterloo

The closest live webcam is Antrim Township, 14.3 miles NW of Waterloo.

Antrim TownshipAntrim Township · 14.3 mi NWOn Windy
Antrim TownshipAntrim Township · 16.2 mi NWOn Windy
Antrim TownshipAntrim Township · 17.5 mi NWOn Windy
Emmitsburg › South-westEmmitsburg · 18.1 mi NEOn Windy
Emmitsburg: NorthgateEmmitsburg · 18.2 mi NEOn Windy
Freedom TownshipFreedom Township · 18.2 mi NEOn Windy
FairplayFairplay · 19.5 mi NEOn Windy
Guilford TownshipGuilford Township · 21.5 mi NOn Windy
Martinsburg: Chapel ViewMartinsburg · 22.3 mi SWOn Windy

Webcams: Windy.com. Distances in a straight line from Waterloo.

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Map of Waterloo, MD

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Waterloo Street View

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Towns near Waterloo

Other communities near Waterloo

Questions about Waterloo

Where is Waterloo, MD?

Waterloo is an unincorporated community in Washington County, Maryland, 2.8 miles W of Mount Lena.

What county is Waterloo in?

Waterloo is in Washington County, Maryland.

What is the ZIP code of Waterloo, MD?

The ZIP code for Waterloo is 21773.

What is the nearest town to Waterloo?

Mount Lena, 2.8 miles away.

Are there webcams near Waterloo?

Yes. The closest is Antrim Township, 14.3 miles away.

What is the hottest month in Waterloo?

July, with an average high of 86°F (30°C).

What is the coldest month in Waterloo?

January, with an average low of 22°F (-6°C).

How much does it rain in Waterloo?

About 46.1 inches (1,172 mm) a year; the wettest month is May.

Does it snow in Waterloo?

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

When is the best time to visit Waterloo?

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

What climate does Waterloo have?

Hot-summer humid continental (Köppen Dfa).

Last updated: