Waterloo, WA

Unincorporated community in Ferry County, Washington

Waterloo is a small unincorporated community in Ferry County, Washington. It is 5.9 miles W of Inchelium, the nearest town. Its ZIP code is 99167.

Waterloo at a glance

State
Washington
County
Ferry County
ZIP code
99167
Nearest town
Inchelium (5.9 mi)
Time zone
America/Los Angeles
Coordinates
48.3675, -118.1167

Weather in Waterloo now

Loading the National Weather Service forecast…

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?

Dsb
Warm-summer Mediterranean continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

18°37°56°75°94°34°23°Jan42°24°Feb53°29°Mar62°35°Apr72°43°May78°49°Jun88°53°Jul89°51°Aug78°44°Sep61°35°Oct44°29°Nov34°24°Dec

Average precipitation (inches)

2.2"Jan1.5"Feb1.9"Mar1.5"Apr1.9"May2.1"Jun0.8"Jul0.7"Aug0.7"Sep1.5"Oct2.2"Nov2.8"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 COLVILLE, WA US (USC00451630), adjusted for the elevation of Waterloo.

Waterloo weather month by month

January
34° 23°F
2.2 in of rain · 7 wet days❄ 14.5 in of snow
February
42° 24°F
1.5 in of rain · 5 wet days❄ 5.4 in of snow
March
53° 29°F
1.9 in of rain · 6 wet days❄ 2.7 in of snow
April
62° 35°F
1.5 in of rain · 5 wet days❄ 0.2 in of snow
May
72° 43°F
1.9 in of rain · 6 wet days
June
78° 49°F
2.1 in of rain · 5 wet days
July
88° 53°F
0.8 in of rain · 3 wet days
August
89° 51°F
0.7 in of rain · 2 wet days
September
78° 44°F
0.7 in of rain · 3 wet days
October
61° 35°F
1.5 in of rain · 4 wet days
November
44° 29°F
2.2 in of rain · 7 wet days❄ 5.6 in of snow
December
34° 24°F
2.8 in of rain · 8 wet days❄ 15.0 in of snow

Sunrise and sunset in Waterloo through the year

MonthSunriseSunsetDaylight
January7:36 AM4:27 PM8 h 50 min
February6:57 AM5:15 PM10 h 18 min
March7:03 AM6:59 PM11 h 56 min
April5:59 AM7:45 PM13 h 45 min
May5:09 AM8:27 PM15 h 17 min
June4:48 AM8:57 PM16 h 8 min
July5:05 AM8:51 PM15 h 45 min
August5:45 AM8:08 PM14 h 23 min
September6:28 AM7:06 PM12 h 38 min
October7:11 AM6:05 PM10 h 53 min
November6:58 AM4:15 PM9 h 16 min
December7:35 AM4:00 PM8 h 24 min

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

What is the weather like in Waterloo?

Waterloo has a warm-summer mediterranean continental climate. The warmest month is August, with an average high of 89°F (31°C), and the coldest is January, with average lows of 23°F (-5°C).

It gets about 19.9 inches (505 mm) of precipitation a year. The wettest month is December and the driest is August. Snow is common: about 43 inches fall in an average year.

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 Colville › North: US 395 at MP 229.34 - Birch Ave, 15.5 miles NE of Waterloo.

Colville › North: US 395 at MP 229.34 - Birch AveColville · 15.5 mi NEOn Windy
Colville › North: US 395 at MP 230.6 - Canning DrColville · 15.8 mi NEOn Windy
Colville › South: Municipal Airport EastColville · 16.2 mi NEOn Windy
Republic › East: SR 20 at MP 319.5: Sherman PassRepublic · 23.4 mi NWOn Windy
Ferry › East: SR 20 at MP 319.5: Sherman Passunknown · 23.4 mi NWOn Windy
Deer Park › North: US 395 at MP 188.1: Loon Lake Summit (1)Deer Park · 33.4 mi SEOn Windy

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

Do you know Waterloo? Tell us about it

Help other travelers: share what makes Waterloo special. We review every message before publishing it.

Map of Waterloo, WA

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

Waterloo Street View

Loading Street View…

Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.

Open in Google Maps ›

Towns near Waterloo

Other communities near Waterloo

Questions about Waterloo

Where is Waterloo, WA?

Waterloo is an unincorporated community in Ferry County, Washington, 5.9 miles W of Inchelium.

What county is Waterloo in?

Waterloo is in Ferry County, Washington.

What is the ZIP code of Waterloo, WA?

The ZIP code for Waterloo is 99167.

What is the nearest town to Waterloo?

Inchelium, 5.9 miles away.

Are there webcams near Waterloo?

Yes. The closest is Colville › North: US 395 at MP 229.34 - Birch Ave, 15.5 miles away.

What is the hottest month in Waterloo?

August, with an average high of 89°F (31°C).

What is the coldest month in Waterloo?

January, with an average low of 23°F (-5°C).

How much does it rain in Waterloo?

About 19.9 inches (505 mm) a year; the wettest month is December.

Does it snow in Waterloo?

Yes, about 43 inches of snow fall in an average year.

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?

Warm-summer mediterranean continental (Köppen Dsb).

Last updated: