Rainier Valley, WA

Unincorporated community in King County, Washington

Rainier Valley is a small unincorporated community in King County, Washington. It is 2.7 miles E of Mercer Island, the nearest town. Its ZIP code is 98118.

Rainier Valley at a glance

State
Washington
County
King County
ZIP code
98118
Nearest town
Mercer Island (2.7 mi)
Time zone
America/Los Angeles
Coordinates
47.5556, -122.2886

Weather in Rainier Valley now

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Rainier Valley weather by the hour

Rainier Valley weather for the next 7 days

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

This week in Rainier Valley

Sunrise, sunset and moon in Rainier Valley

What is the weather usually like in Rainier Valley?

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

Average high and low temperature (°F)

31°44°57°69°82°49°37°Jan51°37°Feb55°39°Mar60°44°Apr67°49°May71°54°Jun77°58°Jul77°58°Aug72°54°Sep61°46°Oct53°40°Nov48°36°Dec

Average precipitation (inches)

5.2"Jan3.7"Feb3.9"Mar2.9"Apr2.0"May1.2"Jun0.6"Jul0.8"Aug1.4"Sep3.5"Oct5.8"Nov5.5"Dec

Best time to visit Rainier Valley: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SEATTLE BOEING FLD, WA US (USW00024234), adjusted for the elevation of Rainier Valley.

Rainier Valley weather month by month

January
49° 37°F
5.2 in of rain · 12 wet days
February
51° 37°F
3.7 in of rain · 9 wet days
March
55° 39°F
3.9 in of rain · 11 wet days
April
60° 44°F
2.9 in of rain · 8 wet days
May
67° 49°F
2.0 in of rain · 6 wet days
June
71° 54°F
1.2 in of rain · 4 wet days
July
77° 58°F
0.6 in of rain · 1 wet days
August
77° 58°F
0.8 in of rain · 2 wet days
September
72° 54°F
1.4 in of rain · 4 wet days
October
61° 46°F
3.5 in of rain · 8 wet days
November
53° 40°F
5.8 in of rain · 11 wet days
December
48° 36°F
5.5 in of rain · 11 wet days

Sunrise and sunset in Rainier Valley through the year

MonthSunriseSunsetDaylight
January7:50 AM4:47 PM8 h 56 min
February7:12 AM5:34 PM10 h 21 min
March7:19 AM7:16 PM11 h 56 min
April6:17 AM8:00 PM13 h 42 min
May5:29 AM8:41 PM15 h 12 min
June5:09 AM9:10 PM16 h 1 min
July5:25 AM9:04 PM15 h 38 min
August6:04 AM8:23 PM14 h 19 min
September6:45 AM7:22 PM12 h 37 min
October7:26 AM6:22 PM10 h 55 min
November7:12 AM4:34 PM9 h 21 min
December7:48 AM4:20 PM8 h 31 min

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

What is the weather like in Rainier Valley?

Rainier Valley has a warm-summer mediterranean climate. The warmest month is July, with an average high of 77°F (25°C), and the coldest is December, with average lows of 36°F (2°C).

It gets about 36.5 inches (927 mm) of precipitation a year. The wettest month is November and the driest is July.

The best time to visit Rainier Valley is June to 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 Rainier Valley

The closest live webcam is Seattle: Rainier Valley: I-5 at MP 161: Swift Ave, NB Ramp, 1.1 miles SW of Rainier Valley.

Seattle: Rainier Valley: I-5 at MP 161: Swift Ave, NB RampSeattle · 1.1 mi SWOn Windy
Seattle: I-5 at MP 160.9: S Graham StSeattle · 1.1 mi SWOn Windy
Seattle: Georgetown: I-5 at MP 161.2: Albro Pl - Swift AveSeattle · 1.2 mi SWOn Windy
Seattle: I-5 at MP 161.2: Albro PlSeattle · 1.2 mi SWOn Windy
Seattle: I-5 at MP 160.4: S Willow StSeattle · 1.2 mi SWOn Windy
Seattle: I-5 at MP 160: S Webster StSeattle · 1.4 mi SOn Windy
Seattle: I-5 at MP 160: S Austin StSeattle · 1.5 mi SOn Windy
Seattle: I-5 at MP 162: S Ferdinand StSeattle · 1.5 mi WOn Windy
Seattle: I-5 at MP 159.7: S Rose St (Mid-Boeing Field)Seattle · 1.7 mi SOn Windy

Webcams: Windy.com. Distances in a straight line from Rainier Valley.

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Map of Rainier Valley, WA

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

Rainier Valley Street View

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Towns near Rainier Valley

Other communities near Rainier Valley

Questions about Rainier Valley

Where is Rainier Valley, WA?

Rainier Valley is an unincorporated community in King County, Washington, 2.7 miles E of Mercer Island.

What county is Rainier Valley in?

Rainier Valley is in King County, Washington.

What is the ZIP code of Rainier Valley, WA?

The ZIP code for Rainier Valley is 98118.

What is the nearest town to Rainier Valley?

Mercer Island, 2.7 miles away.

Are there webcams near Rainier Valley?

Yes. The closest is Seattle: Rainier Valley: I-5 at MP 161: Swift Ave, NB Ramp, 1.1 miles away.

What is the hottest month in Rainier Valley?

July, with an average high of 77°F (25°C).

What is the coldest month in Rainier Valley?

December, with an average low of 36°F (2°C).

How much does it rain in Rainier Valley?

About 36.5 inches (927 mm) a year; the wettest month is November.

Does it snow in Rainier Valley?

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

When is the best time to visit Rainier Valley?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does Rainier Valley have?

Warm-summer mediterranean (Köppen Csb).

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