Keystone, WA
Unincorporated community in Island County, Washington
Keystone is a small unincorporated community in Island County, Washington. It is 4.4 miles NW of Coupeville, the nearest town. Its ZIP code is 98239.
Keystone at a glance
- State
- Washington
- County
- Island County
- ZIP code
- 98239
- Nearest town
- Coupeville (4.4 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 48.1639, -122.6306
Weather in Keystone now
Loading the National Weather Service forecast…
Keystone weather by the hour
Keystone weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Keystone.
This week in Keystone
Sunrise, sunset and moon in Keystone
What is the weather usually like in Keystone?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 71°F average high
- Februarycoldest month · 36°F average low
- 21.7 inprecipitation per year · 552 mm
- 2.5 insnowfall per year · 6 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Keystone: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station COUPEVILLE 1 S, WA US (USC00451783), adjusted for the elevation of Keystone.
Keystone weather month by month
Sunrise and sunset in Keystone through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:53 AM | 4:46 PM | 8 h 52 min |
| February | 7:14 AM | 5:34 PM | 10 h 19 min |
| March | 7:21 AM | 7:17 PM | 11 h 56 min |
| April | 6:18 AM | 8:02 PM | 13 h 44 min |
| May | 5:28 AM | 8:45 PM | 15 h 16 min |
| June | 5:07 AM | 9:14 PM | 16 h 6 min |
| July | 5:24 AM | 9:08 PM | 15 h 43 min |
| August | 6:03 AM | 8:25 PM | 14 h 21 min |
| September | 6:46 AM | 7:24 PM | 12 h 38 min |
| October | 7:29 AM | 6:23 PM | 10 h 54 min |
| November | 7:16 AM | 4:34 PM | 9 h 17 min |
| December | 7:52 AM | 4:18 PM | 8 h 26 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Keystone?
Keystone has a warm-summer mediterranean climate. The warmest month is August, with an average high of 71°F (21°C), and the coldest is February, with average lows of 36°F (2°C).
It gets about 21.7 inches (552 mm) of precipitation a year. The wettest month is November and the driest is August. Snow is common: about 2 inches fall in an average year.
The best time to visit Keystone 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 Keystone
The closest live webcam is Oak Harbor › East: WSF Coupeville Terminal, 2.0 miles W of Keystone.
Webcams: Windy.com. Distances in a straight line from Keystone.
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Map of Keystone, WA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Keystone 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 Keystone
Other communities near Keystone
- Keystone Ferry Landing1.8 mi W
- Rodena Beach3.8 mi N
- Prairie Center4.0 mi NW
- Ebeys Landing4.0 mi NW
- Sunset Terrace4.1 mi NW
- Dean Manor4.5 mi NW
- Captains Choice4.5 mi NW
- Rockaway Beach5.2 mi NE
- Sunset Beach5.7 mi NE
- Madrona Beach5.8 mi NE
- Saratoga Shores5.9 mi E
- Saratoga Shores5.9 mi E
- San de Fuca6.5 mi NW
- Coveland6.8 mi NW
- Baby Island Heights6.9 mi SE
Questions about Keystone
Where is Keystone, WA?
Keystone is an unincorporated community in Island County, Washington, 4.4 miles NW of Coupeville.
What county is Keystone in?
Keystone is in Island County, Washington.
What is the ZIP code of Keystone, WA?
The ZIP code for Keystone is 98239.
What is the nearest town to Keystone?
Coupeville, 4.4 miles away.
Are there webcams near Keystone?
Yes. The closest is Oak Harbor › East: WSF Coupeville Terminal, 2.0 miles away.
What is the hottest month in Keystone?
August, with an average high of 71°F (21°C).
What is the coldest month in Keystone?
February, with an average low of 36°F (2°C).
How much does it rain in Keystone?
About 21.7 inches (552 mm) a year; the wettest month is November.
Does it snow in Keystone?
Yes, about 2 inches of snow fall in an average year.
When is the best time to visit Keystone?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Keystone have?
Warm-summer mediterranean (Köppen Csb).
Last updated: