Onslow, WA
Unincorporated community in Grays Harbor County, Washington
Onslow is a small unincorporated community in Grays Harbor County, Washington. It is 4.1 miles SW of Copalis Beach, the nearest town. Its ZIP code is 98536.
Onslow at a glance
- State
- Washington
- County
- Grays Harbor County
- ZIP code
- 98536
- Nearest town
- Copalis Beach (4.1 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 47.1706, -124.1131
Weather in Onslow now
Loading the National Weather Service forecast…
Onslow weather by the hour
Onslow weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Onslow.
This week in Onslow
Sunrise, sunset and moon in Onslow
What is the weather usually like in Onslow?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 70°F average high
- Februarycoldest month · 34°F average low
- 115.6 inprecipitation per year · 2,937 mm
- 1.0 insnowfall per year · 3 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Onslow: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station HUMPTULIPS SALMON HATCHERY, WA US (USC00453826), adjusted for the elevation of Onslow.
Onslow weather month by month
Sunrise and sunset in Onslow through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:56 AM | 4:55 PM | 8 h 59 min |
| February | 7:18 AM | 5:42 PM | 10 h 23 min |
| March | 7:26 AM | 7:23 PM | 11 h 56 min |
| April | 6:25 AM | 8:06 PM | 13 h 41 min |
| May | 5:38 AM | 8:47 PM | 15 h 9 min |
| June | 5:18 AM | 9:15 PM | 15 h 57 min |
| July | 5:34 AM | 9:10 PM | 15 h 35 min |
| August | 6:12 AM | 8:29 PM | 14 h 17 min |
| September | 6:53 AM | 7:30 PM | 12 h 36 min |
| October | 7:33 AM | 6:30 PM | 10 h 56 min |
| November | 7:19 AM | 4:43 PM | 9 h 23 min |
| December | 7:54 AM | 4:28 PM | 8 h 34 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Onslow?
Onslow has a oceanic climate. The warmest month is August, with an average high of 70°F (21°C), and the coldest is February, with average lows of 34°F (1°C).
It gets about 115.6 inches (2,937 mm) of precipitation a year. The wettest month is January and the driest is July. Snow is common: about 1 inches fall in an average year.
The best time to visit Onslow 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 Onslow
The closest live webcam is Westport › North: US 101 at MP 100.4: State Camp Hill, 10.5 miles E of Onslow.
Webcams: Windy.com. Distances in a straight line from Onslow.
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Map of Onslow, WA
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Onslow Street View
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Questions about Onslow
Where is Onslow, WA?
Onslow is an unincorporated community in Grays Harbor County, Washington, 4.1 miles SW of Copalis Beach.
What county is Onslow in?
Onslow is in Grays Harbor County, Washington.
What is the ZIP code of Onslow, WA?
The ZIP code for Onslow is 98536.
What is the nearest town to Onslow?
Copalis Beach, 4.1 miles away.
Are there webcams near Onslow?
Yes. The closest is Westport › North: US 101 at MP 100.4: State Camp Hill, 10.5 miles away.
What is the hottest month in Onslow?
August, with an average high of 70°F (21°C).
What is the coldest month in Onslow?
February, with an average low of 34°F (1°C).
How much does it rain in Onslow?
About 115.6 inches (2,937 mm) a year; the wettest month is January.
Does it snow in Onslow?
Yes, about 1 inches of snow fall in an average year.
When is the best time to visit Onslow?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Onslow have?
Oceanic (Köppen Cfb).
Last updated: