Oso, WA Weather
Oso, WA climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 30's.
The warmest month of the year is August with an average maximum temperature of 78.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 29.20 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 27 degrees Fahrenheit, and fairly limited during winter with an average difference of 14 degrees Fahrenheit.
The annual average precipitation at Oso is 47.24 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is November with an average rainfall of 6.29 Inches.
Weather Data
Current Conditions
|
Mostly Cloudy, 52°F | Humidity: 82% | Dewpoint: 46°F |
| Wind Speed: SE 19.6 MPH G 31.1 (17 MPH G 27 KT) | Heat Index: 52°F | ||
| Barometer: 29.96 in. | Wind Chill: 46°F |
Weather Forecast
 | Tonight: Clouding up with rain and snow likely after midnight. Snow level 5500 feet. Little snow accumulation. East wind 5 to 15 mph becoming west 10 to 15 mph. | |
| Hi: 40°F | Sunday: Rain and snow likely in the morning...Then showers in the afternoon. Snow level 4500 feet. Snow accumulation up to 2 inches. Afternoon pass temperatures in the upper 30s to mid 40s. West wind in the passes 10 to 15 mph. |
 | Hi: 41°F | Monday: Showers likely. Snow level 2500 feet. Afternoon pass temperatures in the lower 40s. West wind in the passes 10 to 15 mph. |
 | Hi: 49°F | Tuesday: Mostly sunny. Freezing level 4000 feet. Afternoon pass temperatures in the upper 40s. |
| Wednesday: Partly sunny. Freezing level 7000 feet. | |
| Thursday: Mostly cloudy with a chance of rain and snow. Snow level 4500 feet. | |
 | Friday: Mostly cloudy with a chance of showers. Snow level 3000 feet. | |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:36 AM PDT |
Sunrise: 7:07 AM PDT |
| Sunset: 7:22 PM PDT |
Civil Twilight: 7:53 PM PDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 41.5 | 46.8 | 53.3 | 60.8 | 67.8 | 71.9 | 78.1 | 78.9 | 73.2 | 61.5 | 47.4 | 41.0 | 60.2 |
| Mean °F | 35.4 | 38.9 | 43.8 | 49.4 | 55.8 | 60.3 | 65.2 | 65.4 | 59.8 | 50.3 | 41.0 | 35.6 | 50.1 |
| Min °F | 29.2 | 30.9 | 34.3 | 38.0 | 43.8 | 48.7 | 52.2 | 51.8 | 46.4 | 39.1 | 34.6 | 30.1 | 39.9 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 5.67 | 4.31 | 4.55 | 4.06 | 3.47 | 2.70 | 1.76 | 1.74 | 2.45 | 3.99 | 6.29 | 6.25 | 47.24 |
