Weather forecast for tomorrowOso, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphNNW 341°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:32 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
On Sunday, in Oso, expect a partly sunny afternoon with variable cloud cover.
The predicted temperature range extends from a high of a breezy 62.6°F to a low of a chilly 44.6°F.
The warmer conditions bring a maximum of 62.6°F, more representative of September than October.
Sunrise will be at 7:32 am and sunset at 6:13 pm; tomorrow's daylight will last for 10h and 41min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 43°C.

Chance of precipitation

Highest chance: 3 am 14%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphNE 47°
  • Humidity: 96%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphNE 39°
  • Humidity: 95%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphNE 47°
  • Humidity: 90%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNE 50°
  • Humidity: 87%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:32 am
  • 8 am
  • 43°F
  • Feels like:
    39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNE 54°
  • Humidity: 91%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphENE 62°
  • Humidity: 76%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNW 347°
  • Humidity: 58%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphW 277°
  • Humidity: 49%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphW 280°
  • Humidity: 54%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphWNW 298°
  • Humidity: 70%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:13 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphNE 56°
  • Humidity: 80%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphENE 62°
  • Humidity: 77%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily cloudy and occasionally dry and sunny weather is predicted.
The temperature will vary between a minimum of 41°F and a maximum of 60.8°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the forecasted maximum will be more alike with September's average high of 66.2°F than October's 56.3°F. The temperature low is forecasted to be comparable to the usual October value of 43.3°F.
Updated: Oct 18, 2026 @ 00:13:59 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, clouds and sunshine will alternate throughout the day.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 44.6°F.
The maximum temperature will be slightly warmer than the average highest temperature of 56.3°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Oso, sunrise will be at 7:32 am and sunset at 6:13 pm (PDT).

In Oso, the length of the day tomorrow will be 10h and 41min.