Weather forecast for tomorrowRainier, OR

Weather forecast for tomorrow

Saturday Oct 31, 2026

  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 5mphNNW 348°
  • Humidity: 80%
  • UV index: 2
  • Sunrise: 7:51 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
Tomorrow, sun and clouds will share the sky, creating a partly cloudy day.
The temperature is expected to oscillate between a maximum of a moderate 57.2°F and a minimum of an icy 37.4°F.
The anticipated daytime maximum should align with the typical October high of 59°F.
Sunrise will be at 7:51 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 8min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 6 am - 9 am 21%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSE 140°
  • Humidity: 97%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSE 146°
  • Humidity: 96%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 2mphSE 136°
  • Humidity: 96%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 1mphE 98°
  • Humidity: 99%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 7:51 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 1mphN 358°
  • Humidity: 99%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 41°F
  • Feels like:
    41°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNNW 347°
  • Humidity: 93%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 pm
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphNNW 341°
  • Humidity: 79%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNNW 341°
  • Humidity: 68%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNNW 344°
  • Humidity: 63%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 52°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphN 350°
  • Humidity: 73%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphNNW 347°
  • Humidity: 86%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphNNW 331°
  • Humidity: 91%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, cloudy conditions are likely to prevail.
The temperature will vary between a minimum of 35.6°F and a maximum of 55.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be alike with the average high of 59°F in October. Tomorrow, the temperature is expected to be also slightly cooler than October's normal minimum of 42.3°F.
Updated: Oct 31, 2026 @ 04:18:41 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, moments of sunshine will break through the patchy clouds.

Tomorrow, the maximum temperature will be 57.2°F, while the minimum temperature will be 37.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be moderately lower than the average low of 42.3°F.

On Saturday, in Rainier, sunrise will be at 7:51 am and sunset at 5:59 pm (PDT).

In Rainier, tomorrow, there will be 10h and 8min of daylight.