Weather forecast for tomorrowRainier, OR

Weather forecast for tomorrow

Saturday Oct 31, 2026

  • 57°F
  • 37°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 5mphNNW 347°
  • Humidity: 80%
  • UV index: 2
  • Sunrise: 7:51 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
On Saturday, October 31, gray skies will define the day.
Rainfall is not expected for tomorrow. Predicted temperatures will peak at a mild 57.2°F and dip to a minimum of an icy 37.4°F.
The high is forecasted to coincide with October's normal 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: 9 pm 12%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphSE 146°
  • Humidity: 95%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphSSE 147°
  • Humidity: 97%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 1mphSE 141°
  • Humidity: 99%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 1mphENE 78°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 7:51 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 1mphN 356°
  • Humidity: 99%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNNW 347°
  • Humidity: 97%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
  • 12 pm
  • 48°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNNW 337°
  • Humidity: 80%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNW 340°
  • Humidity: 67%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNNW 344°
  • Humidity: 62%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNNW 344°
  • Humidity: 69%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 1mphNNW 340°
  • Humidity: 84%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphNNW 338°
  • Humidity: 89%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, on Saturday, primarily cloudy and occasionally rain-filled weather is forecasted.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 55.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be in line with October's average high. The minimum temperature tomorrow will be also relatively lower than October's average low.
Updated: Oct 30, 2026 @ 18:26:20 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, the weather will be mostly cloudy.

No, it will not rain tomorrow.

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 tomorrow will be relatively lower than the average low temperature.

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

In Rainier, the length of the day tomorrow will be 10h and 8min.