Weather forecast for tomorrowRainier, OR

Weather forecast for tomorrow

Saturday Oct 31, 2026

  • 57°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 5mphN 352°
  • Humidity: 79%
  • UV index: 2
  • Sunrise: 7:51 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
Tomorrow, on Saturday, October 31, gloomy and cloudy conditions will set the tone.
Rainfall is not expected. The temperature variation is forecasted to range from a maximum of a mild 57.2°F to a minimum of an icy 39.2°F.
Tomorrow's high is anticipated to coincide with the typical October maximum 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 11%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphSE 144°
  • Humidity: 94%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphSE 146°
  • Humidity: 96%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 1mphSSE 154°
  • Humidity: 97%
  • Pressure: 29.97"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 1mphESE 109°
  • Humidity: 99%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Sunrise: 7:51 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 1mphN 10°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphN 0°
  • Humidity: 94%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNNW 342°
  • Humidity: 77%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNW 336°
  • Humidity: 65%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNW 344°
  • Humidity: 61%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphNNW 346°
  • Humidity: 69%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphNNW 333°
  • Humidity: 81%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphNNW 337°
  • Humidity: 87%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, on Saturday, a combination of primarily gloomy and occasionally showery and misty weather is expected.
The temperature will be between a minimum of 35.6°F and a maximum of 55.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted high will be comparable to the typical October maximum of 59°F. The night temperature will be also close to the standard October low of 42.3°F.
Updated: Oct 30, 2026 @ 11:32:57 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, the sky is expected to stay overcast for much of the day.

No, it will not rain tomorrow.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 39.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

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

Tomorrow, the daylight will last for 10h and 8min.