Weather forecast for tomorrowRainier, OR

Weather forecast for tomorrow

Saturday Oct 31, 2026

  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 5mphNNW 348°
  • Humidity: 80%
  • UV index: 2
  • Sunrise: 7:51 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
Tomorrow, on Saturday, changing cloud patterns will allow for periods of sunshine.
Rainfall is not anticipated. The highest predicted temperature is a mild 57.2°F, while the lowest temperature will be a wintry 37.4°F.
The expected maximum is predicted to be in line with the regular October temperature 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
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphSE 142°
  • Humidity: 95%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphSSE 148°
  • Humidity: 97%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 1mphSSE 147°
  • Humidity: 99%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 1mphE 100°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 7:51 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 1mphN 1°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 41°F
  • Feels like:
    41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNNW 345°
  • Humidity: 94%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
  • 12 pm
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNNW 341°
  • Humidity: 78%
  • 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 339°
  • Humidity: 67%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNNW 346°
  • Humidity: 62%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNNW 346°
  • Humidity: 70%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 1mphNNW 346°
  • Humidity: 86%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 1mphNNW 336°
  • Humidity: 89%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, on Saturday, primarily cloudy and occasionally showery weather is predicted.
The temperature will be 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 highest temperature will be comparable to October's average maximum of 59°F. Forecasts indicate a night temperature also relatively lower than the usual October minimum of 42.3°F.
Updated: Oct 30, 2026 @ 23:13:26 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, thin clouds will pass through at times, but overall, it will remain bright.

No, it will not rain tomorrow.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 37.4°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature will be a few degrees 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).

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