Weather forecast for 10 daysThree Rivers, OR

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 68°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphWNW 301°
  • Humidity: 32%
  • UV index: 4
  • Sunrise: 7:23 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
Today, sunlight and clouds will take turns dominating the sky.
A notable disparity in temperature is expected, reaching up to a maximum of an agreeable 68°F and falling to a minimum of an icy 35.6°F.
A high of 68°F is expected, which resembles September's climate average of 69.8°F more than October's 54.7°F.
Sunrise was at 7:23 am and sunset will be at 6:19 pm; the daylight will last for 10h and 56min.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphSW 227°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:24 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
Tomorrow, on Sunday, sunshine will lead the day, with clouds making only brief appearances.
Temperatures will show considerable variation, extending from a high of a breezy 66.2°F to a low of a wintry 37.4°F.
Tomorrow, the maximum temperature will be higher and more reflective of September's average high of 69.8°F than October's of 54.7°F.
Sunrise will be at 7:24 am and sunset at 6:17 pm; tomorrow's daylight will last for 10h and 53min.

10-day overview

Daily temperatures

Maximum temperature: 68°C.
Coldest day: Saturday 24.10. 50°C.

Chance of precipitation

Highest chance: Saturday 24.10. 34%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 68°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphWNW 301°
  • Humidity: 32%
  • UV index: 4
  • Sunrise: 7:23 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphSW 227°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:24 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 57°F
  • 37°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphSW 218°
  • Humidity: 60%
  • UV index: 2
  • Sunrise: 7:25 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphNE 38°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:26 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphWSW 248°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:28 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 8mphWSW 258°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:29 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 52°F
  • 27°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 6mphWNW 287°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:30 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 50°F
  • 28°F
PM Showers
PM Showers
  • Precip. probability: 34%
  • Precipitation: 0.08"
  • Wind: 6mphSW 217°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:32 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 52°F
  • 27°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 6mphWSW 255°
  • Humidity: 57%
  • UV index: 2
  • Sunrise: 7:33 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 27°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 4mphWSW 246°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:34 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
Models point to a combination of primarily cloudy and occasionally bright and showery weather is forecasted.
With a probability of 34%, rainfall is expected only on next Saturday. Expected precipitation will be minimal at 0.08".
Substantial differences in temperature are forecasted in the coming days. Forecast highs will fluctuate between 50°F and 68°F, while nighttime temperatures are expected to vary from 26.6°F to 37.4°F.
Saturday and Wednesday, with the highest temperature of 68°F, will be the warmest days in Three Rivers; the lowest daytime temperature of the period will be reached on next Saturday, peaking at 50°F.
Updated: Oct 17, 2026 @ 19:30:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, some passing clouds may drift through, but the sun will shine at times.

Today, the highest temperature will be 68°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be noticeably higher than the average highest temperature of 54.7°F in October. The lowest temperature will be in line with the average low of 37.2°F.

On Saturday, in Three Rivers, sunrise was at 7:23 am and sunset will be at 6:19 pm (PDT).

Today, the daylight will last for 10h and 56min.

On Sunday, in Three Rivers, dry and sunny weather is expected throughout the day.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature will be noticeably higher than the average maximum of 54.7°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Three Rivers, sunrise will be at 7:24 am and sunset at 6:17 pm (PDT).

Tomorrow, the daylight will last for 10h and 53min.