Weather forecast for 10 daysRiley, OR

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 75°F
  • 27°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphW 263°
  • Humidity: 17%
  • UV index: 4
  • Sunrise: 7:15 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
On Saturday, in Riley, blue skies and warm sunshine will define the conditions.
Day and night temperatures will sharply contrast, oscillating between a warm 75.2°F and a freezing 26.6°F.
A high of 75.2°F is expected, which resembles September's climate average of 72.3°F more than October's 56.7°F.
Sunrise was at 7:15 am and sunset will be at 6:11 pm; the daylight will last for 10h and 56min.

Sunday Oct 18, 2026

  • 72°F
  • 28°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphSE 131°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:16 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
On Sunday, October 18, sunshine is also expected with little to no cloud cover.
Temperature fluctuations will be substantial, ranging from a peak of a delightful 71.6°F to a low of a harsh 28.4°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:16 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 54min.

10-day overview

Daily temperatures

Warmest day: today 75°C.
Coldest period: Friday - Monday 54°C.

Chance of precipitation

Highest chance: 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 75°F
  • 27°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphW 263°
  • Humidity: 17%
  • UV index: 4
  • Sunrise: 7:15 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 72°F
  • 28°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphSE 131°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:16 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 196°
  • Humidity: 33%
  • UV index: 3
  • Sunrise: 7:17 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 32°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphENE 69°
  • Humidity: 39%
  • UV index: 3
  • Sunrise: 7:18 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 105°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:19 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 9mphNW 321°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:21 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 54°F
  • 21°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 14mphNW 308°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:22 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 25°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • Wind: 9mphSE 132°
  • Humidity: 55%
  • UV index: 2
  • Sunrise: 7:23 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 23°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 11mphE 87°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:25 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 21°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphW 261°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:26 am PDT
  • Sunset: 5:57 pm PDT
  • ▼
For the next ten days, primarily cloudy and occasionally bright weather is forecasted.
With a 24% probability, rainfall is expected only on next Saturday. The precipitation will be minimal at 0.08".
Temperature fluctuation will be noticeable in the next ten days. Maximum temperatures are forecasted between 53.6°F and 75.2°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 21.2°F and 33.8°F.
The warmest day is today, with a maximum temperature of 75.2°F; with a maximum temperature of 53.6°F, Friday through next Monday will be the coldest days.
Updated: Oct 17, 2026 @ 17:38:41 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, dry and sunny weather is expected throughout the day.

Today, the highest temperature will be 75.2°F, while the lowest temperature will be 26.6°F.
The maximum temperature today will be uncommonly higher than the average highest temperature of 56.7°F in October. The lowest temperature today will be also notably lower than the average low of 39.4°F.

On Saturday, in Riley, sunrise was at 7:15 am and sunset will be at 6:11 pm (PDT).

In Riley, today, there will be 10h and 56min of daylight.

On Sunday, in Riley, conditions remain stable and sunny, with little cloud presence.

Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 28.4°F.
The maximum temperature tomorrow will be notably higher than the average highest temperature of 56.7°F in October. The lowest temperature tomorrow will be also uncommonly lower than the average low of 39.4°F.

On Sunday, in Riley, sunrise will be at 7:16 am and sunset at 6:09 pm (PDT).

Tomorrow, the daylight will last for 10h and 54min.