Weather forecast for 10 daysO'Brien, OR

Weather forecast for the weekend

Saturday Oct 24, 2026

  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphENE 74°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:38 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
On Saturday, October 24, mainly sunny skies with just a few high clouds are anticipated.
Temperatures are predicted to move from a peak of a delightful 71.6°F to a low of a wintry 41°F.
Expect a warmer feel as the forecasted high matches September's 68.7°F, rather than October's average of 62.6°F.
Sunrise will be at 7:38 am and sunset at 6:19 pm; tomorrow's daylight will last for 10h and 41min.

Sunday Oct 25, 2026

  • 66°F
  • 45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0.2"
  • Wind: 9mphSSW 211°
  • Humidity: 47%
  • UV index: 2
  • Sunrise: 7:39 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
On Sunday, in O'Brien, intermittent cloud layers may allow brief light, but overall it stays overcast.
With a low probability, light precipitation is expected. The temperature is anticipated to vary between an enjoyable 66.2°F and a frosty 44.6°F.
On Sunday, the predicted maximum temperature should be consistent with October's typical high of 62.6°F.
Sunrise will be at 7:39 am and sunset at 6:18 pm; the daylight will last for 10h and 38min.

10-day overview

Daily temperatures

Warmest day: tomorrow 72°C.
Coldest day: Monday 54°C.

Chance of precipitation

Highest chance: Monday 64%.

Long-term weather forecast

  • Friday
  • Oct 23, 2026
  • 59°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 37°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:37 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphENE 74°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:38 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 66°F
  • 45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0.2"
  • Wind: 9mphSSW 211°
  • Humidity: 47%
  • UV index: 2
  • Sunrise: 7:39 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 39°F
Showers
Showers
  • Precip. probability: 64%
  • Precipitation: 0.24"
  • Wind: 8mphSSW 205°
  • Humidity: 83%
  • UV index: 2
  • Sunrise: 7:40 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 61°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphSSE 154°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 7:41 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Wednesday
  • Oct 28, 2026
  • 59°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 3mphS 177°
  • Humidity: 73%
  • UV index: 3
  • Sunrise: 7:43 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 59°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 4mphS 186°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:44 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Friday
  • Oct 30, 2026
  • 61°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 3mphS 174°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:45 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Saturday
  • Oct 31, 2026
  • 61°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 2mphSE 131°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:46 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 3mphSE 135°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 6:48 am PST
  • Sunset: 5:08 pm PST
  • ▼
Primarily overcast and occasionally bright and wet weather is forecasted.
Rain is expected on Sunday and Monday.
Temperature variation will be noticeable in the coming days. Highs will range from 53.6°F to 71.6°F, while the forecast minimum temperature falls between 33.8°F and 44.6°F.
Saturday is expected to be the warmest, reaching up to 71.6°F; with the highest temperature of 53.6°F, Monday will be the coldest day.
Updated: Oct 23, 2026 @ 18:06:07 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In O'Brien, a combination of predominantly cloudy and occasionally sunny and rainy weather is predicted for the next ten days.

Rain is predicted for Sunday and Monday in O'Brien. Monday, with light precipitation of 0.24", will be the day with the most rainfall.

The maximum temperature will vary between 53.6°F and 71.6°F, while the minimum temperature will range between 33.8°F and 44.6°F.

The warmest day will be tomorrow, with a maximum of 71.6°F. The coldest day will be Monday, with a maximum of 53.6°F.

On Saturday, in O'Brien, expect brilliant sunshine under mostly clear skies.

Tomorrow, the maximum temperature in O'Brien will be 71.6°F, while the minimum temperature will be 41°F.
The highest temperature tomorrow will be moderately higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also moderately lower than the average low temperature.

On Saturday, in O'Brien, sunrise will be at 7:38 am and sunset at 6:19 pm (PDT).

In O'Brien, tomorrow, there will be 10h and 41min of daylight.

On Sunday, in O'Brien, limited brightness is expected due to persistent clouds.

Light precipitation of 0.2" is predicted on Sunday. The possibility of rainfall is low at 12%.

On Sunday, the maximum temperature will be 66.2°F, while the minimum temperature will be 44.6°F.