Weather forecast for 10 daysO'Brien, OR
Weather forecast for the weekend
Saturday Oct 17, 2026
- min.
- 46°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 7mphNE 38°
- Humidity: 72%
- UV index: 0
- Sunrise: 7:30 am PDT
- Sunset: 6:30 pm PDT
- details ▼
In O'Brien, for the rest of Saturday, thin clouds will pass through at times, but overall, it will remain bright.
The lowest forecasted temperature is a chilly 46.4°F.
Sunrise was at 7:30 am and sunset will be at 6:30 pm; the daylight will last for 11h and 0min.
The lowest forecasted temperature is a chilly 46.4°F.
Sunrise was at 7:30 am and sunset will be at 6:30 pm; the daylight will last for 11h and 0min.
Sunday Oct 18, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphSSE 158°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:31 am PDT
- Sunset: 6:28 pm PDT
- details ▼
On Sunday, October 18, blue skies and warm sunshine will define the conditions.
Daytime will experience a high of a pleasant 71.6°F, significantly differing from the forecasted night low of a chilly 42.8°F.
Temperatures are higher than average, more in line with September's norm of 68.7°F than with October's 62.6°F.
Sunrise will be at 7:31 am and sunset at 6:28 pm; tomorrow's daylight will last for 10h and 58min.
Daytime will experience a high of a pleasant 71.6°F, significantly differing from the forecasted night low of a chilly 42.8°F.
Temperatures are higher than average, more in line with September's norm of 68.7°F than with October's 62.6°F.
Sunrise will be at 7:31 am and sunset at 6:28 pm; tomorrow's daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Warmest day: today 77°C.
Coldest period: Saturday - Monday 59°C.
Coldest period: Saturday - Monday 59°C.
Chance of precipitation
Highest chance: Saturday 24.10. 38%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 46°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 7mphNE 38°
- Humidity: 72%
- UV index: 0
- Sunrise: 7:30 am PDT
- Sunset: 6:30 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphSSE 158°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:31 am PDT
- Sunset: 6:28 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSW 208°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:32 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 45°F
AM Clouds / PM Sun
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 48°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:33 am PDT
- Sunset: 6:25 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 45°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphS 179°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:34 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphSSW 208°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:35 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 37°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 6mphNE 40°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:37 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 37°F
PM Showers
- Precip. probability: 38%
- Precipitation: 0.2"
- Wind: 6mphS 171°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:38 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 59°F
- 37°F
AM Showers
- Precip. probability: 34%
- Precipitation: 0.04"
- Wind: 5mphS 179°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:39 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 37°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 5mphS 178°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:40 am PDT
- Sunset: 6:16 pm PDT
- details ▼
For the next ten days, a combination of gloomy, sun-filled and damp weather is expected.
Rainfall is forecasted for next Saturday and Sunday.
Expect a substantial fluctuation in daytime highs over the next several days. Highs will range from 59°F to 73.4°F, while the lowest temperature will be between 37.4°F and 46.4°F.
Expect the warmest day on Wednesday, with temperatures peaking at 73.4°F; next Saturday through next Monday, with the highest temperature of 59°F, will be the coldest days.
Rainfall is forecasted for next Saturday and Sunday.
Expect a substantial fluctuation in daytime highs over the next several days. Highs will range from 59°F to 73.4°F, while the lowest temperature will be between 37.4°F and 46.4°F.
Expect the warmest day on Wednesday, with temperatures peaking at 73.4°F; next Saturday through next Monday, with the highest temperature of 59°F, will be the coldest days.
Updated: Oct 17, 2026 @ 22:54:05 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunshine will prevail for most of the day.
Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 42.8°F.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees lower than the average low temperature.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees lower than the average low temperature.
On Sunday, in O'Brien, sunrise will be at 7:31 am and sunset at 6:28 pm (PDT).
In O'Brien, the length of the day tomorrow will be 10h and 58min.





