Weather forecast for tomorrowO'Brien, OR
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 72°F
- 43°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphSSE 151°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:31 am PDT
- Sunset: 6:28 pm PDT
- details ▼
Tomorrow, partly cloudy skies will persist, making for a mix of sun and clouds.
Significant variations in temperature are forecasted, peaking at a delightful 71.6°F and dropping to a low of a chilly 42.8°F.
The expected high of 71.6°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:31 am and sunset at 6:28 pm; tomorrow's daylight will last for 10h and 58min.
Significant variations in temperature are forecasted, peaking at a delightful 71.6°F and dropping to a low of a chilly 42.8°F.
The expected high of 71.6°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:31 am and sunset at 6:28 pm; tomorrow's daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 70°C.
Coldest hour: 6 am 48°C.
Coldest hour: 6 am 48°C.
Chance of precipitation
Highest chance: 6 am 21%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 44°
- Humidity: 82%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 3mphNE 49°
- Humidity: 87%
- Pressure: 30.09"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 4 am
- 48°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 3mphNE 51°
- Humidity: 90%
- Pressure: 30.09"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 6 am
- 48°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 2mphNE 53°
- Humidity: 94%
- Pressure: 30.06"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 46°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 2mphENE 65°
- Humidity: 97%
- Pressure: 30.06"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:54°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 3mphENE 62°
- Humidity: 82%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphENE 78°
- Humidity: 62%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSW 225°
- Humidity: 46%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 235°
- Humidity: 44%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSW 229°
- Humidity: 54%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:28 pm
- 8 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSW 213°
- Humidity: 74%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphSSW 202°
- Humidity: 84%
- Pressure: 29.97"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of dull and sunny weather is expected.
The temperature will vary between a minimum of 46.4°F and a maximum of 69.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature tomorrow will be more comparable to September's average high of 68.7°F than October's typical of 62.6°F. Tomorrow, the temperature is expected to be slightly cooler than October's normal minimum of 48.2°F.
The temperature will vary between a minimum of 46.4°F and a maximum of 69.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature tomorrow will be more comparable to September's average high of 68.7°F than October's typical of 62.6°F. Tomorrow, the temperature is expected to be slightly cooler than October's normal minimum of 48.2°F.
Updated: Oct 18, 2026 @ 01:52:30 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
Tomorrow, in O'Brien, the sky will feature a blend of clouds and sunshine.
Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 42.8°F.
The maximum temperature tomorrow will be relatively higher than the average highest temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees lower than the average low temperature.
The maximum temperature tomorrow will be relatively higher than the average highest 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).
Tomorrow, the daylight will last for 10h and 58min.
