O'Brien, OR Weather Forecast
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O'Brien Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Sunny | Clear | Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of Rain | Chance of Rain | Partly Cloudy | Mostly Clear |
| Hi: 80°FHi: 27°C | Hi: 80°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C | Lo: 43°FLo: 6°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 63°FHi: 17°C | Hi: 66°FHi: 19°C Lo: 43°FLo: 6°C | |
POP = Probability of Precipitation.
Weather Outlook Updated: 239 AM PDT Thu Oct 15 2026 

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Issued: 430 AM PDT Thu Oct 15 2026
Key Messages
- Very warm temperatures and dry conditions today and Friday.
- A dry cold front will move through Saturday with a cooling trend.
- Dry, mild weather expected Sunday.
- A stronger low and front approaches coast Sunday night and Monday, but rain chances are low for inland areas with higher chances along the coast and offshore.
Discussion
...Today and Friday, high pressure will remain in place with very warm temperatures and dry conditions. High temperatures are expected to be around 15 to 20 de...
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