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City of Joseph, OregonJoseph, OR Weather Forecast
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Joseph Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY |
 |  |  |  | |  |  |  | | | | |
| Clear | Mostly Cloudy | Mostly Cloudy | Sunny | Mostly Clear | Chance of Showers | Chance of T-Storm | Chance of Showers | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Lo: 45°FLo: 7°C | Lo: 46°FLo: 8°C | |||||||
| POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 PM PDT Mon Sep 14 2026 
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Issued: 312 AM PDT Tue Sep 15 2026
Key Messages
- Temperatures will slowly warm to above normal by the end of the week.
- Slight chance to chance (10-30%) of thunderstorms over the Blue Mountains region Thursday and Friday.
Discussion
... Water vapor imagery shows a shortwave trough moving southeast along the BC coast. This system will facilitate our next chances of rain, with a slight chance (15-25%) of showers arriving to the Washington Cascades later this morning. The shortwave will then develop into a closed low over the Pacific Nor...