Seneca, OR Weather Forecast
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| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Chance of Showers | Snow Showers | Snow Showers | Snow Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Snow Showers | Partly Cloudy | Partly Cloudy | Snow Showers | Snow Showers |
| Lo: 30°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 30°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 26°FLo: -3°C | Hi: 45°FHi: 7°C Lo: 26°FLo: -3°C | Hi: 45°FHi: 7°C Lo: 26°FLo: -3°C | Lo: 27°FLo: -3°C | Hi: 40°FHi: 4°C Lo: 27°FLo: -3°C | Hi: 40°FHi: 4°C Lo: 27°FLo: -3°C | Hi: 43°FHi: 6°C | Lo: 27°FLo: -3°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1133 PM PDT Sun Oct 25 2026 

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Issued: 1030 PM PDT Sun Oct 25 2026
Key Messages
1. Mountain showers and high elevation snow
2. New pattern will bring slightly below seasonal temperatures
3. Widespread chances of precipitation at the start of the week
Discussion
... Current satellite is showing clouds moving across the region. Radar shows a band of moisture is also moving across the Cascades with ground observations at or above 5400 feet seeing snowfall. Temperatures through the pass are marginal in the low to mid 30s, but expecting some accumulation along the Chinoo...
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