Mapleton, OR Weather Forecast
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Mapleton Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Mostly Cloudy | Mostly Cloudy | Partly Sunny | Clearing | Sunny | Patchy Fog | Chance of Rain | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Rain | Rain |
| Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C |
| POP: 20% | POP: 50% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 AM PDT Mon Oct 19 2026 

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Issued: 521 AM PDT Mon Oct 19 2026
Discussion
...Now through Sunday...An upper level trough continues to move toward the PacNW, which has increased mid and upper level cloud cover across the region. This increased cloud cover has kept the surface insulated with temperatures ranging from the low 40s in the more sheltered valleys to mid to upper 40s elsewhere. Agreement among the ensembles remains very high in the trough elongating and pinching off into a closed upper low that drifts southward toward northern California through mid ...
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