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City of Gresham, OregonGresham, OR Weather Forecast
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Gresham Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
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| Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Cloudy | Patchy Fog | Patchy Fog | Partly Cloudy | Mostly Cloudy | Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Sunny |
| Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C |
| POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 PM PDT Thu Oct 29 2026 
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Issued: 248 PM PDT Thu Oct 29 2026
Discussion
...through Wednesday...Scattered showers continue across NW OR and SW WA Thursday afternoon. Some stronger showers could produce heavy rain and small hail, and with SPC mesoanalysis indicating CAPE values are around 100-250 J/kg this afternoon, can`t rule out a lightning strike or two along the far NW OR and SW WA coast through the early evening hours. Scattered showers continue tonight into Friday as the center of the upper level low pressure system causing the showers slowly deepens ...