South Bend, WA Weather Forecast
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South Bend Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Partly Sunny | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Chance of Showers | Chance of Showers | Chance of Rain | Mostly Cloudy | Partly Cloudy | Partly Sunny | Partly Cloudy |
| Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C |
| POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1128 AM PDT Wed Aug 19 2026 

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South Bend Forecast Discussion
Issued: 1039 AM PDT Wed Aug 19 2026
Discussion
...Today through Tuesday...Dry and warm weather continues today and tomorrow as an upper-level ridge amplifies over the Rockies and Great Basin. Expect high temperatures near or slightly above average for this time of year, with mid 80s this afternoon across inland valleys and 60s along the coast. Highs for inland valleys increase slightly into the upper 80s as the upper ridge reaches its peak strength. Onshore flow continues as broad upper-level troughing...
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