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ZIP 99346 · Umatilla, Washington

Current conditions and the National Weather Service 7-day forecast for ZIP code 99346, Umatilla, Washington — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 48°F. Sunday Aug 30: a high near 75°F and a low around 51°F. Highs over the period run 70°F to 84°F.

National Weather Service forecast for ZIP 99346, Umatilla, Washington
DayHighLowPrecip
Saturday Aug 2948°
Sunday Aug 3075°51°
Monday Aug 3184°57°
Tuesday Sep 182°55°
Wednesday Sep 272°52°
Thursday Sep 370°48°
Friday Sep 471°50°
Saturday Sep 574°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/Los Angeles. The live page updates continuously.

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