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ZIP 98840 · Okanogan, Washington

Current conditions and the National Weather Service 7-day forecast for ZIP code 98840, Okanogan, Washington — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 47°F. Sunday Aug 30: a high near 70°F and a low around 51°F. The wettest day looks like Saturday Aug 29, near 0.03 in. Highs over the period run 65°F to 79°F.

National Weather Service forecast for ZIP 98840, Okanogan, Washington
DayHighLowPrecip
Saturday Aug 2947°0.03 in
Sunday Aug 3070°51°
Monday Aug 3176°55°
Tuesday Sep 179°55°
Wednesday Sep 267°52°
Thursday Sep 365°48°
Friday Sep 468°49°
Saturday Sep 571°

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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