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ZIP 98850 · Rock Island, Washington

Current conditions and the National Weather Service 7-day forecast for ZIP code 98850, Rock Island, Washington — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 48°F. Sunday Aug 30: a high near 71°F and a low around 54°F. Highs over the period run 64°F to 78°F.

National Weather Service forecast for ZIP 98850, Rock Island, Washington
DayHighLowPrecip
Saturday Aug 2948°
Sunday Aug 3071°54°
Monday Aug 3176°59°
Tuesday Sep 178°57°
Wednesday Sep 266°54°
Thursday Sep 364°50°
Friday Sep 466°53°
Saturday Sep 569°

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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