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Sumach, WA Weather Forecast
Sumach, WA Weather Forecast Date: 1132 PM PDT Fri Sep 04 2026
The area/counties/county of: Yakima Valley, including the cities of: Naches, Sunnyside, Toppenish, and Yakima.or toggle through each period.
Rest of Tonight... Partly cloudy. Lows in the mid 40s to lower 50s. Light wind.
Saturday... Mostly cloudy. A chance of rain showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s to lower 70s. Light wind, becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation 50%.
Saturday Night... Partly cloudy. A 20% chance of rain showers in the evening. Lows in the mid 40s to lower 50s. Light wind.
Sunday... Mostly cloudy with a 40% chance of rain showers. Highs in the lower 70s. Light wind.
Sunday Night... Mostly cloudy with a 20% chance of rain showers. Lows in the upper 40s to lower 50s. Light wind.
Labor Day... Partly cloudy. Highs in the mid 70s to lower 80s. Lows in the upper 40s to mid 50s.
Tuesday... Partly cloudy. Highs in the mid 70s to lower 80s. Lows in the upper 40s to mid 50s.
Wednesday... Mostly clear. Highs in the 80s. Lows in the 50s.
Thursday... Mostly clear. Highs in the 80s. Lows in the 50s.
POP = Probability of Precipitation
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