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Riverbend, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Riverbend, a community in King County, Washington.

Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Wind around 0 mph.

7-day forecast for Riverbend

WhenTempForecastWindPrecip
Overnight 51°F Mostly Cloudy 0 mph 0%
Saturday 76°F Mostly Sunny 2 mph N 0%
Saturday Night 54°F Mostly Clear 1 mph NE 0%
Sunday 78°F Sunny 2 mph S 0%
Sunday Night 53°F Mostly Clear 1 mph N 0%
Monday 73°F Mostly Sunny 2 mph WNW 0%
Monday Night 51°F Partly Cloudy 2 mph NNW 0%
Tuesday 69°F Partly Sunny 2 mph WNW 0%
Tuesday Night 48°F Mostly Cloudy 1 mph WNW 9%
Wednesday 68°F Partly Sunny 1 mph W 14%
Wednesday Night 49°F Mostly Cloudy 1 mph NW 14%
Thursday 66°F Mostly Cloudy then Slight Chance Light Rain 1 mph NNW 20%
Thursday Night 48°F Slight Chance Light Rain 1 mph NNW 20%
Friday 64°F Slight Chance Light Rain 2 mph NW 20%

Forecast source: National Weather Service (api.weather.gov) for Riverbend (47.464, -121.751). Updated through the day.

Growing snapshot for Riverbend

Last spring frost
Apr 23
First fall frost
Nov 1
Growing season
193 days
Hardiness zone
8a

More local growing data for Riverbend: nearby ZIP 98045 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Cedar Lake, Wa (5.5 mi from Riverbend). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.