Riverbend, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Riverbend, a community in King County, Washington.
Today
90°F
Smoke
Smoke. Sunny, with a high near 90. Northwest wind 0 to 6 mph.
7-day forecast for Riverbend
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Smoke | 0 to 6 mph NW | 0% |
| Tonight | 60°F | Smoke | 3 mph ENE | 0% |
| Wednesday | 95°F | Areas Of Smoke | 0 to 3 mph NNW | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Thursday | 94°F | Sunny | 0 to 3 mph N | 0% |
| Thursday Night | 61°F | Mostly Clear | 0 to 3 mph WNW | 0% |
| Friday | 89°F | Sunny | 0 to 5 mph NW | 0% |
| Friday Night | 59°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Saturday | 85°F | Sunny | 0 to 6 mph NW | 0% |
| Saturday Night | 56°F | Mostly Clear | 0 to 5 mph NNW | 2% |
| Sunday | 79°F | Mostly Sunny | 0 to 5 mph NW | 2% |
| Sunday Night | 55°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Monday | 79°F | Mostly Sunny | 0 to 5 mph NNW | 3% |
| Monday Night | 55°F | Partly Cloudy | 0 to 5 mph NW | 1% |
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 Aug 4, 2026.