Riverbend, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Riverbend, a community in King County, Washington.
Today
62°F
Mostly Sunny then Slight Chance Light Rain
A slight chance of rain after 5pm. Mostly sunny. High near 62, with temperatures falling to around 56 in the afternoon. East northeast wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Riverbend
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Mostly Sunny then Slight Chance Light Rain | 2 mph ENE | 19% |
| Tonight | 45°F | Light Rain | 1 to 5 mph SE | 98% |
| Thursday | 57°F | Chance Light Rain then Mostly Cloudy | 1 to 5 mph WSW | 39% |
| Thursday Night | 42°F | Mostly Cloudy then Light Rain Likely | 1 to 5 mph E | 61% |
| Friday | 57°F | Light Rain | 1 to 6 mph ESE | 75% |
| Friday Night | 46°F | Light Rain | 2 mph ESE | 75% |
| Saturday | 65°F | Chance Light Rain | 2 to 7 mph ESE | 29% |
| Saturday Night | 46°F | Rain | 2 to 8 mph SSE | 78% |
| Sunday | 55°F | Light Rain | 0 to 5 mph SW | 78% |
| Sunday Night | 41°F | Slight Chance Light Rain | 2 mph E | 24% |
| Monday | 59°F | Chance Light Rain | 0 to 3 mph E | 39% |
| Monday Night | 44°F | Chance Light Rain | 0 to 5 mph E | 53% |
| Tuesday | 59°F | Light Rain Likely | 2 to 6 mph SE | 55% |
| Tuesday Night | 45°F | Chance Light Rain | 3 to 8 mph SE | 52% |
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 Nov 4, 2026.