Algona, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Algona, a city in King County, Washington.
This Afternoon
59°F
Mostly Cloudy
Mostly cloudy. High near 59, with temperatures falling to around 54 in the afternoon. Northwest wind around 1 mph.
7-day forecast for Algona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Mostly Cloudy | 1 mph NW | 3% |
| Tonight | 40°F | Partly Cloudy then Patchy Fog | 1 mph S | 3% |
| Wednesday | 59°F | Patchy Fog then Slight Chance Light Rain | 2 mph S | 19% |
| Wednesday Night | 47°F | Light Rain | 2 to 8 mph S | 93% |
| Thursday | 59°F | Slight Chance Light Rain then Partly Sunny | 3 to 7 mph SSW | 22% |
| Thursday Night | 46°F | Light Rain | 3 mph S | 76% |
| Friday | 58°F | Light Rain | 6 mph S | 76% |
| Friday Night | 46°F | Chance Light Rain | 3 mph SSE | 47% |
| Saturday | 64°F | Chance Light Rain | 2 mph S | 27% |
| Saturday Night | 49°F | Light Rain | 2 to 13 mph S | 75% |
| Sunday | 59°F | Light Rain | 3 to 12 mph SSW | 75% |
| Sunday Night | 43°F | Slight Chance Light Rain | 3 mph SE | 23% |
| Monday | 59°F | Chance Light Rain | 3 mph SSE | 51% |
| Monday Night | 47°F | Light Rain Likely | 6 mph SSE | 69% |
Forecast source: National Weather Service (api.weather.gov) for Algona (47.282, -122.250). Updated through the day.
Growing snapshot for Algona
Last spring frost
Mar 8
First fall frost
Nov 14
Growing season
250 days
Hardiness zone
8b
More local growing data for Algona: nearby ZIP 98047 weather · frost dates · planting calendar · Washington frost dates
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East Renton Highlands
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High Bridge
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Climate data from the nearest NOAA station, Tacoma #1, Wa (7.8 mi from Algona). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.