Frederickson, WA Weather & Growing Conditions
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. South southwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 1 mph SSW | 0% |
| Saturday | 74°F | Partly Sunny | 2 mph NW | 0% |
| Saturday Night | 50°F | Partly Cloudy | 1 mph N | 0% |
| Sunday | 75°F | Mostly Sunny | 0 to 3 mph NNW | 0% |
| Sunday Night | 49°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 72°F | Mostly Sunny | 0 to 3 mph WNW | 0% |
| Monday Night | 51°F | Partly Cloudy | 0 to 3 mph NNE | 1% |
| Tuesday | 70°F | Partly Sunny | 2 mph WNW | 2% |
| Tuesday Night | 49°F | Partly Cloudy | 2 mph SW | 1% |
| Wednesday | 69°F | Mostly Sunny | 3 mph WNW | 4% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 3 mph ENE | 5% |
| Thursday | 71°F | Partly Sunny then Slight Chance Light Rain | 0 to 3 mph NNW | 15% |
| Thursday Night | 51°F | Slight Chance Light Rain | 3 mph WSW | 24% |
| Friday | 67°F | Slight Chance Light Rain | 1 to 6 mph SW | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Frederickson, WA
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
8b
Explore more for Frederickson, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.