Federal Way, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Federal Way, a city in King County, Washington.
Today
73°F
Partly Sunny
Partly sunny. High near 73, with temperatures falling to around 71 in the afternoon. West wind around 3 mph.
7-day forecast for Federal Way
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Partly Sunny | 3 mph W | 0% |
| Tonight | 52°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 74°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Sunday Night | 51°F | Mostly Clear | 1 to 5 mph N | 0% |
| Monday | 72°F | Mostly Sunny | 3 mph NW | 0% |
| Monday Night | 52°F | Partly Cloudy | 3 mph NNE | 1% |
| Tuesday | 70°F | Partly Sunny | 3 mph NNE | 1% |
| Tuesday Night | 51°F | Mostly Cloudy | 2 mph WSW | 4% |
| Wednesday | 69°F | Partly Sunny | 3 mph WSW | 14% |
| Wednesday Night | 51°F | Mostly Cloudy | 3 mph N | 14% |
| Thursday | 66°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 6 mph NNE | 19% |
| Thursday Night | 50°F | Slight Chance Light Rain | 2 to 6 mph NNE | 19% |
| Friday | 65°F | Partly Sunny | 2 to 6 mph NNW | 14% |
| Friday Night | 48°F | Partly Cloudy | 2 to 6 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Federal Way (47.312, -122.338). Updated through the day.
Growing snapshot for Federal Way
Last spring frost
Mar 8
First fall frost
Nov 14
Growing season
250 days
Hardiness zone
8b
More local growing data for Federal Way: nearby ZIP 98003 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Tacoma #1, Wa (6.1 mi from Federal Way). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.