McMillin, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McMillin, a community in Pierce County, Washington.
This Afternoon
60°F
Partly Sunny
Partly sunny. High near 60, with temperatures falling to around 55 in the afternoon. Wind around 0 mph.
7-day forecast for McMillin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Partly Sunny | 0 mph | 4% |
| Tonight | 39°F | Patchy Fog | 1 mph SSE | 4% |
| Wednesday | 61°F | Patchy Fog then Slight Chance Light Rain | 1 mph SSW | 19% |
| Wednesday Night | 46°F | Light Rain | 1 to 7 mph S | 94% |
| Thursday | 60°F | Slight Chance Light Rain then Partly Sunny | 2 to 6 mph SSW | 23% |
| Thursday Night | 45°F | Light Rain | 3 mph S | 76% |
| Friday | 59°F | Light Rain | 2 to 6 mph S | 76% |
| Friday Night | 45°F | Chance Light Rain | 2 mph SSE | 42% |
| Saturday | 65°F | Mostly Cloudy then Chance Light Rain | 1 mph S | 26% |
| Saturday Night | 48°F | Rain | 1 to 12 mph SSW | 76% |
| Sunday | 59°F | Light Rain | 2 to 10 mph SSW | 76% |
| Sunday Night | 42°F | Slight Chance Light Rain | 2 mph SE | 22% |
| Monday | 60°F | Chance Light Rain | 2 mph SSE | 49% |
| Monday Night | 46°F | Light Rain Likely | 2 to 7 mph SSE | 67% |
Forecast source: National Weather Service (api.weather.gov) for McMillin (47.126, -122.235). Updated through the day.
Growing snapshot for McMillin
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
8b
More local growing data for McMillin: nearby ZIP 98374 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (0.6 mi from McMillin). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.