Napavine, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Napavine, a city in Lewis County, Washington.
Today
58°F
Partly Sunny
Partly sunny. High near 58, with temperatures falling to around 53 in the afternoon. North northwest wind around 1 mph.
7-day forecast for Napavine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Partly Sunny | 1 mph NNW | 4% |
| Tonight | 36°F | Partly Cloudy then Patchy Fog | 2 mph SE | 4% |
| Wednesday | 57°F | Patchy Fog then Chance Light Rain | 5 mph SSE | 51% |
| Wednesday Night | 45°F | Light Rain | 2 to 8 mph S | 100% |
| Thursday | 57°F | Slight Chance Light Rain then Partly Sunny | 5 mph S | 21% |
| Thursday Night | 44°F | Light Rain | 1 to 7 mph SSE | 77% |
| Friday | 56°F | Light Rain | 2 to 12 mph SSE | 77% |
| Friday Night | 45°F | Chance Light Rain | 2 mph SSE | 38% |
| Saturday | 62°F | Mostly Cloudy then Chance Light Rain | 5 mph SSE | 32% |
| Saturday Night | 48°F | Light Rain Likely | 5 to 15 mph S | 73% |
| Sunday | 57°F | Light Rain Likely | 0 to 10 mph SSW | 69% |
| Sunday Night | 41°F | Slight Chance Light Rain | 1 mph E | 24% |
| Monday | 56°F | Chance Light Rain | 1 to 5 mph SSE | 50% |
| Monday Night | 45°F | Light Rain Likely | 3 to 12 mph SSE | 67% |
Forecast source: National Weather Service (api.weather.gov) for Napavine (46.587, -122.902). Updated through the day.
Growing snapshot for Napavine
Last spring frost
Apr 5
First fall frost
Oct 25
Growing season
196 days
Hardiness zone
8a
More local growing data for Napavine: nearby ZIP 98565 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Ashford
Centralia
Chehalis
Fords Prairie
Grand Mound
Morton
Mossyrock
Onalaska
Packwood
Pe Ell
Toledo
Vader
Winlock
Climate data from the nearest NOAA station, Toledo Faa Ap, Wa (7.8 mi from Napavine). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.