Napavine, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Napavine, a city in Lewis County, Washington.
Overnight
36°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 36. South southeast wind around 2 mph.
7-day forecast for Napavine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 36°F | Patchy Fog | 2 mph SSE | 0% |
| Wednesday | 57°F | Patchy Fog then Light Rain Likely | 2 to 8 mph SSE | 73% |
| Wednesday Night | 43°F | Light Rain | 6 to 12 mph S | 90% |
| Thursday | 57°F | Partly Sunny | 3 to 8 mph S | 13% |
| Thursday Night | 41°F | Mostly Cloudy then Light Rain Likely | 2 to 9 mph SSE | 71% |
| Friday | 55°F | Light Rain | 5 to 16 mph SSE | 77% |
| Friday Night | 45°F | Light Rain Likely | 5 mph SSE | 65% |
| Saturday | 63°F | Mostly Cloudy then Chance Light Rain | 5 mph SSE | 31% |
| Saturday Night | 48°F | Light Rain | 5 to 15 mph S | 81% |
| Sunday | 56°F | Chance Light Rain | 0 to 9 mph SSW | 54% |
| Sunday Night | 39°F | Slight Chance Light Rain | 1 mph E | 15% |
| Monday | 57°F | Chance Light Rain | 3 mph SE | 39% |
| Monday Night | 44°F | Chance Light Rain | 2 to 10 mph SSE | 52% |
| Tuesday | 58°F | Chance Light Rain | 3 to 14 mph SSE | 52% |
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 4, 2026.