Tumwater, WA Weather & Growing Conditions
This Afternoon
75°F
Sunny
Sunny, with a high near 75. West southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 5 mph WSW | 0% |
| Tonight | 47°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Saturday | 75°F | Mostly Cloudy | 2 mph NW | 1% |
| Saturday Night | 48°F | Partly Cloudy | 2 mph NNW | 0% |
| Sunday | 76°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 47°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Monday | 74°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Monday Night | 49°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Tuesday | 71°F | Partly Sunny | 0 to 5 mph W | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Wednesday | 70°F | Partly Sunny | 0 to 3 mph NNW | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 3 mph N | 6% |
| Thursday | 71°F | Partly Sunny | 0 to 5 mph NNW | 11% |
| Thursday Night | 49°F | Slight Chance Light Rain | 1 to 5 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tumwater, WA
Last spring frost
Apr 29
First fall frost
Oct 14
Growing season
169 days
Hardiness zone
8a
Explore more for Tumwater, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Olympia Ap, Wa (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.