Waterville, WA Weather & Growing Conditions
Overnight
50°F
Mostly Clear
Mostly clear. Low around 50, with temperatures rising to around 52 overnight. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 3 mph N | 0% |
| Saturday | 75°F | Mostly Sunny | 2 to 8 mph E | 0% |
| Saturday Night | 51°F | Mostly Clear | 2 to 7 mph W | 0% |
| Sunday | 76°F | Sunny | 2 to 6 mph SE | 0% |
| Sunday Night | 51°F | Mostly Clear | 2 to 6 mph SW | 0% |
| Monday | 78°F | Sunny | 2 to 6 mph W | 0% |
| Monday Night | 50°F | Partly Cloudy | 8 mph W | 0% |
| Tuesday | 74°F | Mostly Sunny | 3 to 7 mph W | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 6 to 9 mph W | 0% |
| Wednesday | 67°F | Mostly Sunny | 5 to 9 mph W | 1% |
| Wednesday Night | 46°F | Mostly Cloudy | 9 mph W | 1% |
| Thursday | 64°F | Partly Sunny | 3 to 7 mph NW | 6% |
| Thursday Night | 46°F | Mostly Cloudy | 7 mph W | 10% |
| Friday | 61°F | Mostly Sunny | 9 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Waterville, WA
Last spring frost
May 14
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
6b
Explore more for Waterville, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Waterville, Wa (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.