Harman US

Waterville, WA Weather & Growing Conditions

Overnight
30°F
Mostly Clear
Mostly clear, with a low around 30. Northwest wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 30°F Mostly Clear 3 mph NW 1%
Wednesday 49°F Sunny 1 to 8 mph SW 9%
Wednesday Night 34°F Chance Rain Showers 6 mph SW 37%
Thursday 52°F Sunny 3 to 7 mph W 5%
Thursday Night 34°F Partly Cloudy 2 to 6 mph W 14%
Friday 48°F Mostly Cloudy 2 to 6 mph SE 14%
Friday Night 32°F Mostly Cloudy 6 mph NE 11%
Saturday 51°F Partly Sunny 6 mph NE 4%
Saturday Night 34°F Mostly Cloudy 3 to 7 mph W 8%
Sunday 53°F Partly Sunny 7 to 14 mph SW 8%
Sunday Night 32°F Mostly Cloudy 5 to 8 mph W 1%
Monday 49°F Partly Sunny then Slight Chance Rain Showers 5 mph N 15%
Monday Night 32°F Chance Rain Showers 3 mph N 25%
Tuesday 50°F Chance Rain Showers 5 mph SE 25%

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 Nov 4, 2026.