Harman US

Bonney Lake, WA Weather & Growing Conditions

Today
72°F
Partly Sunny
Partly sunny, with a high near 72. North northwest wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 72°F Partly Sunny 2 mph NNW 0%
Tonight 51°F Mostly Clear 1 mph N 0%
Sunday 73°F Mostly Sunny 2 mph NNW 0%
Sunday Night 50°F Mostly Clear 2 mph N 0%
Monday 71°F Mostly Sunny 2 mph NW 0%
Monday Night 50°F Partly Cloudy 1 mph NNE 0%
Tuesday 68°F Partly Sunny 2 mph NNW 1%
Tuesday Night 49°F Partly Cloudy 1 mph SSW 1%
Wednesday 67°F Partly Sunny 2 mph W 13%
Wednesday Night 49°F Mostly Cloudy 1 mph NW 13%
Thursday 64°F Mostly Cloudy then Slight Chance Light Rain 2 mph N 19%
Thursday Night 48°F Slight Chance Light Rain 2 mph N 19%
Friday 63°F Slight Chance Light Rain then Partly Sunny 2 mph NNW 15%
Friday Night 46°F Partly Cloudy 2 mph NE 13%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Bonney Lake, WA

Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
8b

Explore more for Bonney Lake, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.