Harman US

Covington, WA Weather & Growing Conditions

Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. Southeast wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 50°F Mostly Cloudy 1 mph SE 0%
Saturday 73°F Partly Sunny 1 mph WNW 0%
Saturday Night 50°F Mostly Clear 1 mph N 0%
Sunday 74°F Mostly Sunny 2 mph NNW 0%
Sunday Night 51°F Mostly Clear 2 mph NNE 0%
Monday 71°F Mostly Sunny 2 mph W 0%
Monday Night 50°F Partly Cloudy 2 mph NE 1%
Tuesday 68°F Partly Sunny 2 mph NNW 1%
Tuesday Night 49°F Mostly Cloudy 1 mph NNE 5%
Wednesday 67°F Partly Sunny then Slight Chance Light Rain 2 mph WSW 15%
Wednesday Night 49°F Slight Chance Light Rain then Mostly Cloudy 1 mph NE 15%
Thursday 64°F Mostly Cloudy then Slight Chance Light Rain 3 mph NNE 20%
Thursday Night 48°F Slight Chance Light Rain 3 mph NE 20%
Friday 63°F Slight Chance Light Rain then Partly Sunny 3 mph NW 15%

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

Growing snapshot for Covington, WA

Last spring frost
Mar 20
First fall frost
Nov 10
Growing season
233 days
Hardiness zone
8b

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

Climate data from the nearest NOAA station, Kent, Wa (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.