Harman US

Cohassett Beach, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cohassett Beach, a community in Grays Harbor County, Washington.

Today
64°F
Partly Sunny
Partly sunny. High near 64, with temperatures falling to around 62 in the afternoon. Northwest wind 2 to 9 mph.

7-day forecast for Cohassett Beach

WhenTempForecastWindPrecip
Today 64°F Partly Sunny 2 to 9 mph NW 0%
Tonight 54°F Partly Cloudy 9 mph NNW 0%
Sunday 65°F Partly Sunny 8 to 16 mph NNW 0%
Sunday Night 55°F Partly Cloudy 9 to 16 mph NNW 0%
Monday 66°F Partly Sunny 7 to 16 mph NW 0%
Monday Night 56°F Mostly Cloudy 10 to 16 mph NNW 0%
Tuesday 64°F Partly Sunny 9 to 13 mph NNW 1%
Tuesday Night 55°F Mostly Cloudy 3 to 13 mph NW 8%
Wednesday 62°F Slight Chance Light Rain 3 to 10 mph NW 18%
Wednesday Night 54°F Mostly Cloudy 7 to 10 mph NNW 8%
Thursday 61°F Mostly Cloudy then Slight Chance Light Rain 7 to 16 mph N 20%
Thursday Night 53°F Slight Chance Light Rain 8 to 16 mph NNW 20%
Friday 61°F Mostly Sunny 7 to 14 mph NNW 8%
Friday Night 52°F Partly Cloudy 7 to 14 mph NNW 7%

Forecast source: National Weather Service (api.weather.gov) for Cohassett Beach (46.865, -124.106). Updated through the day.

Growing snapshot for Cohassett Beach

Last spring frost
Mar 29
First fall frost
Nov 7
Growing season
224 days
Hardiness zone
9a

More local growing data for Cohassett Beach: nearby ZIP 98595 weather · frost dates · planting calendar · Washington frost dates

Nearby towns & communities

All Washington locations ›

Climate data from the nearest NOAA station, Grayland, Wa (6.7 mi from Cohassett Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.