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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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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.