Westport, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westport, a city in Grays Harbor County, Washington.
Tonight
55°F
Cloudy
Cloudy, with a low around 55. West wind around 2 mph.
7-day forecast for Westport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Cloudy | 2 mph W | 0% |
| Saturday | 63°F | Mostly Cloudy | 2 to 12 mph NW | 1% |
| Saturday Night | 54°F | Mostly Cloudy | 12 mph NNW | 0% |
| Sunday | 64°F | Mostly Sunny | 9 to 17 mph NNW | 0% |
| Sunday Night | 56°F | Partly Cloudy | 9 to 17 mph NW | 0% |
| Monday | 65°F | Partly Sunny | 8 to 18 mph NW | 0% |
| Monday Night | 56°F | Partly Cloudy | 12 to 18 mph NNW | 0% |
| Tuesday | 62°F | Partly Sunny | 10 to 14 mph NNW | 1% |
| Tuesday Night | 55°F | Mostly Cloudy | 5 to 14 mph NNW | 5% |
| Wednesday | 62°F | Partly Sunny | 5 to 12 mph NNW | 5% |
| Wednesday Night | 55°F | Mostly Cloudy then Slight Chance Light Rain | 8 to 12 mph N | 15% |
| Thursday | 63°F | Chance Light Rain | 8 to 14 mph NNE | 25% |
| Thursday Night | 56°F | Chance Light Rain | 14 mph WNW | 29% |
| Friday | 62°F | Chance Light Rain | 12 to 15 mph W | 28% |
Forecast source: National Weather Service (api.weather.gov) for Westport (46.892, -124.120). Updated through the day.
Growing snapshot for Westport
Last spring frost
Mar 29
First fall frost
Nov 7
Growing season
224 days
Hardiness zone
9a
More local growing data for Westport: 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 Westport). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.