Westport, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westport, a city in Grays Harbor County, Washington.
Today
70°F
Sunny
Sunny, with a high near 70. North wind 6 to 16 mph, with gusts as high as 21 mph.
7-day forecast for Westport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 6 to 16 mph N | 0% |
| Tonight | 59°F | Partly Cloudy | 6 to 16 mph NNW | 0% |
| Wednesday | 71°F | Mostly Sunny | 6 to 14 mph NNW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 5 to 14 mph NW | 0% |
| Thursday | 68°F | Mostly Sunny | 5 to 13 mph NW | 0% |
| Thursday Night | 58°F | Mostly Cloudy | 8 to 13 mph NW | 0% |
| Friday | 68°F | Mostly Sunny | 8 to 18 mph NW | 0% |
| Friday Night | 58°F | Partly Cloudy | 21 mph NW | 0% |
| Saturday | 63°F | Mostly Sunny | 16 to 21 mph NW | 0% |
| Saturday Night | 57°F | Mostly Cloudy | 17 to 22 mph NW | 1% |
| Sunday | 62°F | Partly Sunny | 14 to 20 mph NW | 1% |
| Sunday Night | 57°F | Mostly Cloudy | 14 to 20 mph NW | 0% |
| Monday | 62°F | Partly Sunny | 12 to 17 mph NW | 0% |
| Monday Night | 57°F | Mostly Cloudy | 12 to 17 mph NW | 1% |
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 Aug 4, 2026.