Westport, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westport, a community in Columbia County, Oregon.
Tonight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. West northwest wind around 3 mph.
7-day forecast for Westport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Cloudy | 3 mph WNW | 0% |
| Saturday | 71°F | Mostly Cloudy | 1 to 6 mph NW | 0% |
| Saturday Night | 52°F | Partly Cloudy | 2 to 6 mph WNW | 1% |
| Sunday | 72°F | Mostly Sunny | 2 to 8 mph NW | 0% |
| Sunday Night | 53°F | Partly Cloudy | 5 to 8 mph WNW | 0% |
| Monday | 70°F | Mostly Sunny | 3 to 10 mph WNW | 0% |
| Monday Night | 52°F | Partly Cloudy | 5 to 10 mph WNW | 0% |
| Tuesday | 66°F | Partly Sunny | 3 to 10 mph WNW | 1% |
| Tuesday Night | 51°F | Partly Cloudy | 1 to 10 mph WNW | 1% |
| Wednesday | 67°F | Partly Sunny | 1 to 5 mph NNW | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NNW | 5% |
| Thursday | 69°F | Mostly Sunny | 5 mph ESE | 13% |
| Thursday Night | 52°F | Chance Light Rain | 5 mph W | 25% |
| Friday | 64°F | Slight Chance Light Rain | 5 to 8 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov) for Westport (46.130, -123.371). Updated through the day.
Growing snapshot for Westport
Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
8b
More local growing data for Westport: nearby ZIP 97016 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Clatskanie, Or (4.7 mi from Westport). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.