Westport, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westport, a community in Columbia County, Oregon.
Overnight
56°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 56. Southwest wind around 3 mph.
7-day forecast for Westport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Areas Of Smoke | 3 mph SW | 0% |
| Tuesday | 89°F | Areas Of Smoke | 3 to 7 mph NE | 0% |
| Tuesday Night | 59°F | Areas Of Smoke | 1 to 6 mph W | 0% |
| Wednesday | 92°F | Areas Of Smoke | 1 to 9 mph NW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 2 to 9 mph WNW | 0% |
| Thursday | 86°F | Sunny | 1 to 9 mph WNW | 0% |
| Thursday Night | 56°F | Mostly Clear | 5 to 9 mph WNW | 0% |
| Friday | 80°F | Sunny | 3 to 12 mph WNW | 0% |
| Friday Night | 56°F | Mostly Clear | 7 to 12 mph WNW | 0% |
| Saturday | 75°F | Sunny | 7 to 15 mph WNW | 1% |
| Saturday Night | 55°F | Partly Cloudy | 9 to 15 mph WNW | 1% |
| Sunday | 71°F | Mostly Sunny | 8 to 14 mph WNW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 7 to 14 mph WNW | 0% |
| Monday | 71°F | Mostly Sunny | 6 to 13 mph WNW | 0% |
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 Aug 4, 2026.