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Westport, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Westport, a community in Columbia County, Oregon.

Overnight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. Wind around 0 mph.

7-day forecast for Westport

WhenTempForecastWindPrecip
Overnight 52°F Mostly Cloudy 0 mph 0%
Saturday 71°F Partly Sunny 0 to 7 mph NNW 0%
Saturday Night 52°F Mostly Clear 2 to 6 mph NW 1%
Sunday 72°F Mostly Sunny 2 to 8 mph NW 0%
Sunday Night 52°F Partly Cloudy 5 to 8 mph WNW 0%
Monday 70°F Partly Sunny 3 to 10 mph WNW 0%
Monday Night 53°F Partly Cloudy 5 to 10 mph WNW 0%
Tuesday 67°F Partly Sunny 3 to 10 mph WNW 0%
Tuesday Night 51°F Partly Cloudy 1 to 10 mph WNW 1%
Wednesday 66°F Partly Sunny 1 to 7 mph WNW 2%
Wednesday Night 51°F Mostly Cloudy 1 to 7 mph WNW 1%
Thursday 65°F Partly Sunny 2 to 7 mph NW 13%
Thursday Night 50°F Mostly Cloudy 7 mph NW 13%
Friday 64°F Mostly Sunny 5 to 9 mph WNW 10%

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

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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.