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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.

Tonight
43°F
Mostly Clear
Mostly clear, with a low around 43. East wind 0 to 6 mph.

7-day forecast for Westport

WhenTempForecastWindPrecip
Tonight 43°F Mostly Clear 0 to 6 mph E 4%
Wednesday 57°F Partly Sunny then Light Rain 7 mph SE 80%
Wednesday Night 48°F Light Rain 3 to 7 mph S 99%
Thursday 57°F Slight Chance Light Rain then Partly Sunny 1 to 5 mph S 15%
Thursday Night 49°F Light Rain 1 to 9 mph SSE 76%
Friday 56°F Light Rain 3 to 10 mph SE 76%
Friday Night 49°F Chance Light Rain 3 to 8 mph SE 38%
Saturday 60°F Mostly Cloudy then Chance Light Rain 9 mph SSE 37%
Saturday Night 51°F Light Rain 7 to 20 mph S 75%
Sunday 56°F Light Rain Likely 2 to 15 mph SW 66%
Sunday Night 46°F Patchy Fog then Slight Chance Light Rain 1 to 6 mph S 23%
Monday 56°F Chance Light Rain 8 mph SE 47%
Monday Night 49°F Light Rain Likely 6 to 16 mph SSE 67%
Tuesday 57°F Light Rain Likely 6 to 13 mph SSE 67%

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 Nov 4, 2026.