Weston, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Weston, a city in Umatilla County, Oregon.

This Afternoon

48°F

Mostly Cloudy

Mostly cloudy. High near 48, with temperatures falling to around 41 in the afternoon. Southeast wind around 2 mph.

7-day forecast for Weston

When	Temp	Forecast	Wind	Precip
This Afternoon	48°F	Mostly Cloudy	2 mph SE	2%
Tonight	35°F	Partly Cloudy	5 mph S	2%
Wednesday	50°F	Sunny	2 to 6 mph SW	1%
Wednesday Night	40°F	Mostly Cloudy then Chance Rain Showers	2 to 10 mph S	43%
Thursday	52°F	Chance Rain Showers then Mostly Sunny	2 to 12 mph SW	43%
Thursday Night	39°F	Partly Cloudy	2 to 13 mph S	6%
Friday	55°F	Mostly Cloudy	2 to 13 mph S	9%
Friday Night	43°F	Mostly Cloudy	2 to 12 mph SE	4%
Saturday	61°F	Partly Sunny	5 to 13 mph SE	1%
Saturday Night	46°F	Mostly Cloudy then Slight Chance Rain Showers	6 to 16 mph SE	20%
Sunday	57°F	Slight Chance Rain Showers	2 to 15 mph S	24%
Sunday Night	42°F	Mostly Cloudy	2 to 6 mph S	12%
Monday	54°F	Mostly Cloudy then Slight Chance Rain Showers	1 to 6 mph SW	17%
Monday Night	43°F	Slight Chance Rain Showers	1 to 8 mph S	21%

Forecast source: National Weather Service (api.weather.gov) for Weston (45.815, -118.426). Updated through the day.

Growing snapshot for Weston

Last spring frost

Mar 25

First fall frost

Oct 29

Growing season

218 days

Hardiness zone

More local growing data for Weston: nearby ZIP 97813 weather · frost dates · planting calendar · Oregon frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Milton Freewater, Or (8.4 mi from Weston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.