Harman US

Boardman, OR Weather & Growing Conditions

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

This Afternoon
76°F
Sunny
Sunny, with a high near 76. Southwest wind around 2 mph.

7-day forecast for Boardman

WhenTempForecastWindPrecip
This Afternoon 76°F Sunny 2 mph SW 1%
Tonight 58°F Clear 5 mph SW 1%
Saturday 76°F Sunny 3 mph W 0%
Saturday Night 57°F Mostly Clear 1 mph SE 0%
Sunday 78°F Sunny 2 mph NE 0%
Sunday Night 59°F Mostly Clear 2 mph E 0%
Monday 79°F Sunny 1 mph SW 0%
Monday Night 59°F Mostly Clear 1 to 5 mph SW 0%
Tuesday 75°F Sunny 3 mph SW 0%
Tuesday Night 57°F Mostly Clear 2 to 7 mph SW 0%
Wednesday 72°F Sunny 1 to 5 mph SW 0%
Wednesday Night 57°F Partly Cloudy 1 mph SW 0%
Thursday 74°F Mostly Sunny 1 mph NW 2%
Thursday Night 58°F Partly Cloudy 2 mph SW 4%

Forecast source: National Weather Service (api.weather.gov) for Boardman (45.837, -119.693). Updated through the day.

Growing snapshot for Boardman

Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
7b

More local growing data for Boardman: nearby ZIP 99345 weather · frost dates · planting calendar · Oregon frost dates

Climate data from the nearest NOAA station, Boardman, Or (6.2 mi from Boardman). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.