Harman US

Boardman, OR Weather & Growing Conditions

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

Today
54°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly cloudy. High near 54, with temperatures falling to around 52 in the afternoon. Northeast wind around 5 mph. Chance of precipitation is 20%.

7-day forecast for Boardman

WhenTempForecastWindPrecip
Today 54°F Slight Chance Rain Showers 5 mph NE 15%
Tonight 41°F Partly Cloudy then Patchy Fog 1 to 5 mph S 2%
Wednesday 54°F Patchy Fog then Sunny 1 mph S 1%
Wednesday Night 46°F Chance Rain Showers 1 to 7 mph SW 51%
Thursday 58°F Patchy Fog then Mostly Sunny 5 to 10 mph SW 6%
Thursday Night 44°F Partly Cloudy 1 to 5 mph SW 10%
Friday 56°F Mostly Cloudy 2 mph SW 10%
Friday Night 45°F Mostly Cloudy 3 mph SW 2%
Saturday 58°F Partly Sunny 1 mph N 9%
Saturday Night 46°F Mostly Cloudy 3 mph W 9%
Sunday 60°F Mostly Cloudy 3 to 8 mph SW 7%
Sunday Night 46°F Mostly Cloudy 3 mph W 2%
Monday 56°F Mostly Cloudy 1 mph N 11%
Monday Night 45°F Mostly Cloudy 1 mph S 14%

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 Nov 3, 2026.