Harman US

Ione, OR Weather & Growing Conditions

Overnight
34°F
Mostly Clear
Mostly clear. Low around 34, with temperatures rising to around 36 overnight. South wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 34°F Mostly Clear 7 mph S 0%
Wednesday 54°F Sunny 2 to 6 mph NW 2%
Wednesday Night 41°F Chance Rain Showers 3 to 10 mph SW 40%
Thursday 58°F Mostly Sunny 3 to 14 mph W 8%
Thursday Night 37°F Partly Cloudy 3 to 7 mph SW 0%
Friday 58°F Mostly Cloudy 3 to 7 mph SW 1%
Friday Night 40°F Mostly Cloudy 6 mph S 1%
Saturday 57°F Mostly Sunny 6 mph NE 0%
Saturday Night 42°F Mostly Cloudy 3 to 10 mph SW 5%
Sunday 59°F Mostly Cloudy 5 to 10 mph SW 5%
Sunday Night 39°F Mostly Cloudy 6 mph SW 5%
Monday 54°F Partly Sunny 5 mph NE 5%
Monday Night 39°F Mostly Cloudy 2 to 6 mph S 13%
Tuesday 59°F Partly Sunny 6 mph S 13%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Ione, OR

Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
7b

Explore more for Ione, OR: full frost dates · planting calendar · Oregon frost dates

Climate data from the nearest NOAA station, Heppner, Or (18.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.