Ione Weather Forecast
- 48
- 72
Mostly Cloudy
- 51
- 76
Mostly Cloudy
- 44
- 75
Mostly Cloudy
- 33
- 56
Partly Sunny
- 38
- 57
Partly Sunny
- 43
- 57
Chance Rain
- 39
- 62
Chance Rain
Today 18 Mar Lower Columbia Basin of Oregon
Partly sunny. Highs in the lower to mid 70s. Southwest wind 5 to 15 Mph.
Tonight 18 Mar Lower Columbia Basin of Oregon
Mostly cloudy. Lows around 50. Southwest wind 5 to 10 Mph.
Ione Temperature Statistics
March Temperature
Hermiston, Hermiston Municipal Airport (34.8 miles)
Lowest 15 March, 2026
26.1 °FAverage March
48.4 °FHighest 7 March, 2026
70 °F
Climate (2021–Present)
Hermiston, Hermiston Municipal Airport (34.8 miles)
Average Low 2021–2026
43.1 °FAverage 2021–2026
55.4 °FAverage High 2021–2026
67.7 °F