Irrigon Weather Forecast
- 39
- 53
Slight Chance Rain
- 33
- 61
Slight Chance Rain
- 33
- 53
Mostly Cloudy
- 42
- 53
Chance Rain
- 43
- 62
Chance Rain
- 39
- 59
Partly Sunny
Today 28 Oct Lower Columbia Basin of Oregon
Mostly cloudy. Highs in the lower to mid 50s. Northeast wind 5 to 10 Mph.
Tonight 28 Oct Lower Columbia Basin of Oregon
Mostly cloudy. A 20 percent chance of rain overnight. Lows in the upper 30s to lower 40s. Northeast wind 5 to 10 Mph shifting to the south overnight.
Irrigon Temperature Statistics
October Temperature
Hermiston, Hermiston Municipal Airport (11.8 miles)
Lowest 14 October, 2025
30 °FAverage October
52.9 °FHighest 8 October, 2025
75.9 °F
Climate (2020–Present)
Hermiston, Hermiston Municipal Airport (11.8 miles)
Average Low 2020–2025
42.9 °FAverage 2020–2025
55.1 °FAverage High 2020–2025
67.5 °F