Umatilla National Wildlife Refuge Weather Forecast
- 41
- 58
Decreasing Clouds
- 36
- 56
Mostly Sunny
- 39
- 58
Mostly Sunny
- 44
- 59
Partly Sunny
- 43
- 61
Mostly Sunny
- 47
- 61
Chance Rain Showers
Today 13 Oct Lower Columbia Basin of Oregon
Cloudy. Rain Showers likely in the Morning, then a chance of rain Showers in the afternoon. Highs in the 50s. Breezy. North wind 10 to 20 Mph with Gusts to around 30 Mph. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an inch.
Tonight 13 Oct Lower Columbia Basin of Oregon
Mostly cloudy in the evening then clearing. Lows in the mid to upper 30s. North wind 5 to 15 Mph.
Umatilla National Wildlife Refuge Temperature Statistics
October Temperature
Hermiston, Hermiston Municipal Airport (16.2 miles)
Lowest 7 October, 2025
34 °FAverage October
56.8 °FHighest 8 October, 2025
75.9 °F
Climate (2020–Present)
Hermiston, Hermiston Municipal Airport (16.2 miles)
Average Low 2020–2025
42.9 °FAverage 2020–2025
55.1 °FAverage High 2020–2025
67.5 °F