Cold Springs Reservoir Weather Forecast
- 25
- 37
Patchy Freezing Fog
- 30
- 33
Rain/Freezing Rain Likely
- 34
- 44
Chance Rain
- 38
- 46
Chance Rain
- 36
- 51
Chance Rain
- 34
- 48
Slight Chance Rain
- 34
- 48
Mostly Cloudy
Today 31 Dec Lower Columbia Basin of Oregon
Partly sunny. Patchy freezing fog in the morning. Highs in the mid to upper 30s. Light wind.
Tonight 31 Dec Lower Columbia Basin of Oregon
Mostly cloudy. Patchy freezing fog overnight. Lows in the lower to mid 20s. Light wind.
Cold Springs Reservoir Temperature Statistics
December Temperature
Hermiston, Hermiston Municipal Airport (5.6 miles)
Lowest 28 December, 2025
23 °FAverage December
42.9 °FHighest 15 December, 2025
72 °F
Climate (2021–Present)
Hermiston, Hermiston Municipal Airport (5.6 miles)
Average Low 2021–2025
43 °FAverage 2021–2025
55.4 °FAverage High 2021–2025
67.7 °F