Threemile Reservoir Weather Forecast
- 28
- 40
Becoming Sunny
- 33
- 49
Mostly Cloudy
- 39
- 53
Rain
- 32
- 50
Rain
- 30
- 49
Slight Chance Rain/Snow
- 34
- 56
Slight Chance Rain/Snow
Today 21 Feb Harney County
Increasing Clouds. Highs 39 to 44. Southeast Winds 10 to 15 Mph with Gusts to 25 Mph.
Tonight 21 Feb Harney County
Decreasing Clouds. Lows 20 to 28. Southeast Winds 10 to 15 Mph with Gusts to 25 Mph.
Threemile Reservoir Temperature Statistics
February Temperature
Rome (53.4 miles)
Lowest 19 February, 2026
16 °FAverage February
37.6 °FHighest 7 February, 2026
63.6 °F
Climate (2021–Present)
Rome (53.4 miles)
Average Low 2021–2026
36.7 °FAverage 2021–2026
51.5 °FAverage High 2021–2026
65.9 °F