Threemile Reservoir Weather Forecast
- 39
- 61
Increasing Clouds
- 39
- 64
Partly Sunny
- 43
- 67
Mostly Sunny
- 49
- 76
Partly Sunny
- 49
- 76
Slight Chance Rain Showers
- 50
- 78
Chance Rain Showers
- 47
- 75
Chance Rain Showers
Today 28 Apr Harney County
Mostly sunny. Highs 57 to 62. West Winds around 10 Mph.
Tonight 28 Apr Harney County
Mostly cloudy. Lows 33 to 40. Northwest Winds up to 10 Mph.
Threemile Reservoir Temperature Statistics
April Temperature
Rome (53.4 miles)
Lowest 17 April, 2026
18.6 °FAverage April
46.7 °FHighest 6 April, 2026
76.6 °F
Climate (2021–Present)
Rome (53.4 miles)
Average Low 2021–2026
36.8 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
66.1 °F