Ross Reservoir Weather Forecast
- 56
- 82
Increasing Clouds
- 54
- 75
Chance Rain Showers
- 54
- 74
Chance Rain Showers
- 57
- 77
Chance Rain Showers
- 59
- 81
Mostly Sunny
- 58
- 83
Mostly Sunny
- 57
- 80
Mostly Sunny
Today 8 Sep Motherlode
Sunny. Highs 74 to 84. Light Winds becoming southwest up to 10 Mph in the afternoon.
Tonight 8 Sep Motherlode
Mostly clear. Lows 52 to 62. Prevailing southwest Winds up to 10 Mph in the evening becoming light.
Ross Reservoir Temperature Statistics
September Temperature
COLUMBIA (7.5 miles)
Lowest 5 September, 2025
59 °FAverage September
77.6 °FHighest 1 September, 2025
100.4 °F
Climate (2020–Present)
COLUMBIA (7.5 miles)
Average Low 2020–2025
46.6 °FAverage 2020–2025
59.8 °FAverage High 2020–2025
73.6 °F