Black Rock Reservoir Weather Forecast
- 50
- 68
Partly Sunny
- 46
- 62
Rain
- 42
- 54
Rain Showers
- 42
- 58
Mostly Sunny
- 46
- 65
Mostly Sunny
- 47
- 67
Mostly Sunny
Today 20 Oct Fresno-Tulare Lower Sierra
Sunny. A 20 percent chance of rain late in the afternoon. Highs 65 to 77. Southeast Winds up to 5 Mph shifting to the southwest in the afternoon.
Tonight 20 Oct Fresno-Tulare Lower Sierra
Partly cloudy with slight chance of rain in the Evening, then mostly cloudy with chance of rain after midnight. Lows 49 to 59. East Winds up to 5 Mph. Chance of rain 40 percent.
Black Rock Reservoir Temperature Statistics
October Temperature
Fresno, Fresno Air Terminal (39.8 miles)
Lowest 13 October, 2026
50.6 °FAverage October
76.4 °FHighest 4 October, 2026
102.7 °F
Climate (2021–2026)
Fresno, Fresno Air Terminal (39.8 miles)
Average Low 2021–2026
55.6 °FAverage 2021–2026
67 °FAverage High 2021–2026
79.1 °F