Boulder Reservoir Weather Forecast
- 60
- 87
Chance Rain Showers
- 60
- 84
Mostly Cloudy
- 58
- 86
Partly Sunny
- 55
- 88
Mostly Sunny
- 55
- 88
Mostly Sunny
- 54
- 87
Mostly Sunny
Today 20 Jul Northern Washoe County
Mostly cloudy in the morning then clearing. Highs 89 to 99. West Winds 10 to 15 Mph.
Tonight 20 Jul Northern Washoe County
Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows 60 to 70. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.
Boulder Reservoir Temperature Statistics
July Temperature
Alturas (42.9 miles)
Lowest 1 July, 2026
38.6 °FAverage July
69.2 °FHighest 11 July, 2026
95.6 °F
Climate (2021–2026)
Alturas (42.9 miles)
Average Low 2021–2026
33.4 °FAverage 2021–2026
49.3 °FAverage High 2021–2026
64.7 °F