Bayview-Montalvin Weather Forecast
- 57
- 77
Becoming Sunny
- 57
- 75
Mostly Sunny
- 57
- 76
Mostly Sunny
- 56
- 73
Partly Sunny
- 57
- 69
Partly Sunny
- 57
- 68
Partly Sunny
Today 8 Aug East Bay Interior Valleys
Sunny. Highs in the upper 90s. Northwest Winds 5 to 10 Mph.
Tonight 8 Aug East Bay Interior Valleys
Clear. Lows in the lower 60s. West Winds 5 to 15 Mph.
Bayview-Montalvin Temperature Statistics
August Temperature
Napa, Napa County Airport (14.3 miles)
Lowest 4 August, 2025
51.1 °FAverage August
65 °FHighest 6 August, 2025
87.1 °F
Climate (2020–Present)
Napa, Napa County Airport (14.3 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
70.5 °F