Rector Reservoir Weather Forecast
- 51
- 74
Increasing Clouds
- 51
- 77
Partly Sunny
- 50
- 77
Partly Sunny
- 50
- 77
Partly Sunny
- 50
- 76
Areas Fog
- 52
- 82
Mostly Sunny
Today 22 Jul North Bay Interior Valleys
Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A slight chance of Showers in the morning. Highs in the lower 60s to mid 70s. Southwest Winds 10 to 20 Mph.
Tonight 22 Jul North Bay Interior Valleys
Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest Winds 5 to 15 Mph.
Rector Reservoir Temperature Statistics
July Temperature
Napa, Napa County Airport (16.2 miles)
Lowest 5 July, 2025
44.7 °FAverage July
63.9 °FHighest 10 July, 2025
85.6 °F
Climate (2020–Present)
Napa, Napa County Airport (16.2 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
70.5 °F