Frank Horan Slough Wind Forecast
Frank Horan Slough Wind Statistics
September Wind
Napa, Napa County Airport (9.9 miles)
Strongest 1 September, 2026
31.1mph SSWAverage September
9.6mph
Climate (2021–2026)
Napa, Napa County Airport (9.9 miles)
Strongest 6 August, 2023
104.9mph EAverage 2021–2026
8mph