Cooks Valley Weather Forecast
- 57
- 89
Sunny
- 55
- 89
Sunny
- 56
- 87
Partly Sunny
- 55
- 81
Partly Sunny
- 55
- 81
Mostly Sunny
- 55
- 85
Mostly Sunny
Today 16 Sep Southern Humboldt Interior
Sunny. Highs 81 to 96.
Tonight 16 Sep Southern Humboldt Interior
Clear. Lows 53 to 63.
Cooks Valley Temperature Statistics
September Temperature
Fortuna Rohnerville Airport (41.6 miles)
Lowest 7 September, 2025
51.8 °FAverage September
58.9 °FHighest 14 September, 2025
71.6 °F
Climate (2020–Present)
Fortuna Rohnerville Airport (41.6 miles)
Average Low 2020–2025
45.1 °FAverage 2020–2025
51.2 °FAverage High 2020–2025
59.5 °F