Headwaters Forest Reserve Weather Forecast
- 59
- 70
Mostly Sunny
- 55
- 75
Mostly Sunny
- 54
- 68
Partly Sunny
- 55
- 66
Mostly Cloudy
- 55
- 66
Slight Chance Rain
- 53
- 66
Slight Chance Rain
- 54
- 66
Partly Sunny
Today 15 Sep Southern Humboldt Interior
Sunny. Highs 81 to 96.
Tonight 15 Sep Southern Humboldt Interior
Clear. Lows 56 to 66.
Headwaters Forest Reserve Temperature Statistics
September Temperature
Fortuna Rohnerville Airport (6.2 miles)
Lowest 7 September, 2025
51.8 °FAverage September
58.7 °FHighest 13 September, 2025
69.8 °F
Climate (2020–Present)
Fortuna Rohnerville Airport (6.2 miles)
Average Low 2020–2025
45.1 °FAverage 2020–2025
51.2 °FAverage High 2020–2025
59.5 °F