Holmes Weather Forecast
- 52
- 75
Increasing Clouds
- 54
- 74
Slight Chance Thunderstorms
- 54
- 76
Slight Chance Rain
- 50
- 76
Partly Sunny
- 50
- 74
Partly Sunny
- 53
- 80
Partly Sunny
- 54
- 79
Chance Rain
Today 17 Sep Southern Humboldt Interior
Sunny. Highs 78 to 93.
Tonight 17 Sep Southern Humboldt Interior
Mostly clear. Lows 51 to 61.
Holmes Temperature Statistics
September Temperature
Fortuna Rohnerville Airport (13.7 miles)
Lowest 7 September, 2025
51.8 °FAverage September
59 °FHighest 14 September, 2025
71.6 °F
Climate (2020–Present)
Fortuna Rohnerville Airport (13.7 miles)
Average Low 2020–2025
45.1 °FAverage 2020–2025
51.2 °FAverage High 2020–2025
59.5 °F