Siskiyou Mountain Park Weather Forecast
- 56
- 84
Chance Rain Showers
- 51
- 73
Slight Chance Rain Showers
- 62
- 85
Sunny
- 63
- 91
Sunny
- 54
- 83
Mostly Sunny
- 54
- 80
Mostly Sunny
Today 13 Sep Jackson County
Sunny. Highs in the mid 80s to lower 90s in the Valleys and in the mid 70s to lower 80s at higher Elevations. East Winds around 5 Mph early this morning becoming Light, then becoming west around 5 Mph this afternoon.
Tonight 13 Sep Jackson County
Mostly cloudy. Chance of Showers and slight chance of Thunderstorms after midnight. Lows in the lower to mid 50s. West Winds 5 to 10 Mph. Chance of precipitation 40 percent.
Siskiyou Mountain Park Temperature Statistics
September Temperature
Montague Siskiyou County Airport (28.6 miles)
Lowest 1 September, 2025
48 °FAverage September
69.3 °FHighest 1 September, 2025
95 °F
Climate (2020–Present)
Montague Siskiyou County Airport (28.6 miles)
Average Low 2020–2025
39.6 °FAverage 2020–2025
54.2 °FAverage High 2020–2025
69 °F