Round Mountain Airport Weather Forecast
- 47
- 65
Partly Sunny
- 46
- 66
Mostly Cloudy
- 32
- 56
Partly Sunny
- 37
- 59
Mostly Sunny
- 44
- 67
Partly Sunny
- 44
- 68
Mostly Sunny
Today 23 Mar Central Siskiyou County
Mostly cloudy early this morning then becoming partly cloudy. Areas of frost early this morning. Highs in the mid 60s to mid 70s. Northwest Winds around 5 Mph shifting to the southwest in the late morning and afternoon.
Tonight 23 Mar Central Siskiyou County
Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. Southwest Winds 5 to 10 Mph.
Round Mountain Airport Temperature Statistics
March Temperature
Montague Siskiyou County Airport (20.5 miles)
Lowest 11 March, 2026
24.7 °FAverage March
48.4 °FHighest 18 March, 2026
81.6 °F
Climate (2021–Present)
Montague Siskiyou County Airport (20.5 miles)
Average Low 2021–2026
39.6 °FAverage 2021–2026
54.3 °FAverage High 2021–2026
69.2 °F