Crater Lake Weather Forecast
- 42
- 57
Sunny
- 45
- 62
Mostly Sunny
- 47
- 64
Mostly Sunny
- 45
- 63
Mostly Sunny
- 43
- 60
Mostly Sunny
- 45
- 60
Partly Sunny
Today 18 Sep South Central Oregon Cascades
Sunny. Highs in the lower 60s to lower 70s. West Winds 5 to 10 Mph.
Tonight 18 Sep South Central Oregon Cascades
Clear. Lows in the mid 30s to mid 40s. Northwest Winds around 5 Mph early in the evening becoming Light, then becoming southeast around 5 Mph after midnight.
Crater Lake Temperature Statistics
September Temperature
Rogue Valley International Airport (55.3 miles)
Lowest 14 September, 2026
42.7 °FAverage September
64.3 °FHighest 9 September, 2026
96.7 °F
Climate (2021–2026)
Rogue Valley International Airport (55.3 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
57 °FAverage High 2021–2026
70.1 °F