Captain Jack Lake Weather Forecast
- 49
- 68
Mostly Sunny
- 52
- 72
Partly Sunny
- 52
- 73
Partly Sunny
- 48
- 72
Mostly Sunny
- 48
- 69
Partly Sunny
- 49
- 70
Partly Sunny
- 46
- 65
Partly Sunny
Today 19 Sep Klamath Basin
Sunny. Highs in the lower to mid 70s. Northeast Winds around 5 Mph shifting to the southeast early this Afternoon, then shifting to the northwest late this afternoon.
Tonight 19 Sep Klamath Basin
Mostly clear in the evening then becoming partly cloudy. Lows in the lower to mid 40s. North Winds around 5 Mph.
Captain Jack Lake Temperature Statistics
September Temperature
Klamath Falls International Airport (19.3 miles)
Lowest 7 September, 2026
31.6 °FAverage September
54.3 °FHighest 10 September, 2026
86.6 °F
Climate (2021–2026)
Klamath Falls International Airport (19.3 miles)
Average Low 2021–2026
33.9 °FAverage 2021–2026
48.6 °FAverage High 2021–2026
63.3 °F