Lava River Caves Weather Forecast
- 33
- 53
Slight Chance Rain Showers
- 37
- 68
Mostly Sunny
- 38
- 69
Slight Chance Rain Showers
- 38
- 64
Mostly Sunny
- 41
- 72
Mostly Sunny
- 42
- 77
Mostly Sunny
Today 13 Sep East Slopes of the Oregon Cascades
Mostly cloudy with a 50 percent chance of rain Showers. Highs in the mid 40s to lower 50s, except in the 50s Valleys. West wind 5 to 15 Mph with Gusts to around 25 Mph. Rainfall Amounts less than a tenth of an inch.
Tonight 13 Sep East Slopes of the Oregon Cascades
Mostly cloudy with a 20 percent chance of rain Showers in the Evening, then mostly clear overnight. Lows in the lower 30s to lower 40s. West wind 5 to 15 Mph in the Evening, becoming light. Gusts up to 25 Mph.
Lava River Caves Temperature Statistics
September Temperature
Bend Airport AWOS (15.5 miles)
Lowest 5 September, 2026
39.2 °FAverage September
58.2 °FHighest 9 September, 2026
89.6 °F
Climate (2021–2026)
Bend Airport AWOS (15.5 miles)
Average Low 2021–2026
38.5 °FAverage 2021–2026
51.3 °FAverage High 2021–2026
64.6 °F