Koester Reservoir Weather Forecast
- 28
- 48
Increasing Clouds
- 33
- 48
Mostly Cloudy
- 32
- 50
Partly Sunny
- 38
- 52
Partly Sunny
- 45
- 55
Mostly Cloudy
- 46
- 61
Chance Rain
- 46
- 61
Chance Rain
Today 13 Nov Thayer
Mostly cloudy with a 50 percent chance of rain. Highs in the lower 60s.
Tonight 13 Nov Thayer
Clear in the evening then becoming partly cloudy. Lows in the mid 20s. Light Winds.
Koester Reservoir Temperature Statistics
November Temperature
Hebron, Hebron Municipal Airport (9.9 miles)
Lowest 7 November, 2026
32.9 °FAverage November
51.9 °FHighest 2 November, 2026
73.9 °F
Climate (2021–2026)
Hebron, Hebron Municipal Airport (9.9 miles)
Average Low 2021–2026
43 °FAverage 2021–2026
54.7 °FAverage High 2021–2026
67.1 °F