Diversion Lake Weather Forecast
- 41
- 75
Sunny
- 37
- 67
Sunny
- 45
- 67
Mostly Sunny
- 47
- 78
Mostly Sunny
- 47
- 80
Mostly Sunny
- 42
- 68
Partly Sunny
Today 7 Dec Medina
Sunny. Highs in the mid 70s. North Winds 10 to 15 Mph.
Tonight 7 Dec Medina
Clear, cooler with Lows around 40. North Winds 5 to 10 Mph.
Diversion Lake Temperature Statistics
December Temperature
Castroville Municipal Airport (13 miles)
Lowest 3 December, 2025
33.8 °FAverage December
48.7 °FHighest 3 December, 2025
59 °F
Climate (2020–Present)
Castroville Municipal Airport (13 miles)
Average Low 2020–2025
61.3 °FAverage 2020–2025
72.1 °FAverage High 2020–2025
84 °F