Diversion Lake Weather Forecast
- 75
- 98
Hot
- 73
- 99
Hot
- 75
- 99
Hot
- 77
- 99
Hot
- 75
- 97
Slight Chance Thunderstorms
- 76
- 97
Hot
- 75
- 97
Hot
Today 29 Jul Medina
Partly cloudy Early, then clearing. Highs in the upper 90s. Southeast Winds 5 to 10 Mph. Highest heat index Readings up to 105.
Tonight 29 Jul Medina
Clear this Evening, then becoming partly cloudy. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph this evening.
Diversion Lake Temperature Statistics
July Temperature
Castroville Municipal Airport (13 miles)
Lowest 9 July, 2026
71.6 °FAverage July
84.5 °FHighest 21 July, 2026
100.4 °F
Climate (2021–2026)
Castroville Municipal Airport (13 miles)
Average Low 2021–2026
61.6 °FAverage 2021–2026
72.4 °FAverage High 2021–2026
84.3 °F