Southwest Hills Weather Forecast
- 75
- 95
Mostly Cloudy
- 74
- 95
Partly Sunny
- 73
- 96
Partly Sunny
- 74
- 95
Mostly Sunny
- 76
- 96
Mostly Cloudy
- 76
- 93
Mostly Cloudy
- 75
- 92
Mostly Cloudy
Today 21 Jul Hays
Mostly cloudy this Morning, then becoming partly cloudy. Highs in the mid 90s. South Winds around 10 Mph with Gusts up to 25 Mph.
Tonight 21 Jul Hays
Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
Southwest Hills Temperature Statistics
July Temperature
San Marcos, San Marcos Municipal Airport (5.6 miles)
Lowest 10 July, 2025
66.9 °FAverage July
81.4 °FHighest 17 July, 2025
95 °F
Climate (2020–Present)
San Marcos, San Marcos Municipal Airport (5.6 miles)
Average Low 2020–2025
59.2 °FAverage 2020–2025
69.8 °FAverage High 2020–2025
81.5 °F