Forest Hills Weather Forecast
- 70
- 96
Decreasing Clouds
- 68
- 94
Becoming Sunny
- 69
- 95
Mostly Sunny
- 69
- 95
Partly Sunny
- 69
- 95
Slight Chance Rain Showers
- 70
- 95
Slight Chance Thunderstorms
- 70
- 95
Mostly Sunny
Today 14 Sep Hays
Partly cloudy. Highs in the mid 90s. South Winds 5 to 10 Mph.
Tonight 14 Sep Hays
Partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.
Forest Hills Temperature Statistics
September Temperature
San Marcos, San Marcos Municipal Airport (4.3 miles)
Lowest 9 September, 2025
61 °FAverage September
81 °FHighest 4 September, 2025
102 °F
Climate (2020–Present)
San Marcos, San Marcos Municipal Airport (4.3 miles)
Average Low 2020–2025
59.2 °FAverage 2020–2025
69.9 °FAverage High 2020–2025
81.6 °F