San Isidro Lake Weather Forecast
- 52
- 61
Rain Showers
- 49
- 67
Rain Showers Likely
- 47
- 70
Chance Thunderstorms
- 48
- 75
Partly Sunny
- 49
- 76
Partly Sunny
- 48
- 72
Chance Thunderstorms
Today 23 Sep East Slopes Sangre de Cristo Mountains
Areas of fog in the morning. Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Some Thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 50s. South Winds around 15 Mph in the afternoon. Chance of rain near 100 percent.
Tonight 23 Sep East Slopes Sangre de Cristo Mountains
Breezy, Showers. A chance of Thunderstorms, mainly in the evening. Some Thunderstorms may produce heavy rainfall in the evening. Some Thunderstorms may produce heavy rainfall after midnight. Near steady temperature in the lower 50s. South Winds 15 to 25 Mph. Chance of rain near 100 percent.
San Isidro Lake Temperature Statistics
September Temperature
Las Vegas Municipal Airport (16.2 miles)
Lowest 20 September, 2026
46.9 °FAverage September
69.6 °FHighest 7 September, 2026
88.6 °F
Climate (2021–2026)
Las Vegas Municipal Airport (16.2 miles)
Average Low 2021–2026
38.2 °FAverage 2021–2026
52.4 °FAverage High 2021–2026
66.9 °F