Alamosa Weather Forecast
- 23
- 64
Mostly Sunny
- 22
- 58
Mostly Sunny
- 24
- 62
Mostly Sunny
- 27
- 66
Mostly Sunny
- 26
- 67
Mostly Sunny
- 24
- 60
Partly Sunny
Today 16 Oct Alamosa Vicinity/Central San Luis Valley Below 8500 Ft
Sunny. Highs 59 to 64. Southwest Winds 10 to 20 Mph.
Tonight 16 Oct Alamosa Vicinity/Central San Luis Valley Below 8500 Ft
Mostly cloudy early in the morning then becoming partly cloudy. A 20 percent chance of Thunderstorms. Lows 36 to 42. South Winds 10 to 20 Mph.
Alamosa Temperature Statistics
October Temperature
San Luis Valley Regional Airport (1.9 miles)
Lowest 5 October, 2025
21.9 °FAverage October
52.8 °FHighest 3 October, 2025
77 °F
Climate (2020–Present)
San Luis Valley Regional Airport (1.9 miles)
Average Low 2020–2025
26.4 °FAverage 2020–2025
44.5 °FAverage High 2020–2025
62.3 °F