Alamosa Weather Forecast

    • 41
    • 66

    Rain Showers Likely

    • 45
    • 64

    Rain Showers Likely

    • 36
    • 65

    Chance Rain Showers

    • 34
    • 59

    Rain Showers

    • 27
    • 57

    Chance Rain Showers

    • 26
    • 56

    Slight Chance Thunderstorms

    • 26
    • 58

    Partly Sunny

Today 21 Oct Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Partly sunny. Highs in the 60s. South Winds around 10 Mph.

Tonight 21 Oct Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Cloudy with a 50 percent chance of rain Showers. Lows in the lower to mid 40s. Light Winds.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Alamosa Temperature Statistics

October Temperature

San Luis Valley Regional Airport (1.9 miles)

  • Lowest 17 October, 2026

    21.7 °F
  • Average October

    51.3 °F
  • Highest 6 October, 2026

    76.6 °F

Climate (2021–2026)

San Luis Valley Regional Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    26.9 °F
  • Average 2021–2026

    45.3 °F
  • Average High 2021–2026

    63.5 °F
Get WillyWeather+ to remove ads