Alamosa Weather Forecast

    • 1
    • 43

    Mostly Sunny

    • 4
    • 45

    Partly Sunny

    • 13
    • 46

    Mostly Cloudy

    • 16
    • 46

    Snow Showers Likely

    • 3
    • 34

    Snow Showers Likely

    • -3
    • 32

    Mostly Sunny

    • 0
    • 34

    Mostly Sunny

Today 20 Jan Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Sunny. Highs in the lower to mid 40s. Southeast Winds up to 10 Mph.

Tonight 20 Jan Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly clear. Lows zero to 6, except 7 to 17 near the Mountains. North Winds around 10 Mph until midnight becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alamosa Temperature Statistics

January Temperature

San Luis Valley Regional Airport (1.9 miles)

  • Lowest 10 January, 2026

    -11.9 °F

  • Average January

    26 °F

  • Highest 4 January, 2026

    57 °F

Climate (2021–Present)

San Luis Valley Regional Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    26.8 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    62.6 °F
Get WillyWeather+ to remove ads