Osier Weather Forecast

    • 31
    • 63

    Mostly Sunny

    • 33
    • 62

    Mostly Sunny

    • 36
    • 62

    Slight Chance Thunderstorms

    • 36
    • 63

    Slight Chance Thunderstorms

    • 36
    • 63

    Slight Chance Thunderstorms

    • 37
    • 65

    Slight Chance Thunderstorms

Today 17 Sep Eastern San Juan Mountains Above 10000 Ft

Sunny. Highs 50 to 64. Southwest Winds 10 to 15 Mph.

Tonight 17 Sep Eastern San Juan Mountains Above 10000 Ft

Partly cloudy. Lows 29 to 40. Northwest Winds around 10 Mph.

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Osier Temperature Statistics

September Temperature

San Luis Valley Regional Airport (39.1 miles)

  • Lowest 14 September, 2025

    34 °F

  • Average September

    57.7 °F

  • Highest 2 September, 2025

    81 °F

Climate (2020–Present)

San Luis Valley Regional Airport (39.1 miles)

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  • Average Low 2020–2025

    26.4 °F

  • Average 2020–2025

    44.5 °F

  • Average High 2020–2025

    62.4 °F
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