McDonald Observatory Weather Forecast

    • 29
    • 48

    Rain Showers

    • 19
    • 39

    Freezing Rain

    • 14
    • 35

    Snow Showers Likely

    • 21
    • 39

    Mostly Sunny

    • 22
    • 48

    Partly Sunny

    • 24
    • 48

    Partly Sunny

Today 23 Jan Davis Mountains

Mostly cloudy. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Cooler with Highs in the mid 50s. Temperature falling into the lower 50s this afternoon. West Winds around 5 Mph, becoming southeast with Gusts up to 20 Mph this afternoon. Chance of rain 50 percent.

Tonight 23 Jan Davis Mountains

Mostly cloudy. Rain Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of rain Showers after midnight. Cooler with Lows in the mid 30s. East Winds 5 to 10 Mph, becoming southeast after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McDonald Observatory Temperature Statistics

January Temperature

Alpine, Alpine-Casparis Municipal Airport (28 miles)

  • Lowest 11 January, 2026

    16.7 °F

  • Average January

    48.7 °F

  • Highest 7 January, 2026

    74.8 °F

Climate (2021–Present)

Alpine, Alpine-Casparis Municipal Airport (28 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    77.9 °F
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