Barth Lake Weather Forecast

    • 53
    • 54

    Dense Fog

    • 60
    • 70

    Rain Showers

    • 45
    • 72

    Rain Showers

    • 40
    • 71

    Mostly Sunny

    • 43
    • 71

    Sunny

    • 52
    • 76

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

Today 28 Jan Caldwell

Cloudy with a slight chance of Showers. Patchy fog. Patchy very light drizzle this afternoon. Highs in the mid 50s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 28 Jan Caldwell

Cloudy. Patchy drizzle this Evening, then Areas of drizzle after midnight. Areas of dense fog this Evening, then widespread dense fog after midnight. Near steady temperature in the mid 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barth Lake Temperature Statistics

January Temperature

San Marcos, San Marcos Municipal Airport (10.6 miles)

  • Lowest 22 January, 2025

    19 °F

  • Average January

    45 °F

  • Highest 5 January, 2025

    75.9 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    59 °F

  • Average 2020–2025

    69.7 °F

  • Average High 2020–2025

    81.4 °F
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