Castac Lake Weather Forecast

    • 53
    • 70

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 53
    • 76

    Mostly Sunny

    • 50
    • 72

    Mostly Cloudy

    • 44
    • 62

    Chance Rain

Today 26 Mar Grapevine

Mostly sunny. Highs 66 to 72. Northwest Winds 5 to 15 Mph.

Tonight 26 Mar Grapevine

Partly cloudy. Lows in the mid 50s. Northwest Winds 5 to 10 Mph shifting to the south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castac Lake Temperature Statistics

March Temperature

Sandberg (8.7 miles)

  • Lowest 5 March, 2026

    34.6 °F

  • Average March

    59.2 °F

  • Highest 20 March, 2026

    84.7 °F

Climate (2021–Present)

Sandberg (8.7 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    59.5 °F

  • Average High 2021–2026

    68.2 °F
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