Costas Lake Weather Forecast

    • 76
    • 96

    Hot

    • 77
    • 98

    Hot

    • 78
    • 99

    Hot

    • 76
    • 98

    Slight Chance Thunderstorms

    • 75
    • 96

    Slight Chance Thunderstorms

Today 26 Jul Madison

Mostly sunny. Highs in the mid 90s. West Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 26 Jul Madison

Partly cloudy. Near steady temperature in the upper 70s. Southwest Winds around 5 Mph.

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Costas Lake Temperature Statistics

July Temperature

Jackson, Hawkins Field Airport (5 miles)

  • Lowest 7 July, 2026

    72 °F

  • Average July

    83.4 °F

  • Highest 20 July, 2026

    96.7 °F

Climate (2021–2026)

Jackson, Hawkins Field Airport (5 miles)

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  • Average Low 2021–2026

    57.5 °F

  • Average 2021–2026

    67.7 °F

  • Average High 2021–2026

    78.4 °F
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