Brunswick Weather Forecast

    • 58
    • 68

    Cloudy

    • 55
    • 74

    Mostly Cloudy

    • 49
    • 72

    Mostly Sunny

    • 51
    • 72

    Mostly Cloudy

    • 52
    • 74

    Partly Sunny

    • 56
    • 77

    Partly Sunny

Today 23 Sep Clay

Cloudy. Patchy very light drizzle. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 23 Sep Clay

Mostly cloudy. Near steady temperature in the upper 50s. Northeast Winds 5 to 10 Mph.

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Brunswick Temperature Statistics

September Temperature

Terre Haute Regional Airport (19.9 miles)

  • Lowest 14 September, 2026

    55 °F

  • Average September

    77 °F

  • Highest 1 September, 2026

    97 °F

Climate (2021–2026)

Terre Haute Regional Airport (19.9 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.8 °F
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