Gilmour Weather Forecast

    • 30
    • 36

    Mostly Cloudy

    • 19
    • 39

    Mostly Cloudy

    • 18
    • 32

    Partly Sunny

    • 38
    • 42

    Chance Rain

    • 24
    • 45

    Chance Snow

    • 20
    • 34

    Chance Rain/Snow

    • 5
    • 26

    Mostly Cloudy

Today 6 Dec Sullivan

Mostly cloudy. Highs in the upper 30s. Southwest Winds around 5 Mph.

Tonight 6 Dec Sullivan

Mostly cloudy. A slight chance of freezing drizzle through midnight. A slight chance of drizzle and freezing drizzle toward daybreak. Areas of fog. Cold with Lows around 30. Southwest Winds around 5 Mph, becoming south around 5 Mph.

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Gilmour Temperature Statistics

December Temperature

Terre Haute Regional Airport (21.7 miles)

  • Lowest 4 December, 2025

    12 °F

  • Average December

    24.5 °F

  • Highest 4 December, 2025

    30.9 °F

Climate (2020–Present)

Terre Haute Regional Airport (21.7 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    65.5 °F
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