Decatur Weather Forecast

    • 37
    • 46

    Mostly Cloudy

    • 19
    • 47

    Rain Likely

    • 13
    • 26

    Partly Sunny

    • 23
    • 31

    Mostly Cloudy

    • 18
    • 39

    Chance Snow Showers

    • 14
    • 29

    Slight Chance Snow Showers

Today 13 Jan Mifflin

Mostly sunny this Morning, then becoming mostly cloudy. Highs in the mid 40s. South Winds 5 to 10 Mph.

Tonight 13 Jan Mifflin

Mostly cloudy. Lows in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Decatur Temperature Statistics

January Temperature

State College - University Park Airport (23 miles)

  • Lowest 1 January, 2026

    14 °F

  • Average January

    31.1 °F

  • Highest 8 January, 2026

    51.8 °F

Climate (2021–Present)

State College - University Park Airport (23 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    60.4 °F
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