Spencer Weather Forecast

    • 41
    • 60

    Mostly Cloudy

    • 39
    • 61

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

    • 45
    • 64

    Partly Sunny

    • 44
    • 65

    Partly Sunny

    • 48
    • 64

    Slight Chance Rain Showers

    • 49
    • 67

    Mostly Cloudy

Today 21 Sep Marathon

Partly cloudy. Lows in the upper 40s. Highs in the upper 60s.

Tonight 21 Sep Marathon

Mostly cloudy. Isolated Showers in the evening. Lows in the lower 40s. East wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spencer Temperature Statistics

September Temperature

Marshfield, Marshfield Municipal Airport (9.3 miles)

  • Lowest 14 September, 2026

    42.7 °F

  • Average September

    65.6 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

Marshfield, Marshfield Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.4 °F
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