Princeton Weather Forecast

    • 53
    • 82

    Becoming Sunny

    • 50
    • 77

    Sunny

    • 62
    • 79

    Chance Thunderstorms

    • 63
    • 90

    Slight Chance Thunderstorms

    • 65
    • 88

    Chance Thunderstorms

    • 68
    • 88

    Rain Showers Likely

    • 59
    • 82

    Rain Showers Likely

Today 12 May Mercer

Partly sunny. Near steady temperature around 80. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 12 May Mercer

Partly cloudy this Evening, then becoming clear. Lows in the lower 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Princeton Temperature Statistics

May Temperature

Lamoni, Lamoni Municipal Airport (23 miles)

  • Lowest 2 May, 2026

    36.6 °F

  • Average May

    56.1 °F

  • Highest 4 May, 2026

    82.7 °F

Climate (2021–Present)

Lamoni, Lamoni Municipal Airport (23 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.7 °F
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