Manhattan Weather Forecast

    • 66
    • 89

    Slight Chance Rain Showers

    • 65
    • 89

    Partly Sunny

    • 62
    • 82

    Rain Showers Likely

    • 59
    • 76

    Chance Thunderstorms

    • 58
    • 76

    Chance Rain Showers

    • 58
    • 77

    Partly Sunny

Today 15 Sep Riley

Sunny. A slight chance of Showers with isolated Thunderstorms this afternoon. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 15 Sep Riley

Mostly clear. Lows in the mid 60s. South Winds around 5 Mph.

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Manhattan Temperature Statistics

September Temperature

Manhattan, Manhattan Municipal Airport (6.2 miles)

  • Lowest 7 September, 2025

    46 °F
  • Average September

    67.1 °F
  • Highest 12 September, 2025

    91.9 °F

Climate (2020–Present)

Manhattan, Manhattan Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    44.2 °F
  • Average 2020–2025

    56.9 °F
  • Average High 2020–2025

    69.8 °F
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