Calvin Lake Weather Forecast

    • 68
    • 98

    Rain Showers Likely

    • 66
    • 91

    Chance Rain Showers

    • 64
    • 88

    Mostly Cloudy

    • 66
    • 88

    Partly Sunny

    • 66
    • 89

    Mostly Cloudy

    • 65
    • 87

    Slight Chance Rain Showers

Today 20 Sep Archer

Partly sunny. A slight chance of Showers this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the upper 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Sep Archer

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Thunderstorms in the evening. A chance of Showers. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Calvin Lake Temperature Statistics

September Temperature

Graham, Graham Municipal Airport (21.7 miles)

  • Lowest 11 September, 2026

    71.6 °F

  • Average September

    88.1 °F

  • Highest 12 September, 2026

    105.1 °F

Climate (2021–2026)

Graham, Graham Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    54.7 °F

  • Average 2021–2026

    66.9 °F

  • Average High 2021–2026

    79.4 °F
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