St James Weather Forecast

    • 62
    • 87

    Slight Chance Thunderstorms

    • 55
    • 80

    Mostly Sunny

    • 54
    • 81

    Sunny

    • 64
    • 82

    Chance Thunderstorms

    • 67
    • 83

    Chance Rain Showers

    • 65
    • 84

    Chance Thunderstorms

Today 25 Aug Watonwan

Sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the upper 80s. West Winds 10 to 15 Mph.

Tonight 25 Aug Watonwan

Clear. Lows in the lower 60s. West Winds 10 to 15 Mph.

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St James Temperature Statistics

August Temperature

St. James Municipal Airport (3.7 miles)

  • Lowest 23 August, 2026

    46.4 °F

  • Average August

    69.7 °F

  • Highest 9 August, 2026

    84.2 °F

Climate (2021–2026)

St. James Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    36.8 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    57.1 °F
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