Clear Lake Weather Forecast

    • 52
    • 66

    Rain Showers

    • 49
    • 65

    Chance Rain Showers

    • 51
    • 63

    Mostly Cloudy

    • 49
    • 63

    Chance Rain Showers

    • 48
    • 65

    Mostly Cloudy

    • 46
    • 67

    Partly Sunny

Today 20 Sep Steuben

Showers. A chance of Thunderstorms late this Morning, then a slight chance of Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall late this morning. Some Thunderstorms may produce heavy rainfall this afternoon. Near steady temperature in the mid 60s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 90 percent.

Tonight 20 Sep Steuben

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the lower 50s. Northeast Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

Angola Tri-State Steuben County Airport (14.3 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    70.9 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Angola Tri-State Steuben County Airport (14.3 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    62.1 °F
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