Lake Sinai Weather Forecast

    • 39
    • 61

    Areas Smoke

    • 43
    • 70

    Chance Rain Showers

    • 39
    • 60

    Partly Sunny

    • 38
    • 62

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

    • 56
    • 74

    Slight Chance Thunderstorms

    • 56
    • 76

    Partly Sunny

Today 3 Sep Brookings

Mostly sunny. Areas of smoke. Much cooler with Highs in the lower 60s. North Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 3 Sep Brookings

Areas of smoke this evening. Mostly cloudy. Cooler with Lows in the upper 30s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sinai Temperature Statistics

September Temperature

Brookings, Brookings Municipal Airport (12.4 miles)

  • Lowest 1 September, 2025

    57 °F

  • Average September

    66.5 °F

  • Highest 1 September, 2025

    75 °F

Climate (2020–Present)

Brookings, Brookings Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    35.1 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    55.4 °F
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