Lake Sinai Weather Forecast

    • 60
    • 78

    Rain Showers

    • 58
    • 74

    Rain Showers Likely

    • 55
    • 72

    Rain Showers Likely

    • 58
    • 75

    Slight Chance Thunderstorms

    • 57
    • 79

    Slight Chance Thunderstorms

    • 53
    • 76

    Slight Chance Thunderstorms

Today 17 Sep Brookings

A chance of Thunderstorms. Showers likely. Highs in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 17 Sep Brookings

Showers with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 60. Southeast Winds 5 to 10 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sinai Temperature Statistics

September Temperature

Brookings, Brookings Municipal Airport (12.4 miles)

  • Lowest 7 September, 2025

    36 °F

  • Average September

    58.2 °F

  • Highest 2 September, 2025

    79 °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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