Sinai Weather Forecast

    • 46
    • 55

    Rain Showers

    • 45
    • 60

    Mostly Cloudy

    • 50
    • 64

    Rain Showers Likely

    • 52
    • 66

    Chance Rain Showers

    • 55
    • 67

    Chance Rain Showers

    • 54
    • 65

    Chance Rain Showers

Today 21 Sep Brookings

Showers this Morning, then drizzle and Showers likely this afternoon. Cooler with Highs in the mid 50s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 21 Sep Brookings

Cloudy. A chance of drizzle in the Evening, then patchy drizzle after midnight. Patchy fog after midnight. Lows in the mid 40s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinai Temperature Statistics

September Temperature

Brookings, Brookings Municipal Airport (11.2 miles)

  • Lowest 16 September, 2026

    45 °F

  • Average September

    67.6 °F

  • Highest 3 September, 2026

    91 °F

Climate (2021–2026)

Brookings, Brookings Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55.6 °F
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