Thurston Weather Forecast

    • 60
    • 80

    Mostly Cloudy

    • 67
    • 80

    Rain Showers Likely

    • 62
    • 81

    Rain Showers Likely

    • 60
    • 74

    Chance Rain Showers

    • 59
    • 72

    Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

Today 18 Sep Fairfield

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the morning. Humid with Highs around 80. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 18 Sep Fairfield

Partly cloudy. Lows around 60. Northeast Winds 5 to 10 Mph.

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Thurston Temperature Statistics

September Temperature

Lancaster, Fairfield County Airport (8.1 miles)

  • Lowest 15 September, 2026

    48.9 °F

  • Average September

    75 °F

  • Highest 3 September, 2026

    95.6 °F

Climate (2021–2026)

Lancaster, Fairfield County Airport (8.1 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.1 °F
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