Foster Weather Forecast

    • 59
    • 74

    Rain Showers

    • 57
    • 73

    Chance Thunderstorms

    • 56
    • 72

    Chance Rain Showers

    • 59
    • 79

    Partly Sunny

    • 59
    • 81

    Slight Chance Thunderstorms

    • 55
    • 80

    Slight Chance Thunderstorms

Today 17 Sep Pierce

Showers likely with a chance of Thunderstorms in the Morning, then Showers with Thunderstorms likely in the afternoon. Not as warm with Highs in the mid 70s. East Winds 5 to 10 Mph, becoming south in the afternoon. Chance of rain 80 percent.

Tonight 17 Sep Pierce

Showers with a chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph. Chance of rain 80 percent.

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Foster Temperature Statistics

September Temperature

Norfolk, Stefan Memorial Airport (23 miles)

  • Lowest 6 September, 2025

    39 °F

  • Average September

    65.3 °F

  • Highest 13 September, 2025

    91.9 °F

Climate (2020–Present)

Norfolk, Stefan Memorial Airport (23 miles)

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  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    63.7 °F
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