Slab City Weather Forecast

    • 39
    • 67

    Partly Sunny

    • 44
    • 63

    Chance Rain

    • 45
    • 62

    Chance Rain

    • 42
    • 61

    Mostly Cloudy

    • 42
    • 62

    Partly Sunny

    • 45
    • 66

    Slight Chance Rain Showers

    • 48
    • 65

    Chance Rain Showers

Today 18 Sep Southwestern St. Lawrence

Mostly sunny. Highs in the upper 60s. North Winds around 10 Mph.

Tonight 18 Sep Southwestern St. Lawrence

Partly cloudy until Midnight, then clearing. Lows in the upper 30s. North Winds around 10 Mph until Midnight, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Slab City Temperature Statistics

September Temperature

Massena, Massena International-Richards Field (21.7 miles)

  • Lowest 15 September, 2026

    41.6 °F

  • Average September

    64.5 °F

  • Highest 2 September, 2026

    81.6 °F

Climate (2021–2026)

Massena, Massena International-Richards Field (21.7 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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