Forest Lake Weather Forecast

    • 51
    • 67

    Increasing Clouds

    • 53
    • 64

    Chance Rain Showers

    • 54
    • 68

    Mostly Cloudy

    • 55
    • 63

    Rain Showers Likely

    • 55
    • 70

    Slight Chance Rain Showers

    • 55
    • 71

    Chance Rain Showers

Today 23 Sep Washington

Sunny. Highs in the upper 60s. Southeast Winds up to 10 Mph.

Tonight 23 Sep Washington

Increasing Clouds. Lows in the lower 50s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Forest Lake Temperature Statistics

September Temperature

L O Simenstad Municipal Airport (14.3 miles)

  • Lowest 14 September, 2026

    41.7 °F

  • Average September

    68.1 °F

  • Highest 1 September, 2026

    88 °F

Climate (2021–2026)

L O Simenstad Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    57 °F
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