West Haven-Sylvan Weather Forecast

    • 54
    • 79

    Increasing Clouds

    • 54
    • 83

    Chance Rain Showers

    • 49
    • 70

    Chance Rain Showers

    • 48
    • 69

    Partly Sunny

    • 45
    • 65

    Slight Chance Rain

    • 46
    • 64

    Chance Rain

Today 11 May West Hills and Chehalem Mountains

Sunny. Highs in the upper 70s. North wind 5 to 10 Mph.

Tonight 11 May West Hills and Chehalem Mountains

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. North wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Haven-Sylvan Temperature Statistics

May Temperature

Pearson Airfield (8.7 miles)

  • Lowest 9 May, 2026

    48 °F

  • Average May

    63.3 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Pearson Airfield (8.7 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    64.8 °F
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