Monarch Grove Natural Area Weather Forecast

    • 49
    • 63

    Partly Sunny

    • 49
    • 67

    Mostly Sunny

    • 49
    • 66

    Sunny

    • 51
    • 67

    Sunny

    • 52
    • 68

    Sunny

    • 53
    • 69

    Mostly Sunny

    • 53
    • 69

    Mostly Sunny

Today 10 Jan San Luis Obispo County Beaches

Sunny. Highs in the 60s. Northeast Winds 15 to 25 Mph.

Tonight 10 Jan San Luis Obispo County Beaches

Partly cloudy in the evening then mostly cloudy. Lows in the mid 30s to mid 40s except the mid 40s to around 50 in the Hills. Northeast Winds around 15 Mph after midnight.

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Monarch Grove Natural Area Temperature Statistics

January Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (13 miles)

  • Lowest 2 January, 2026

    42.1 °F

  • Average January

    54.9 °F

  • Highest 2 January, 2026

    66 °F

Climate (2021–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (13 miles)

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    72.7 °F
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