San Mateo Reservoir Weather Forecast

    • 18
    • 40

    Snow Showers

    • 24
    • 48

    Mostly Sunny

    • 33
    • 56

    Partly Sunny

    • 32
    • 58

    Partly Sunny

    • 31
    • 63

    Partly Sunny

    • 36
    • 63

    Partly Sunny

Today 30 Jan West Central Mountains

Windy. Mostly cloudy with isolated snow Showers this Morning, then mostly sunny this afternoon. Highs in the lower 40s. West Winds 25 to 35 Mph with Gusts up to 45 Mph. Chance of snow 20 percent.

Tonight 30 Jan West Central Mountains

Windy, cold. Mostly clear. Lows 11 to 19. West Winds 20 to 30 Mph. Gusts up to 45 Mph in the evening.

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San Mateo Reservoir Temperature Statistics

January Temperature

Grants, Grants-Milan Municipal Airport (18.6 miles)

  • Lowest 21 January, 2025

    -7.4 °F

  • Average January

    28.4 °F

  • Highest 2 January, 2025

    60.8 °F

Climate (2020–Present)

Grants, Grants-Milan Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    67.2 °F
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