Mount Sylvan Weather Forecast

    • 58
    • 62

    Chance Rain Showers

    • 36
    • 68

    Partly Sunny

    • 47
    • 60

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

    • 54
    • 70

    Partly Sunny

Today 17 Dec Smith

Cloudy. A chance of Showers, mainly this morning. Highs in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 17 Dec Smith

Cloudy. A slight chance of Showers in the evening. Near steady temperature in the upper 50s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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Mount Sylvan Temperature Statistics

December Temperature

Tyler, Tyler Pounds Field (7.5 miles)

  • Lowest 15 December, 2025

    28 °F
  • Average December

    46.7 °F
  • Highest 12 December, 2025

    68 °F

Climate (2020–Present)

Tyler, Tyler Pounds Field (7.5 miles)

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  • Average Low 2020–2025

    58.5 °F
  • Average 2020–2025

    68.5 °F
  • Average High 2020–2025

    79 °F
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