Hartwell Conservation Area Weather Forecast

    • 44
    • 54

    Chance Rain Showers

    • 21
    • 52

    Chance Rain Showers

    • 39
    • 45

    Partly Sunny

    • 30
    • 55

    Partly Sunny

    • 32
    • 46

    Mostly Cloudy

    • 41
    • 51

    Mostly Cloudy

Today 17 Dec Pettis

Patchy fog in the morning. Sunny. Highs in the mid 50s. Southeast Winds 5 to 10 Mph.

Tonight 17 Dec Pettis

Mostly cloudy. A chance of Showers after midnight. Not as cool with Lows in the mid 40s. Temperature rising into the lower 50s after midnight. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartwell Conservation Area Temperature Statistics

December Temperature

Whiteman Air Force Base (8.1 miles)

  • Lowest 14 December, 2025

    6.8 °F
  • Average December

    30.7 °F
  • Highest 9 December, 2025

    55.2 °F

Climate (2020–Present)

Whiteman Air Force Base (8.1 miles)

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  • Average Low 2020–2025

    46.6 °F
  • Average 2020–2025

    56.8 °F
  • Average High 2020–2025

    67.2 °F
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