Castlemere Weather Forecast

    • 62
    • 83

    Severe Tstms

    • 60
    • 77

    Becoming Sunny

    • 64
    • 82

    Mostly Sunny

    • 68
    • 89

    Mostly Sunny

    • 71
    • 89

    Partly Sunny

    • 71
    • 91

    Partly Sunny

    • 72
    • 89

    Partly Sunny

Today 10 May Collin

Showers with Thunderstorms likely. Some Thunderstorms may be severe. Highs in the lower 80s. Temperatures falling into the mid 70s late. Northeast Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 10 May Collin

Mostly cloudy with a chance of Thunderstorms. Showers likely this Evening, then a chance of Showers after midnight. Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castlemere Temperature Statistics

May Temperature

Dallas / Addison Airport (5.6 miles)

  • Lowest 2 May, 2026

    53.6 °F

  • Average May

    67 °F

  • Highest 5 May, 2026

    89.6 °F

Climate (2021–Present)

Dallas / Addison Airport (5.6 miles)

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    78.4 °F
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