Castlemere Weather Forecast

    • 72
    • 92

    Increasing Clouds

    • 75
    • 94

    Partly Sunny

    • 76
    • 96

    Slight Chance Thunderstorms

    • 76
    • 96

    Mostly Cloudy

    • 72
    • 93

    Chance Rain Showers

    • 67
    • 87

    Chance Rain Showers

Today 25 Sep Collin

Mostly sunny. Highs in the lower 90s. East Winds 5 to 10 Mph.

Tonight 25 Sep Collin

Partly cloudy. Lows in the upper 60s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castlemere Temperature Statistics

September Temperature

Dallas / Addison Airport (5.6 miles)

  • Lowest 22 September, 2026

    75.2 °F

  • Average September

    87.6 °F

  • Highest 1 September, 2026

    100.4 °F

Climate (2021–2026)

Dallas / Addison Airport (5.6 miles)

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  • Average Low 2021–2026

    60.5 °F

  • Average 2021–2026

    68.2 °F

  • Average High 2021–2026

    78.9 °F
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