Black Rock Sanctuary Weather Forecast

    • 56
    • 59

    Rain Showers Likely

    • 59
    • 75

    Rain Showers Likely

    • 61
    • 80

    Mostly Cloudy

    • 62
    • 83

    Mostly Cloudy

    • 55
    • 79

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

Today 24 May Western Chester

Showers with a slight chance of Thunderstorms this Morning, then a chance of Showers this afternoon. Patchy fog. Not as cool with Highs in the lower 60s. East Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 24 May Western Chester

Cloudy. A slight chance of Showers this Evening, then a chance of Showers after midnight. Patchy fog. Near steady temperature in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Rock Sanctuary Temperature Statistics

May Temperature

Pottstown, Pottstown Limerick Airport (6.2 miles)

  • Lowest 4 May, 2026

    37 °F

  • Average May

    61.6 °F

  • Highest 18 May, 2026

    93 °F

Climate (2021–Present)

Pottstown, Pottstown Limerick Airport (6.2 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.6 °F
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