Collinsville Weather Forecast

    • 68
    • 86

    Smoke

    • 68
    • 86

    Rain Showers

    • 60
    • 81

    Mostly Sunny

    • 66
    • 83

    Partly Sunny

    • 68
    • 86

    Rain Showers Likely

    • 61
    • 83

    Slight Chance Thunderstorms

Today 17 Jul York

Partly sunny. Smoke. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 17 Jul York

Mostly cloudy. Smoke. Lows in the upper 60s. South Winds around 5 Mph.

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Collinsville Temperature Statistics

July Temperature

Lancaster, Lancaster Airport (19.9 miles)

  • Lowest 13 July, 2026

    63 °F

  • Average July

    78.4 °F

  • Highest 2 July, 2026

    102.9 °F

Climate (2021–2026)

Lancaster, Lancaster Airport (19.9 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.1 °F
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