Collinsville Weather Forecast

    • 41
    • 64

    Partly Sunny

    • 43
    • 64

    Partly Sunny

    • 48
    • 60

    Rain Showers

    • 47
    • 65

    Rain Showers

    • 50
    • 69

    Chance Rain Showers

    • 52
    • 74

    Slight Chance Thunderstorms

Today 11 May Hartford

Mostly sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 11 May Hartford

Partly cloudy in the Evening, then clearing. Lows in the lower 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Collinsville Temperature Statistics

May Temperature

Hartford, Hartford-Brainard Airport (14.3 miles)

  • Lowest 3 May, 2026

    41 °F

  • Average May

    55.1 °F

  • Highest 5 May, 2026

    78.1 °F

Climate (2021–Present)

Hartford, Hartford-Brainard Airport (14.3 miles)

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  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    63.2 °F
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