Guernsey Weather Forecast

    • 67
    • 83

    Rain Showers Likely

    • 67
    • 85

    Rain Showers

    • 57
    • 82

    Chance Rain Showers

    • 57
    • 79

    Mostly Sunny

    • 61
    • 80

    Partly Sunny

    • 63
    • 82

    Slight Chance Thunderstorms

Today 20 Jul Adams

Sunny. Highs in the lower 80s. South Winds around 5 Mph.

Tonight 20 Jul Adams

Partly cloudy this Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Not as cool with Lows in the upper 60s. South Winds around 5 Mph. Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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Guernsey Temperature Statistics

July Temperature

York, York Airport (18.6 miles)

  • Lowest 13 July, 2026

    59 °F

  • Average July

    77.9 °F

  • Highest 2 July, 2026

    99 °F

Climate (2021–2026)

York, York Airport (18.6 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    65.2 °F
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