Altass Weather Forecast

    • 11
    • 16

    Overcast

    • 12
    • 16

    Light rain

    • 10
    • 16

    Heavy rain

    • 11
    • 16

    Cloudy

    • 10
    • 15

    Light rain shower

    • 10
    • 15

    Light rain shower

    • 9
    • 15

    Heavy rain shower

Today 29 May Highlands and Eilian Siar

Some occasional brightness across Caithness and towards Inverness, but generally a cloudy day with outbreaks of rain, persistent and heavy at times across western hills. The rain tending to become lighter and patchier later this afternoon. Occasionally strong southwesterly breeze. Maximum temperature 17 °C.

Tonight 29 May Highlands and Eilian Siar

Cloudy with occasional mainly light rain at first but becoming dry through the evening with some clear spells developing. Cloud increases again overnight with outbreaks of rain later. Winds easing. Minimum temperature 7 °C.

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Altass Temperature Statistics

May Temperature

Loch Glascarnoch Saws (34km)

  • Lowest 10 May, 2026

    -4 °C

  • Average May

    8.1 °C

  • Highest 27 May, 2026

    19.1 °C

Climate (2021–Present)

Loch Glascarnoch Saws (34km)

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  • Average Low 2021–2026

    4 °C

  • Average 2021–2026

    7.7 °C

  • Average High 2021–2026

    11.1 °C
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