Ratoran Weather Forecast

    • 3
    • 11

    Heavy rain

    • 10
    • 14

    Cloudy

    • 10
    • 15

    Heavy rain

    • 10
    • 16

    Light rain

    • 12
    • 18

    Light rain

    • 10
    • 18

    Light rain shower

    • 11
    • 18

    Cloudy

Today 17 May Northern Ireland

Bright spells and showers, the best of the brightness across Counties Antrim and Down during the morning. The showers could be heavy, perhaps the odd rumble of thunder. Maximum temperature 13 °C.

Tonight 17 May Northern Ireland

Cloudy this evening with rain or showers, occasionally heavy with the odd rumble of thunder. Most showers clear through the night, followed by patchy mist and fog developing. Minimum temperature 4 °C.

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Ratoran Temperature Statistics

May Temperature

Castlederg (37km)

  • Lowest 6 May, 2026

    -1.5 °C

  • Average May

    9.2 °C

  • Highest 1 May, 2026

    18.2 °C

Climate (2021–Present)

Castlederg (37km)

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  • Average Low 2021–2026

    6.2 °C

  • Average 2021–2026

    9.9 °C

  • Average High 2021–2026

    13.6 °C
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