Connemara Detailed Forecast for Mon 18 May 2026

A grey, damp day across Connemara with dense overcast developing through the
morning and light rain spreading from west to east during the afternoon.
Temperatures will struggle, reaching only 11-13?C in most areas. The day starts
misty with patchy light fog in valleys and along the coast, gradually lifting
through mid-morning. Southeast winds will strengthen through the day, becoming
fresh to strong by afternoon with gusts reaching 35-42 kph, particularly in
exposed coastal areas. Drizzle will develop from late morning, turning to light
rain by mid-afternoon, most persistent across western districts.

After dark, rain will become more widespread and heavier, especially after
midnight. Cloud will thicken further with patchy light fog redeveloping in rain.
Temperatures will hold steady around 9-11?C overnight with southeast winds
remaining brisk, though gradually easing toward dawn. The wettest conditions are
expected across western coastal areas from Renvyle to Cleggan, where rainfall
totals may reach 5-6mm. Eastern inland areas around Oughterard will see lighter
amounts, around 4-5mm. Visibility will be poor in rain and mist.

00-06: Mostly cloudy with patchy light fog and drizzle developing. Temperatures
6-8?C rising slowly. Light to moderate southeast winds increasing.
07-12: Cloudy to overcast with drizzle spreading, becoming light rain late
morning. Temperatures rising to 9-11?C. Southeast winds strengthening, fresh to
strong.
13-18: Dense overcast with light rain becoming widespread. Temperatures reaching
11-13?C then holding steady. Strong southeast winds gusting 31-42 kph.
19-00: Overcast with light rain continuing, locally moderate. Patchy light fog.
Temperatures 9-11?C. Southeast winds easing slightly overnight.

Cleggan: Dense overcast developing through morning, light rain from afternoon
becoming more persistent evening. High 12?C. Fresh to strong southeast winds
gusting to 38 kph.
Clifden: Overcast with drizzle from late morning turning to light rain
afternoon. Patchy light fog clearing then redeveloping evening. High 12?C.
Strong southeast winds gusting to 36 kph.
Glinsce: Dense overcast with light rain spreading during afternoon, persistent
evening and night. Patchy light fog. High 13?C. Southeast winds strengthening,
gusting to 39 kph.
Kylemore: Cloudy becoming overcast, drizzle developing midday turning to light
rain afternoon. Patchy light fog valleys. High 12?C. Southeast winds increasing
to strong, gusting 35 kph.
Leenane: Dense overcast with light rain from afternoon onward. Patchy light fog
in morning and evening. High 12?C. Southeast winds strengthening through day,
gusting to 31 kph.
Letterfrack: Overcast with drizzle mid-morning becoming light rain by afternoon.
Patchy light fog clearing then returning evening. High 13?C. Southeast winds
fresh to strong, gusting 38 kph.
Oughterard: Cloudy becoming dense overcast, drizzle from late morning turning to
light rain afternoon and evening. Patchy light fog. High 12?C. Southeast winds
increasing, gusting 31 kph.
Renvyle: Dense overcast developing morning with light rain from afternoon,
locally moderate evening. Patchy light fog coastal areas. High 13?C. Strong
southeast winds gusting to 40 kph.

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