PIC: Lough Bray Lower in County Wicklow today.
TRENDS for the week of 14 to 20 May, 2021
-- Temperatures will average 1 to 2 deg below normal values.
-- Rainfall will average near normal to 25 per cent above.
-- Sunshine will average 50 to 75 per cent of normal.
-- Wind speeds will be light to moderate, and wind directions turning more northerly at times.
TONIGHT will be overcast with occasional rain, 5 to 10 mm expected. Lows 6 to 8 C.
SATURDAY will have widespread showers with a few brighter intervals
developing by afternoon, isolated thunderstorms possible in the
midlands. Highs 13 to 16 C.
SUNDAY will have some outbreaks of light rain followed by variable cloud
and showers or patchy drizzle, turning a bit cooler in light northerly
winds, lows 5 to 7 C and highs 12 to 14 C.
MONDAY and TUESDAY will bring variable cloud and a few showers, cool, lows 4 to 6 C and highs 12 to 14 C.
WEDNESDAY and THURSDAY look similar but with some chance of longer sunny
spells developing in a few places, temperatures falling slightly
further at night mostly, lows 2 to 5 C and highs 12 to 14 C.
FRIDAY and SATURDAY then look partly cloudy and cool with lows -1 to +2 C with local frosts returning, and highs around 13 C.
The OUTLOOK is for warmer weather to develop in the final week of May,
with perhaps a return to normal or even slightly above normal
temperatures at times (around 20 C).
Peter for IWO