TRENDS for the week of 20 to 26 April 2021 --
-- Temperatures will average about 1 deg below normal values.
-- Rainfall will be rather slight, 10 per cent of normal values.
-- Sunshine will improve after today and may reach 25 to 50 per cent above normal.
-- Wind speeds will continue to be quite low, averages of only 15 to 30 km/hr.
FORECASTS
TONIGHT will become partly cloudy and rather chilly with a risk of ground frost in a few spots, lows -1 to +3 C.
WEDNESDAY will be sunny with cloudy intervals, and a rather cool
easterly breeze in Leinster and east Ulster, highs there only 10 to 13
C. Further west, a bit warmer with highs 13 to 16 C.
THURSDAY and FRIDAY are looking quite pleasant with sunshine and near
average temperatures, although nights could be a bit cool with lows 1 to
4 C. Highs both days 12 to 17 C, warmer readings central counties to
locations near the west coast.
SATURDAY may continue mostly sunny with some risk of cloud spreading in to some parts of the south and east, highs near 15 C.
Around SUNDAY or MONDAY, timing somewhat uncertain because of the
sluggish nature of the pattern, a cooler northeasterly flow will push in
and eventually temperatures will be back down around 10-13 C daytime
readings. This cooler spell may eventually become more unsettled, around
the end of the month, with rainfalls returning to the mix.
Peter for IWO