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Mourne Mountains

Confidence

High confidence for rain clearing westwards tomorrow then fine and settled conditions through the coming week.

  • This evening
  • Monday
  • Tuesday
  • Further outlook

Sunday 20 May 2018

Sunrise: 05:13   Sunset: 21:29
Moon phase: Waxing crescent

Cloudy with outbreaks of rain. Strong southerly winds.

Monday 21 May 2018

Weather hazards

No likelihood of weather hazards for Mourne Mountains are forecast.

Headline

Morning rain but drier and brighter in the afternoon.

Weather at 700m

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Light rain Heavy rain Light rain Light rain Light rain Cloudy Sunny intervals Sunny intervals
70% 90% 80% 70% 60% 40% 20% 10%
Chance of precipitation
3,200 3,000 2,600 2,400 2,000 2,000 1,800 1,700
Freezing level (m)
The level above which snow is expected to settle or the ground is expected to be frozen

Wind speed and direction (mph) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
600m S 25 32 S 25 32 S 17 22 S 15 20 S 7 11 NW 10 16 N 17 25 N 21 29
300m S 11 19 S 11 19 S 7 11 SW 5 11 SW 4 8 NW 8 13 N 14 23 N 15 25
Valley S 8 15 S 7 14 S 4 8 SW 2 8 SE 2 7 NW 8 14 N 13 23 N 14 25

Temperature (°C) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
600m 8 8 8 8 10 9 7 5
300m 9 9 9 10 12 12 10 7
Valley 10 10 10 10 12 12 11 8

Feels like temperature (°C) By altitude above mean sea level

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
600m 3 3 4 5 8 7 3 0
300m 7 7 8 9 12 10 7 4
Valley 8 8 9 10 12 11 8 5
Sunrise: 05:12   Sunset: 21:30
Moon phase: First quarter

Weather

Cloudy overnight with outbreaks of occasionally heavy rain. The rain becomes lighter and patchier through the morning before dying out around mid-afternoon with cloud lifting and breaking. Some late afternoon and evening sunny spells are possible.

Chance of cloud-free mountain/hill tops at 700m

little chance overnight and through the morning with periods or persistent cloud above about 450m with patches below, gradually becoming around 60% by later afternoon with occasional cloud above about 600m.

Visibility

Good falling to just a few kilometres in heavier rain.

Meteorologist's view

Valley temperatures may reach 16 or 17 Celsius by day.

Tuesday 22 May 2018

Sunrise: 05:10   Sunset: 21:32
Moon phase: First quarter

Weather

Rather cloudy overnight but cloud lifting and breaking to leave some warm and increasingly long spells of sunshine for the afternoon and evening.

Maximum wind speed expected

Northwesterly gradually becoming more northeasterly at 15mph or less.

Chance of cloud-free mountain/hill tops at 700m

Around 25% at dawn with periods around 450m but becoming more than 90% by late afternoon as cloud breaks and lifts above the summits.

Temperature

  • At 700m Plus 5 Celsius rising to 11 Celsius
  • Valley Around 5 Celsius at dawn rising to plus 18 Celsius by mid-afternoon.
  • Freezing level Above the summits.

Visibility

Good becoming very good.

Wednesday 23 May 2018

Sunrise: 05:09   Sunset: 21:33
Moon phase: First quarter

Dry and mostly sunny. Mainly light easterly winds. Freezing level above the summits.

Thursday 24 May 2018

Sunrise: 05:07   Sunset: 21:35
Moon phase: First quarter

Remaining dry and with almost unbroken sunshine. Moderate easterly winds. Freezing level above the summits.

Friday 25 May 2018

Sunrise: 05:06   Sunset: 21:36
Moon phase: Waxing gibbous

Another dry day with long spells of warm sunshine. Occasionally fresh northeasterly winds. Freezing level above the summits.

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