Site Update (May 1st 2013): All weather maps have been improved to make them much more useful for climbers. Animate either temperature or weather and move your cursor to any mountain location to see how the weather is forecast to evolve at various elevations. Because of the limited space on these large region maps, we can only show this at a subset of locations. We will add much more detailed maps very soon.
| Forecasts: |
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See 9 day forecast 
Weather Forecast Issued (local time):
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| Days 0-3 Slieve Donard Weather Summary: Moderate rain (total 10mm), heaviest on Sat afternoon. Very mild (max 15°C on Mon afternoon, min 7°C on Mon night). Winds increasing (calm on Sun afternoon, strong winds from the NNW by Mon night). | Days 3-6 Slieve Donard Weather Summary: Mostly dry. Very mild (max 14°C on Tue afternoon, min 6°C on Wed night). Winds increasing (light winds from the WNW on Wed morning, strong winds from the NNW by Thu night). | |||||||||||||||||
| Sat | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Fri | ||||||||||||
| PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | |
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Wind (km/h) |
 15 |
10 |
5 |
5 |
10 |
25 |
25 |
40 |
35 |
30 |
30 |
15 |
25 |
35 |
35 |
35 |
35 |
25 |
| Summary | mod. rain | rain shwrs | some clouds | clear | clear | some clouds | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | clear | clear | clear |
| Snow (cm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Rain (mm) | 8 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| High °C | 10 | 10 | 12 | 14 | 14 | 14 | 15 | 10 | 13 | 14 | 9 | 13 | 13 | 10 | 11 | 12 | 8 | 12 |
| Low °C | 9 | 9 | 11 | 14 | 10 | 12 | 13 | 7 | 10 | 12 | 7 | 10 | 13 | 6 | 9 | 10 | 6 | 9 |
| Chill °C | 9 | 10 | 11 | 14 | 14 | 12 | 13 | 6 | 10 | 12 | 5 | 11 | 11 | 6 | 8 | 9 | 3 | 10 |
| Freezing level (m) | 2350 | 2350 | 3050 | 3200 | 3250 | 3150 | 3150 | 3150 | 2850 | 2650 | 2550 | 2200 | 2150 | 2150 | 1450 | 1550 | 1850 | 2000 |
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| Sunrise | - | - | 5:13 | - | - | 5:11 | - | - | 5:09 | - | - | 5:09 | - | - | 5:07 | - | - | 5:05 |
| Sunset | 21:25 | - | - | 21:27 | - | - | 21:29 | - | - | 21:30 | - | - | 21:31 | - | - | 21:34 | - | - |
This table gives the weather forecast for Slieve Donard at the specific elevation of 0 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Slieve Donard. To see the weather forecasts for the other elevations, use the tab navigation above the table.
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