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Thunderstorms and heatwave conditions
Thunderstorm warnings continue across much of the UK until Monday, 17th August, with a risk of impacts from heavy rain, flash flooding, lightning and hail.
Read morePortglenone (County Antrim) weather
Find a forecast
Forecast days
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Today. Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius. Overcast changing to sunny in the afternoon. Sunrise: 06:02; Sunset: 20:57. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Sunday 16 August. Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius. Overcast changing to sunny intervals in the afternoon. Sunrise: 06:04; Sunset: 20:55. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Monday 17 August. Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius. Overcast. Sunrise: 06:06; Sunset: 20:53. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Tuesday 18 August. Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius. Overcast changing to light showers by lunchtime. Sunrise: 06:07; Sunset: 20:50. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Wednesday 19 August. Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius. Cloudy changing to sunny intervals by lunchtime. Sunrise: 06:09; Sunset: 20:48. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Thursday 20 August. Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius. Heavy rain changing to sunny intervals by lunchtime. Sunrise: 06:11; Sunset: 20:46. UV: Moderate;
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Friday 21 August. Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius. Cloudy changing to light showers by late morning. Sunrise: 06:13; Sunset: 20:43. UV: High;
Seven day forecast for Portglenone
Today (15 August 2020)
| Time | Now | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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| Chance of precipitation | 10% | 10% | 10% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
| Temperature (°C) |
15°
|
16°
|
18°
|
19°
|
20°
|
21°
|
22°
|
22°
|
22°
|
21°
|
21°
|
20°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) | 15° | 16° | 19° | 20° | 20° | 21° | 21° | 21° | 21° | 21° | 21° | 20° | 19° | 17° | 17° |
| Wind direction and speed (miles per hour) |
NNW
4
|
NNW
2
|
SE
4
|
SE
6
|
SE
7
|
SE
7
|
SE
6
|
SE
8
|
SE
7
|
SE
7
|
SE
6
|
SE
4
|
ESE
5
|
ESE
5
|
E
5
|
| Wind gust (miles per hour) | 5 | 4 | 6 | 9 | 10 | 10 | 9 | 11 | 11 | 11 | 10 | 9 | 8 | 9 | 7 |
| Visibility | M | M | G | G | G | G | G | G | G | VG | VG | G | G | G | G |
| Humidity | 97% | 96% | 88% | 82% | 78% | 76% | 72% | 70% | 69% | 71% | 74% | 81% | 84% | 87% | 86% |
| UV | 2 | 3 | 3 | 4 | 5 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | - | - | - |
Sunday (16 August 2020)
| Time | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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| Chance of precipitation | <5% | <5% | <5% | 10% | 10% | <5% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | 10% | <5% | <5% | <5% | 10% | 10% | 10% | 10% | 10% | 10% |
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
19°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
| Feels like temperature (°C) | 17° | 16° | 17° | 16° | 16° | 15° | 15° | 15° | 15° | 16° | 16° | 16° | 17° | 17° | 18° | 18° | 18° | 18° | 18° | 18° | 17° | 17° | 16° | 16° |
| Wind direction and speed (miles per hour) |
E
3
|
NE
3
|
NE
3
|
ENE
4
|
ENE
3
|
E
5
|
E
5
|
E
5
|
E
6
|
E
5
|
E
7
|
E
7
|
E
6
|
ESE
7
|
ESE
6
|
E
6
|
E
7
|
E
7
|
E
7
|
E
6
|
E
5
|
ENE
4
|
ENE
4
|
ENE
4
|
| Wind gust (miles per hour) | 6 | 6 | 7 | 8 | 7 | 10 | 12 | 11 | 10 | 9 | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 13 | 12 | 10 | 9 | 9 | 7 | 8 |
| Visibility | G | G | G | G | G | G | G | G | G | G | G | G | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | G | G |
| Humidity | 88% | 90% | 89% | 91% | 93% | 90% | 91% | 91% | 89% | 87% | 84% | 83% | 79% | 78% | 76% | 76% | 75% | 76% | 77% | 79% | 82% | 84% | 87% | 88% |
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 3 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | - | - | - |
Monday (17 August 2020)
| Time | 00:00 | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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| Chance of precipitation | 10% | 10% | 10% | 20% | 10% | 10% | 10% | 20% | 10% |
| Temperature (°C) |
16°
|
15°
|
15°
|
15°
|
16°
|
18°
|
18°
|
18°
|
16°
|
| Feels like temperature (°C) | 16° | 16° | 15° | 15° | 16° | 17° | 18° | 18° | 16° |
| Wind direction and speed (miles per hour) |
ENE
4
|
ENE
3
|
ENE
4
|
ENE
4
|
ENE
5
|
E
6
|
ENE
6
|
ENE
5
|
ENE
3
|
| Wind gust (miles per hour) | 8 | 7 | 8 | 7 | 10 | 12 | 12 | 11 | 6 |
| Visibility | G | G | G | G | G | G | G | VG | G |
| Humidity | 90% | 91% | 92% | 92% | 88% | 83% | 82% | 83% | 93% |
| UV | - | - | - | 1 | 2 | 4 | 3 | 1 | - |
Tuesday (18 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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| Chance of precipitation | 20% | 20% | 20% | 20% | 40% | 60% | 60% | 10% |
| Temperature (°C) |
15°
|
15°
|
15°
|
17°
|
18°
|
19°
|
18°
|
15°
|
| Feels like temperature (°C) | 16° | 15° | 15° | 17° | 18° | 19° | 18° | 15° |
| Wind direction and speed (miles per hour) |
NE
2
|
ESE
2
|
WNW
3
|
WSW
4
|
SW
5
|
WNW
6
|
NW
6
|
NNW
4
|
| Wind gust (miles per hour) | 4 | 4 | 5 | 9 | 12 | 13 | 12 | 8 |
| Visibility | G | M | M | G | G | G | G | G |
| Humidity | 96% | 97% | 97% | 90% | 85% | 81% | 84% | 94% |
| UV | - | - | 1 | 2 | 4 | 3 | 1 | - |
Wednesday (19 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
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|
| Chance of precipitation | <5% | 10% | 10% | 10% | 10% | 20% | 20% | 20% |
| Temperature (°C) |
14°
|
14°
|
14°
|
16°
|
19°
|
19°
|
18°
|
16°
|
| Feels like temperature (°C) | 14° | 14° | 14° | 16° | 17° | 16° | 15° | 14° |
| Wind direction and speed (miles per hour) |
NW
4
|
SW
4
|
ESE
4
|
SE
7
|
SSE
11
|
SE
14
|
SE
14
|
SE
13
|
| Wind gust (miles per hour) | 7 | 6 | 7 | 14 | 22 | 27 | 26 | 25 |
| Visibility | G | M | M | G | VG | G | G | G |
| Humidity | 96% | 96% | 96% | 88% | 77% | 77% | 83% | 92% |
| UV | - | - | 1 | 2 | 4 | 3 | 1 | - |
Thursday (20 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
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| Chance of precipitation | 50% | 80% | 70% | 40% | 20% | 40% | 40% | 10% |
| Temperature (°C) |
16°
|
16°
|
15°
|
17°
|
18°
|
18°
|
18°
|
16°
|
| Feels like temperature (°C) | 14° | 14° | 13° | 14° | 15° | 15° | 15° | 13° |
| Wind direction and speed (miles per hour) |
SE
14
|
SSE
14
|
SSE
13
|
S
16
|
S
18
|
S
18
|
S
15
|
S
15
|
| Wind gust (miles per hour) | 27 | 27 | 25 | 30 | 34 | 35 | 29 | 27 |
| Visibility | G | M | G | G | G | G | VG | G |
| Humidity | 92% | 93% | 93% | 86% | 76% | 75% | 80% | 87% |
| UV | - | - | 1 | 3 | 4 | 3 | 1 | - |
Friday (21 August 2020)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | 10% | 20% | 20% | 40% | 40% | 50% | 40% | 20% |
| Temperature (°C) |
15°
|
15°
|
15°
|
16°
|
18°
|
18°
|
17°
|
15°
|
| Feels like temperature (°C) | 13° | 12° | 12° | 13° | 14° | 15° | 14° | 13° |
| Wind direction and speed (miles per hour) |
S
14
|
S
15
|
S
15
|
S
17
|
SSW
18
|
SSW
17
|
SSW
15
|
SSW
14
|
| Wind gust (miles per hour) | 27 | 28 | 29 | 33 | 35 | 34 | 29 | 27 |
| Visibility | G | G | G | G | G | G | G | G |
| Humidity | 89% | 90% | 91% | 86% | 77% | 76% | 79% | 86% |
| UV | - | - | 1 | 2 | 6 | 3 | 1 | - |
Northern Ireland weather forecast
Headline:
Long spells of warm sunshine developing
Today:
Overnight low cloud, mist and patchy fog soon clearing with long spells of warm or very warm sunshine developing. Risk of isolated shower in south later. Highest temperatures in west with coasts cooler due to the light easterly winds. Maximum temperature 25 °C.
Tonight:
Any showers in the south soon dying out otherwise a fine evening with some late sunshine. Patchy low cloud, mist and fog developing again overnight. Minimum temperature 12 °C.
Sunday:
A rather cloudy start with patchy mist and fog but becoming brighter with sunny spells developing, although cooler than of later. A few showers are possible across southern counties. Maximum temperature 21 °C.
Outlook for Monday to Wednesday:
Rather unsettled with showers or longer spells of rain, these occasionally heavy and thundery, especially on Tuesday. Drier and brighter for a time on Wednesday.
Updated:
UK long range weather forecast
The beginning of this period is likely to be generally unsettled with showers and longer spells of rain at times, potentially becoming heavy in places. There is also a chance that there could be some further thundery weather, although this would most likely be confined towards the east and southeast of the UK. It is likely to be windier than of late, especially in the south and west where there is also a risk of gales. Temperatures should start rather warm for many, despite the spells of unsettled weather. However, temperatures may cool slightly by the end of this period with freshening winds from the northwest likely to create a more widespread risk of gales.
Updated:
Although confidence is low for this period, it is likely that conditions will become more changeable with drier and brighter days interspersed with periods of rain and strengthening winds. Temperatures should be around the average for this time of year. Towards the end of this period, there are some tentative signs that high pressure could begin to dominate, especially across the south of the UK, with a return to more settled conditions.
Updated:
