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Read morePortstewart (County Londonderry) weather
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Forecast days
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Today. Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius. Overcast changing to sunny intervals by late morning. Sunrise: 04:46; Sunset: 22:10. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Saturday 19 June. Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius. Cloudy. Sunrise: 04:46; Sunset: 22:11. UV: High; Pollution: Low; Pollen: Moderate.
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Sunday 20 June. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius. Light rain changing to cloudy by late morning. Sunrise: 04:46; Sunset: 22:11. UV: Moderate; Pollution: Low; Pollen: Low.
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Monday 21 June. Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius. Light showers changing to overcast by lunchtime. Sunrise: 04:46; Sunset: 22:11. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Tuesday 22 June. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius. Cloudy changing to sunny intervals in the afternoon. Sunrise: 04:46; Sunset: 22:11. UV: High; No pollen data.
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Wednesday 23 June. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius. Cloudy. Sunrise: 04:46; Sunset: 22:11. UV: Moderate;
Six day forecast for Portstewart
Today (18 June 2021)
| Time | Now | 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% | 10% | <5% | <5% | 10% | 10% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | 10% | <5% | <5% | <5% | <5% | <5% | <5% |
| Temperature in degrees Celsius |
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
10°
|
9°
|
| Feels like temperature in degrees Celsius | 8° | 8° | 8° | 8° | 9° | 9° | 9° | 9° | 10° | 10° | 11° | 11° | 11° | 11° | 11° | 10° | 10° | 10° | 10° | 9° | 9° | 8° | 8° |
| Wind direction and speed in miles per hour |
NNW
13
|
NW
13
|
NNW
14
|
NNW
11
|
NNW
10
|
NNW
9
|
NNW
10
|
NNW
9
|
NNW
9
|
N
8
|
N
7
|
N
7
|
N
7
|
N
8
|
N
8
|
N
9
|
N
10
|
N
10
|
N
10
|
N
10
|
N
10
|
NNE
9
|
NNE
8
|
| Wind gust in miles per hour | 17 | 17 | 17 | 13 | 12 | 12 | 13 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 14 | 14 | 14 | 15 | 14 | 13 | 12 | 11 |
| Visibility | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E |
| Humidity | 77% | 72% | 71% | 69% | 67% | 65% | 66% | 62% | 60% | 57% | 56% | 56% | 56% | 55% | 55% | 56% | 58% | 59% | 61% | 63% | 65% | 68% | 71% |
| UV | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - |
Saturday (19 June 2021)
| 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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|
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| Chance of precipitation | <5% | <5% | 10% | 10% | <5% | <5% | <5% | <5% | 10% |
| Temperature in degrees Celsius |
9°
|
9°
|
8°
|
10°
|
12°
|
16°
|
17°
|
16°
|
13°
|
| Feels like temperature in degrees Celsius | 7° | 7° | 7° | 9° | 12° | 14° | 15° | 14° | 12° |
| Wind direction and speed in miles per hour |
NNE
7
|
NNE
6
|
NE
4
|
E
3
|
E
4
|
ESE
8
|
SE
10
|
SE
11
|
ESE
9
|
| Wind gust in miles per hour | 9 | 8 | 6 | 5 | 8 | 14 | 18 | 18 | 16 |
| Visibility | E | E | E | E | VG | VG | VG | VG | VG |
| Humidity | 74% | 77% | 78% | 73% | 64% | 54% | 50% | 55% | 71% |
| UV | - | - | - | 1 | 4 | 6 | 4 | 1 | 1 |
Sunday (20 June 2021)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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|
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| Chance of precipitation | 10% | 50% | 40% | 10% | 10% | 10% | 10% | 20% |
| Temperature in degrees Celsius |
12°
|
12°
|
13°
|
14°
|
14°
|
15°
|
14°
|
12°
|
| Feels like temperature in degrees Celsius | 11° | 11° | 11° | 12° | 13° | 13° | 12° | 10° |
| Wind direction and speed in miles per hour |
ESE
7
|
ESE
7
|
ESE
8
|
E
9
|
E
10
|
E
9
|
NE
10
|
NE
9
|
| Wind gust in miles per hour | 13 | 14 | 16 | 17 | 19 | 17 | 18 | 16 |
| Visibility | VG | M | M | G | G | G | VG | G |
| Humidity | 83% | 88% | 87% | 80% | 72% | 70% | 73% | 86% |
| UV | - | - | 1 | 2 | 3 | 3 | 1 | 1 |
Monday (21 June 2021)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | 10% | 40% | 30% | 50% | 20% | 20% | 10% | 10% |
| Temperature in degrees Celsius |
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
11°
|
| Feels like temperature in degrees Celsius | 10° | 9° | 9° | 9° | 10° | 10° | 10° | 9° |
| Wind direction and speed in miles per hour |
NE
8
|
NNE
9
|
NNE
11
|
NNE
14
|
N
14
|
N
14
|
N
14
|
NNW
12
|
| Wind gust in miles per hour | 15 | 17 | 21 | 25 | 27 | 26 | 25 | 19 |
| Visibility | M | M | G | G | G | VG | VG | VG |
| Humidity | 88% | 88% | 88% | 81% | 77% | 74% | 74% | 83% |
| UV | - | - | 1 | 3 | 4 | 3 | 1 | 1 |
Tuesday (22 June 2021)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | 10% | 10% | 10% | 10% | 10% | 10% | 10% | <5% |
| Temperature in degrees Celsius |
10°
|
10°
|
11°
|
12°
|
13°
|
14°
|
13°
|
11°
|
| Feels like temperature in degrees Celsius | 8° | 8° | 9° | 10° | 11° | 11° | 11° | 10° |
| Wind direction and speed in miles per hour |
NW
11
|
NNW
11
|
NNW
12
|
NNW
12
|
NNW
11
|
NNW
11
|
N
10
|
N
8
|
| Wind gust in miles per hour | 19 | 19 | 20 | 22 | 23 | 23 | 19 | 13 |
| Visibility | VG | VG | VG | VG | VG | VG | VG | VG |
| Humidity | 87% | 88% | 83% | 70% | 67% | 67% | 70% | 83% |
| UV | - | - | 1 | 3 | 6 | 4 | 1 | 1 |
Wednesday (23 June 2021)
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
| Chance of precipitation | 10% | 10% | 10% | 10% | 20% | 20% | 20% | 20% |
| Temperature in degrees Celsius |
10°
|
11°
|
11°
|
13°
|
14°
|
15°
|
15°
|
14°
|
| Feels like temperature in degrees Celsius | 9° | 9° | 9° | 11° | 13° | 13° | 13° | 12° |
| Wind direction and speed in miles per hour |
WSW
7
|
WSW
8
|
SW
9
|
WSW
10
|
WSW
9
|
NNW
10
|
NW
9
|
NW
8
|
| Wind gust in miles per hour | 13 | 15 | 16 | 19 | 20 | 20 | 18 | 15 |
| Visibility | VG | VG | G | G | G | G | G | G |
| Humidity | 88% | 82% | 81% | 77% | 74% | 75% | 79% | 86% |
| UV | - | - | 1 | 3 | 4 | 3 | 1 | 1 |
Northern Ireland weather forecast
Headline:
Clear spells tonight. Sunny spells on Friday.
This Evening and Tonight:
A rather cloudy start to the evening with some showers in the east. These soon die out with some late sunshine developing. Then dry and largely clear overnight. Chilly, especially in rural areas. Minimum temperature 3 °C.
Friday:
A chilly start to a dry and bright day with some long spells of sunshine, although western parts may see a little more cloud at times. Light winds. Maximum temperature 17 °C.
Outlook for Saturday to Monday:
Bright, especially in west, Saturday with a few showers in east. Cloudier and more unsettled through Sunday and Monday with outbreaks of rain.
Updated:
UK long range weather forecast
Unsettled conditions are likely to continue at the start of this period, with a mixture of sunny spells and scattered heavy showers, and a risk of thunder and perhaps hail. Longer spells of rain are also possible in the north and west. Atlantic air then looks likely to spread across the country from the west through the week, bringing a change to cooler and more changeable conditions. This will likely bring spells of rain or showers interspersed with periods of dry weather and sunny spells. The driest and brightest conditions are likely in the southeast, though further showers or thunderstorms are possible here. Temperatures are likely to recover to near normal by the end of the month.
Updated:
Confidence is low through this period due to mixed and weak signals, but models suggest that usual summertime conditions are most probable. We are likely to see periods of dry, settled and warm weather interspersed with occasional days of thicker cloud, rain and stronger winds. Temperatures are likely to be close to average nationally. Southeastern areas may see some warm or very warm conditions at times, but these probably balanced out by cooler interludes moving in from the west. Overall, rainfall accumulations are expected to be close to average for the time of the year. Whilst southeastern areas may see fewer spells of persistent rain, thunderstorms may develop during warmer periods.
Updated:
Nearest forecasts
- Portrush (Beach) 2.6 miles
- Portrush - Mill (West) Strand (Beach) 2.8 miles
- Portrush 2.9 miles
- Portrush (Coleraine) 2.9 miles
- Portstewart (The Strand)(Beach) 3.0 miles
- Guy L. Wilson Daffodil Garden 3.3 miles
- Hezlett House (NT) 3.4 miles
- Coleraine 3.6 miles
- Royal Portrush Golf Club 3.8 miles
- Magilligan Strand, Benone (Beach) 4.1 miles