Porthmadog (Gwynedd) weather
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Forecast days
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Today. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius. Sunny intervals changing to cloudy by early evening. Sunrise: 06:10; Sunset: 20:23. UV: Moderate; Pollution: Moderate; Pollen: High.
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Tuesday 20 April. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Cloudy. Sunrise: 06:08; Sunset: 20:24. UV: Moderate; Pollution: Low; Pollen: High.
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Wednesday 21 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius. Sunny. Sunrise: 06:05; Sunset: 20:26. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Thursday 22 April. Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius. Sunny. Sunrise: 06:03; Sunset: 20:28. UV: Moderate; Pollution: Low; Pollen: Moderate.
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Friday 23 April. Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius. Sunny. Sunrise: 06:01; Sunset: 20:30. UV: Moderate; Pollution: Low; Pollen: High.
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Saturday 24 April. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius. Sunny. Sunrise: 05:59; Sunset: 20:32. UV: Moderate;
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Sunday 25 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius. Sunny changing to partly cloudy by nighttime. Sunrise: 05:57; Sunset: 20:33. UV: Moderate;
Seven day forecast for Porthmadog
| Time | Now | 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% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
| Temperature in degrees Celsius |
5°
|
7°
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9°
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11°
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11°
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12°
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12°
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12°
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13°
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13°
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13°
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13°
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12°
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11°
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9°
|
8°
|
8°
|
| Feels like temperature in degrees Celsius | 3° | 6° | 9° | 11° | 11° | 11° | 11° | 11° | 12° | 12° | 12° | 12° | 11° | 10° | 9° | 8° | 7° |
| Wind direction and speed in miles per hour |
ENE
6
|
ENE
5
|
E
4
|
ESE
2
|
SSW
4
|
SW
5
|
SW
5
|
SW
5
|
WSW
5
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WSW
5
|
WSW
5
|
W
5
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WNW
5
|
NNW
5
|
NE
3
|
ENE
2
|
E
2
|
| Wind gust in miles per hour | 7 | 7 | 6 | 4 | 6 | 8 | 9 | 8 | 8 | 8 | 8 | 7 | 8 | 6 | 5 | 4 | 4 |
| Visibility | G | G | G | G | VG | VG | VG | VG | VG | VG | VG | VG | VG | G | G | G | G |
| Humidity | 82% | 73% | 65% | 59% | 58% | 58% | 58% | 58% | 54% | 53% | 57% | 58% | 62% | 68% | 79% | 84% | 86% |
| UV | 1 | 1 | 2 | 3 | 3 | 4 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - |
| 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% | <5% | <5% | 10% | <5% | <5% | <5% | 10% | 10% | 10% | <5% | 10% | 10% | <5% | 10% | <5% | <5% | 10% | 10% | <5% | <5% | 10% |
| Temperature in degrees Celsius |
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
10°
|
11°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
13°
|
12°
|
12°
|
10°
|
9°
|
9°
|
8°
|
| Feels like temperature in degrees Celsius | 7° | 7° | 7° | 7° | 6° | 7° | 7° | 7° | 9° | 10° | 11° | 11° | 12° | 12° | 12° | 12° | 12° | 12° | 11° | 10° | 9° | 8° | 7° | 7° |
| Wind direction and speed in miles per hour |
ENE
3
|
NE
3
|
ENE
3
|
NE
4
|
NE
5
|
NE
4
|
NNE
4
|
NE
4
|
NE
3
|
NE
2
|
W
3
|
SE
4
|
W
4
|
W
5
|
WNW
6
|
NNW
8
|
N
8
|
N
8
|
NNE
7
|
NE
6
|
NE
6
|
NE
6
|
NNE
6
|
NNE
6
|
| Wind gust in miles per hour | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 7 | 9 | 10 | 13 | 14 | 12 | 13 | 11 | 11 | 10 | 10 | 9 |
| Visibility | G | G | G | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG |
| Humidity | 83% | 80% | 79% | 77% | 76% | 74% | 74% | 76% | 71% | 68% | 65% | 64% | 62% | 60% | 59% | 58% | 57% | 60% | 61% | 64% | 69% | 73% | 77% | 80% |
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - |
| 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 | <5% | <5% | <5% | <5% | <5% | <5% | 10% | <5% | <5% |
| Temperature in degrees Celsius |
8°
|
7°
|
6°
|
7°
|
10°
|
12°
|
12°
|
10°
|
7°
|
| Feels like temperature in degrees Celsius | 6° | 6° | 5° | 4° | 7° | 9° | 9° | 8° | 5° |
| Wind direction and speed in miles per hour |
NNE
5
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NNE
5
|
NE
6
|
NE
7
|
ENE
13
|
ENE
13
|
ENE
12
|
NE
10
|
ENE
7
|
| Wind gust in miles per hour | 9 | 9 | 10 | 12 | 23 | 24 | 22 | 18 | 11 |
| Visibility | G | VG | G | VG | VG | VG | VG | VG | VG |
| Humidity | 84% | 83% | 89% | 87% | 72% | 59% | 56% | 60% | 76% |
| UV | - | - | - | 1 | 3 | 5 | 3 | 1 | - |
| 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% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
| Temperature in degrees Celsius |
6°
|
5°
|
5°
|
9°
|
11°
|
13°
|
11°
|
7°
|
| Feels like temperature in degrees Celsius | 4° | 2° | 3° | 7° | 10° | 11° | 10° | 5° |
| Wind direction and speed in miles per hour |
E
7
|
ESE
7
|
ESE
5
|
ESE
6
|
SE
6
|
E
7
|
ENE
7
|
ENE
6
|
| Wind gust in miles per hour | 11 | 10 | 9 | 12 | 15 | 17 | 13 | 9 |
| Visibility | VG | VG | VG | VG | VG | VG | VG | VG |
| Humidity | 79% | 83% | 84% | 59% | 51% | 50% | 58% | 79% |
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
| 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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|
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| Chance of precipitation | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
| Temperature in degrees Celsius |
5°
|
4°
|
5°
|
11°
|
13°
|
14°
|
12°
|
8°
|
| Feels like temperature in degrees Celsius | 3° | 2° | 3° | 9° | 12° | 12° | 10° | 6° |
| Wind direction and speed in miles per hour |
ENE
6
|
ENE
6
|
ENE
6
|
E
6
|
E
8
|
E
10
|
ENE
10
|
ENE
7
|
| Wind gust in miles per hour | 9 | 9 | 9 | 13 | 18 | 20 | 17 | 11 |
| Visibility | VG | VG | VG | VG | VG | VG | VG | VG |
| Humidity | 83% | 83% | 81% | 54% | 48% | 46% | 54% | 76% |
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
| 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% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
| Temperature in degrees Celsius |
6°
|
5°
|
5°
|
10°
|
12°
|
13°
|
11°
|
7°
|
| Feels like temperature in degrees Celsius | 4° | 3° | 3° | 8° | 10° | 10° | 9° | 5° |
| Wind direction and speed in miles per hour |
ENE
7
|
ENE
7
|
ENE
7
|
ENE
8
|
ENE
10
|
ENE
11
|
ENE
10
|
NE
7
|
| Wind gust in miles per hour | 11 | 11 | 11 | 15 | 21 | 22 | 19 | 11 |
| Visibility | VG | VG | VG | VG | VG | VG | VG | VG |
| Humidity | 80% | 83% | 82% | 59% | 52% | 51% | 57% | 76% |
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
| 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% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
| Temperature in degrees Celsius |
6°
|
5°
|
6°
|
9°
|
11°
|
11°
|
10°
|
7°
|
| Feels like temperature in degrees Celsius | 4° | 3° | 4° | 7° | 9° | 9° | 8° | 5° |
| Wind direction and speed in miles per hour |
ENE
7
|
NE
7
|
NE
7
|
NE
9
|
NE
11
|
NE
11
|
NNE
11
|
NNE
8
|
| Wind gust in miles per hour | 10 | 11 | 11 | 18 | 23 | 23 | 20 | 13 |
| Visibility | VG | VG | VG | VG | VG | VG | VG | VG |
| Humidity | 82% | 84% | 82% | 64% | 55% | 55% | 61% | 76% |
| UV | - | - | 1 | 3 | 4 | 2 | 1 | - |
Wales weather forecast
Headline:
Another fine and dry day, with cloud building later.
Today:
After a cold start, with some patchy frost in places, it will be another fine and dry day with plenty of sunny spells. Patchy cloud will build over western areas through the day, with eastern staying largely clear. Feeling warm. Maximum temperature 16 °C.
Tonight:
Staying dry overnight, with plenty of clear skies. Another cold night with a frost possible, although less widespread than recently. Minimum temperature 0 °C.
Tuesday:
A cold start with clear skies in the southeast, then largely dry with sunny spells and thickening cloud throughout the day. Into the afternoon, the odd isolated shower is possible. Maximum temperature 16 °C.
Outlook for Wednesday to Friday:
Largely cloudy on Wednesday, with some scattered showers. Skies clear afterwards, for fine and dry conditions with patchy fair-weather cloud into Thursday and Friday. Overnight frosts remain likely.
Updated:
UK long range weather forecast
Generally fine and dry on Friday, with sunny spells and patchy fair-weather cloud. Some showers possible for the far northeast, accompanied by gusty winds; these winds are also expected for the far southwest where gale force gusts could be seen in exposed areas. For most of April, high pressure is expected to dominate, meaning most places will be dry and bright, with some morning fog patches in places where winds are light. After a dip in daytime temperatures at the start of the period, it will probably warm slightly by day, although overnight frosts remain probable in rural areas. The greatest potential for rain and stronger winds across the south and southwest, although confidence decreases into the beginning of May.
Updated:
Mixed weather patterns, typical of spring are most likely through the first half of May. Overall, fine and dry weather is expected to be most dominant, with fair-weather cloud and plenty of sunny spells. However, all areas are likely to see some showers or perhaps some longer spells of rain at times, with these unsettled periods more likely than they were in April. Temperatures are likely to be close to the average for the time of year, with the possibility of some warmer spells.
Updated:
