Porthmadog (Gwynedd) weather
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Forecast days
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Today. Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius. Cloudy. Sunrise: 07:49; Sunset: 18:13. UV: Low; Pollution: Low; No pollen data.
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Wednesday 20 October. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius. Light rain changing to cloudy in the afternoon. Sunrise: 07:51; Sunset: 18:11. UV: Low; Pollution: Low; No pollen data.
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Thursday 21 October. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius. Cloudy changing to sunny intervals by late morning. Sunrise: 07:53; Sunset: 18:09. UV: Low; Pollution: Low; No pollen data.
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Friday 22 October. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius. Cloudy. Sunrise: 07:55; Sunset: 18:06. UV: Low; Pollution: Low; No pollen data.
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Saturday 23 October. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius. Cloudy changing to heavy rain by early evening. Sunrise: 07:57; Sunset: 18:04. UV: Low; Pollution: Low; No pollen data.
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Sunday 24 October. Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius. Light showers changing to partly cloudy by early evening. Sunrise: 07:58; Sunset: 18:02. UV: Low;
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Monday 25 October. Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius. Partly cloudy changing to sunny intervals by late morning. Sunrise: 08:00; Sunset: 18:00. UV: Low;
Seven day forecast for Porthmadog
| Time | Now |
|---|---|
| Weather symbol |
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| Chance of precipitation | 10% |
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Temperature
°C
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| Temperature in degrees Celsius |
15°
|
| Feels like temperature in degrees Celsius | 11° |
|
Wind direction and speed
mph
|
|
| Wind direction and speed in miles per hour |
SW
23
|
| Wind gust in miles per hour | 33 |
|
Visibility
|
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| Visibility | M |
| Humidity | 94% |
| UV | - |
| 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 | 10% | <5% | <5% | <5% | <5% | <5% | <5% | 10% | 60% | 90% | 80% | 50% | 50% | 50% | 40% | 10% | 10% | 10% | 10% | <5% | <5% | <5% | 10% | 10% |
|
Temperature
°C
|
||||||||||||||||||||||||
| Temperature in degrees Celsius |
15°
|
14°
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14°
|
13°
|
12°
|
11°
|
11°
|
12°
|
12°
|
12°
|
13°
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13°
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13°
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12°
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12°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
10°
|
| Feels like temperature in degrees Celsius | 12° | 12° | 12° | 12° | 11° | 11° | 11° | 11° | 11° | 11° | 10° | 10° | 10° | 9° | 9° | 9° | 9° | 9° | 9° | 8° | 8° | 8° | 8° | 7° |
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Wind direction and speed
mph
|
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| Wind direction and speed in miles per hour |
SW
17
|
SW
13
|
WSW
9
|
W
7
|
W
6
|
W
4
|
N
4
|
E
4
|
E
5
|
S
10
|
SW
17
|
W
14
|
WNW
14
|
W
16
|
WNW
12
|
NW
10
|
NW
9
|
NW
8
|
N
5
|
NNE
5
|
NNW
6
|
WNW
6
|
W
8
|
W
11
|
| Wind gust in miles per hour | 28 | 23 | 17 | 15 | 15 | 10 | 7 | 6 | 9 | 17 | 28 | 23 | 23 | 25 | 19 | 15 | 15 | 13 | 10 | 8 | 10 | 11 | 14 | 23 |
|
Visibility
|
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| Visibility | M | M | M | M | M | G | G | G | G | P | G | VG | E | VG | VG | E | VG | E | E | VG | VG | VG | VG | VG |
| Humidity | 93% | 93% | 93% | 93% | 92% | 90% | 87% | 88% | 90% | 92% | 87% | 88% | 84% | 84% | 83% | 82% | 79% | 79% | 81% | 82% | 81% | 79% | 80% | 77% |
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 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 | 20% | 50% | 40% | 40% | 30% | 10% | 10% | 20% | 10% |
|
Temperature
°C
|
|||||||||
| Temperature in degrees Celsius |
10°
|
10°
|
8°
|
8°
|
9°
|
11°
|
10°
|
10°
|
10°
|
| Feels like temperature in degrees Celsius | 7° | 7° | 4° | 5° | 6° | 7° | 7° | 7° | 7° |
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Wind direction and speed
mph
|
|||||||||
| Wind direction and speed in miles per hour |
WNW
14
|
WNW
15
|
NNW
16
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NNW
15
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NNW
14
|
NNW
17
|
NW
15
|
NW
14
|
WNW
15
|
| Wind gust in miles per hour | 28 | 30 | 30 | 29 | 24 | 29 | 25 | 23 | 27 |
|
Visibility
|
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| Visibility | VG | VG | E | E | E | E | E | VG | VG |
| Humidity | 76% | 76% | 71% | 74% | 68% | 58% | 61% | 68% | 68% |
| UV | - | - | - | - | 1 | 2 | 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 | 10% | <5% | 10% | 10% | 10% | 10% | 10% | 10% |
|
Temperature
°C
|
||||||||
| Temperature in degrees Celsius |
10°
|
10°
|
10°
|
11°
|
12°
|
12°
|
11°
|
12°
|
| Feels like temperature in degrees Celsius | 7° | 7° | 7° | 8° | 9° | 9° | 9° | 9° |
|
Wind direction and speed
mph
|
||||||||
| Wind direction and speed in miles per hour |
WNW
16
|
WNW
16
|
WNW
16
|
W
16
|
W
16
|
W
14
|
W
11
|
WSW
11
|
| Wind gust in miles per hour | 28 | 28 | 28 | 28 | 28 | 23 | 18 | 18 |
|
Visibility
|
||||||||
| Visibility | VG | VG | VG | VG | VG | VG | VG | VG |
| Humidity | 68% | 72% | 74% | 76% | 69% | 71% | 75% | 78% |
| UV | - | - | - | 1 | 1 | 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 | 10% | 10% | 10% | 10% | 20% | 20% | 80% | 90% |
|
Temperature
°C
|
||||||||
| Temperature in degrees Celsius |
12°
|
13°
|
13°
|
13°
|
14°
|
14°
|
13°
|
14°
|
| Feels like temperature in degrees Celsius | 10° | 10° | 10° | 9° | 9° | 9° | 9° | 9° |
|
Wind direction and speed
mph
|
||||||||
| Wind direction and speed in miles per hour |
SW
14
|
SSW
17
|
SSW
20
|
S
22
|
S
26
|
S
26
|
S
26
|
S
26
|
| Wind gust in miles per hour | 22 | 27 | 32 | 36 | 43 | 43 | 43 | 43 |
|
Visibility
|
||||||||
| Visibility | VG | VG | VG | G | G | G | M | M |
| Humidity | 78% | 82% | 84% | 84% | 83% | 84% | 89% | 91% |
| UV | - | - | - | 1 | 1 | 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 | 80% | 80% | 40% | 40% | 60% | 50% | 10% | 10% |
|
Temperature
°C
|
||||||||
| Temperature in degrees Celsius |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
| Feels like temperature in degrees Celsius | 9° | 10° | 10° | 11° | 11° | 11° | 10° | 10° |
|
Wind direction and speed
mph
|
||||||||
| Wind direction and speed in miles per hour |
S
25
|
SSW
22
|
SSW
19
|
SSW
18
|
SW
18
|
SW
18
|
SW
16
|
WSW
16
|
| Wind gust in miles per hour | 41 | 35 | 31 | 29 | 31 | 29 | 27 | 27 |
|
Visibility
|
||||||||
| Visibility | M | G | G | G | G | VG | G | G |
| Humidity | 93% | 93% | 92% | 90% | 85% | 84% | 86% | 83% |
| UV | - | - | - | 1 | 2 | 1 | - | - |
| 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% | 20% | 40% | 40% | 10% | 10% |
|
Temperature
°C
|
||||||||
| Temperature in degrees Celsius |
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
12°
|
12°
|
| Feels like temperature in degrees Celsius | 9° | 9° | 9° | 9° | 9° | 9° | 9° | 9° |
|
Wind direction and speed
mph
|
||||||||
| Wind direction and speed in miles per hour |
WSW
17
|
SW
17
|
SW
17
|
WSW
17
|
WSW
19
|
WSW
18
|
W
16
|
W
16
|
| Wind gust in miles per hour | 28 | 28 | 29 | 29 | 32 | 29 | 27 | 26 |
|
Visibility
|
||||||||
| Visibility | VG | G | G | G | G | VG | VG | VG |
| Humidity | 82% | 83% | 85% | 83% | 80% | 79% | 80% | 81% |
| UV | - | - | - | 1 | 1 | 1 | - | - |
Wales weather forecast
Headline:
Windy and mild with outbreaks of rain.
This Evening and Tonight:
Lingering rain and drizzle clearing east to leave a largely dry night with clear spells developing. A brief period of heavy rain, thunderstorms and very gusty winds will move in from the west during the second half of the night. Minimum temperature 10 °C.
Wednesday:
Overnight rain with gusty winds will quickly clear northeast during the morning leaving a legacy of cloudy skies and showers. Some decent sunny spells developing, especially in the south. Maximum temperature 17 °C.
Outlook for Thursday to Saturday:
Sunny spells and isolated showers on Thursday and Friday as it turns colder. Largely settled on Saturday but rain and strong winds developing in the west later on.
Updated:
UK long range weather forecast
A wet start to the period on Sunday with showers, sometimes heavy in the west and risk of thunderstorms in the northwest. Turning windier again with a chance of coastal gales in the west and northwest. Becoming more settled early in the week, especially in the west. Initially cold, with chance of overnight rural frost, and showers wintry over highest ground. Temperatures trending upwards through the period. The rest of October will be dominated by weather arriving from the Atlantic. Often unsettled and windy, with outbreaks of rain. Wettest in the north and west. Briefer dry interludes. Driest conditions likely across south and southeastern areas. Winds lighter here, with risk of overnight fog at times.
Updated:
The beginning of this period will likely remain unsettled with many systems arriving from the Atlantic. It will remain wet and windy with the wettest and windiest conditions in the north and west. Driest conditions across the south especially the southeast with lighter winds but the risk of overnight fog at times. From early to mid-November increasing chance of settled weather but confidence of this is very low. Temperatures are likely to be warmer than average for most. Perhaps some colder spells and an increasing chance of frost and fog towards the end of this period but confidence of this is very low.
Updated:
