Llyn Y Fan Fawr (Powys) weather

Forecast days

Seven day forecast for Llyn Y Fan Fawr

Time 19:00 20:00 21:00 22:00 23:00
Weather symbol Clear night Clear night Clear night Clear night Clear night
Chance of precipitation
<5% <5% <5% <5% <5%
-1° -2° -2° -2°
SSW 9
S 12
S 12
S 10
SSW 8
10 14 14 12 9
G G G G G
Humidity
77% 80% 81% 83% 86%
UV
- - - - -
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Weather symbol Clear night Clear night Clear night Sunny day Cloudy Overcast Overcast Overcast
Chance of precipitation
<5% <5% <5% <5% 10% 10% 20% 20%
-1°
-1°
-1°
-5° -6° -6° -6° -4° -5° -5° -4°
SSE 9
SSE 10
SSE 11
S 11
SSW 12
SSW 15
SW 17
SW 17
11 13 15 15 19 23 26 27
M M G G G G G G
Humidity
84% 87% 83% 88% 86% 88% 95% 94%
UV
- - - 1 1 1 - -
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Weather symbol Overcast Overcast Overcast Sunny intervals Cloudy Cloudy Overcast Cloudy
Chance of precipitation
20% 20% 20% 10% 10% 10% 10% 10%
-3° -2° -3° -2° -1° -2° -3°
WSW 16
WSW 14
WNW 11
WNW 8
NW 9
WNW 9
WNW 7
SW 8
26 23 17 12 16 17 10 11
G M G G G G VG G
Humidity
95% 98% 98% 95% 79% 76% 91% 95%
UV
- - - 1 1 1 - -
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Weather symbol Cloudy Overcast Overcast Overcast Cloudy Overcast Cloudy Overcast
Chance of precipitation
10% 10% 10% 10% 10% 10% 10% 10%
-1°
-5° -5° -4° -3° -1°
SSW 9
SW 12
SW 13
SW 15
WSW 15
WSW 15
WSW 15
WSW 14
13 17 19 22 25 24 23 22
G G G G M G M M
Humidity
95% 94% 95% 96% 92% 92% 97% 98%
UV
- - - 1 1 1 - -
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Weather symbol Overcast Overcast Overcast Overcast Cloudy Overcast Cloudy Partly cloudy (night)
Chance of precipitation
10% 10% 10% 10% 10% 10% 10% 10%
-1° -1° -2° -1° -1° -3°
WSW 13
WSW 12
SW 11
SW 9
SW 9
SW 8
S 8
S 8
20 18 15 14 16 14 11 11
M M M M G G G G
Humidity
98% 98% 98% 97% 90% 86% 95% 97%
UV
- - - 1 1 1 - -
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Weather symbol Cloudy Fog Fog Fog Overcast Cloudy Cloudy Cloudy
Chance of precipitation
10% 20% 10% 20% 10% 10% 10% 10%
-1°
-4° -5° -6° -4° -1° -3° -4°
SSE 9
SSE 10
SSE 10
SSE 11
S 11
S 10
S 11
S 12
12 13 13 15 18 17 15 17
M VP VP VP G G G G
Humidity
97% 98% 98% 97% 89% 87% 95% 96%
UV
- - - 1 1 1 - -

Wales weather forecast

Headline:

Another dry day with sunny spells. A cold night.

This Evening and Tonight:

Another night of mostly clear spells and light winds. Temperatures soon falling away leading to a widespread frost. Mist and fog patches developing becoming quite extensive through river valleys. Minimum temperature -3 °C.

Tuesday:

Any early mist and freezing fog patches, mainly in the east, will steadily lift and break to leave a dry and fine day with bright or sunny spells. Maximum temperature 7 °C.

Outlook for Wednesday to Friday:

Remaining mostly dry and settled with some sunshine at times. Cloudier periods are also likely, perhaps giving some outbreaks of rain. Mostly light winds.

Updated:

UK long range weather forecast

The coming weekend is expected to be mostly dry and largely cloudy, albeit with some rain at times in the far north and northwest. For the rest of the period, settled conditions overall are expected for most, bringing dry weather with sunny spells. There is a risk of overnight fog in many parts of the country, particularly in the south. Changeable weather conditions are more likely in the far north, with showers and longer spells of rain, as well as periods of stronger winds in the northwest. Temperatures overall will be mild in the north, particularly in the northwest, but near average elsewhere, with a low chance of colder conditions and frost in the south.

Updated:

During the period, generally settled weather conditions are expected across the UK. Frontal systems bringing rain and strong winds are expected in the northwest, perhaps spreading further into the southeast at times, although much of the south and southeast may stay largely dry. Temperatures overall will be above normal, with a small but increasing chance of colder conditions as we move through the period.

Updated:

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