Five day forecast for Tryfan

Fri 21st SepWeatherTemp.
(C)
Feels
like (C)
Rain
Prob. (%)
Vis.Hum.
(%)
Wind
Speed
(mph)
Wind
Gust
(mph)
Wind
Dir.
UV
Index
0000Heavy rain6-197Very poor1003647WNW0
300Heavy rain4-497Very poor1004558W0
600Heavy rain2-674Very poor1004047W0
900Drizzle3-584Very poor1004349WSW1
1200Heavy rain4-584Very poor1005163W2
1500Heavy rain5-373Good964556WNW1
1800Light rain5-247Very good933643WNW1
2100Cloudy4-236Excellent893440WNW0

Sat 22nd SepWeatherTemp.
(C)
Feels
like (C)
Rain
Prob. (%)
Vis.Hum.
(%)
Wind
Speed
(mph)
Wind
Gust
(mph)
Wind
Dir.
UV
Index
0000Cloudy3-38Excellent893138WNW0
300Partly cloudy3-33Excellent872731W0
600Cloudy3-24Excellent872025W0
900Cloudy4-19Very good891822WSW1
1200Cloudy4052Very good891316SW2
1500Heavy rain4182Poor96911SE1
1800Heavy rain4-179Very poor981620E1
2100Drizzle4-155Poor982027E0

Sun 23rd SepWeatherTemp.
(C)
Feels
like (C)
Rain
Prob. (%)
Vis.Hum.
(%)
Wind
Speed
(mph)
Wind
Gust
(mph)
Wind
Dir.
UV
Index
0000Light rain5059Very poor992027E0
300Light rain5158Very poor982029ESE0
600Light rain6164Very poor992031ESE0
900Heavy rain7284Poor972745WSW1
1200Heavy rain4-272Poor953151NW2
1500Heavy rain shower3-471Moderate923454NNW1
1800Heavy rain shower3-366Good882745NNW1
2100Light rain shower3-338Very good872236NNW0

Mon 24th SepWeatherTemp.
(C)
Feels
like (C)
Rain
Prob. (%)
Vis.Hum.
(%)
Wind
Speed
(mph)
Wind
Gust
(mph)
Wind
Dir.
UV
Index
0000Cloudy2-39Very good902029NW0
300Cloudy2-35Very good921827NW0
600Cloudy2-35Very good941622NW0
900Cloudy403Very good821322NW2
1200Cloudy623Very good721120NNW3
1500Partly cloudy521Very good72920NNW1
1800Sunny day411Very good89711NNW1
2100Partly cloudy2-11Very good9579SSW0

Tue 25th SepWeatherTemp.
(C)
Feels
like (C)
Rain
Prob. (%)
Vis.Hum.
(%)
Wind
Speed
(mph)
Wind
Gust
(mph)
Wind
Dir.
UV
Index
0000Clear night1-21Very good9579SE0
300Partly cloudy0-31Good9579SE0
600Cloudy0-44Good95913ESE0
900Partly cloudy400Very good821318SE2
1200Sunny day631Very good691325S3
1500Partly cloudy731Very good681627SSW1
1800Clear night501Very good821825SSW0
2100Clear night3-21Very good882025S0

Visibility - from the Met Office site



UV Index - from the Met Office site


The strength of the sun's ultraviolet (UV) radiation is expressed as a 'Solar UV Index', a system developed by the World Health Organization. These Met Office forecasts include the effects of:


The solar index does not exceed 8 in the UK (8 is rare; 7 may occur on exceptional days, mostly in the two weeks around the summer solstice). Indices of 9 and 10 are common in the Mediterranean area.


The UV Index can take the following values:
1-2 Low exposure. No protection required. You can safely stay outside
3-5 Moderate exposure. Seek shade during midday hours, cover up and wear sunscreen
6-7 High exposure. Seek shade during midday hours, cover up and wear sunscreen
8-10 Very high. Avoid being outside during midday hours. Shirt, sunscreen and hat are essential
11 or over Extreme. Avoid being outside during midday hours. Shirt, sunscreen and hat essential.

Weather forecasts courtesy of the Met Office.