Will it be frosty in Pen Y Fan?

The frost forecast percentage is calculated by combining data from several computer models.

The calculation is based on the number of runs forecasting temperatures to fall to or below 0C. Ground frost is considered possible at 3.5C or lower.

Short range

frost today, tomorrow or the day after?

Fri 22 Nov
0%

Sat 23 Nov
0%

Sun 24 Nov
0%

Medium range

frost during the following ten days?

Mon 25 Nov
0%
Tue 26 Nov
3%
Wed 27 Nov
3%
Thu 28 Nov
15%
Fri 29 Nov
18%
Sat 30 Nov
6%
Sun 01 Dec
12%
Mon 02 Dec
15%
Tue 03 Dec
21%

Ground frost

Short range

ground frost today, tomorrow or the day after?

Fri 22 Nov
95%

Sat 23 Nov
95%

Sun 24 Nov
42%

Medium range

ground frost during the following ten days?

Mon 25 Nov
9%
Tue 26 Nov
21%
Wed 27 Nov
39%
Thu 28 Nov
52%
Fri 29 Nov
30%
Sat 30 Nov
18%
Sun 01 Dec
15%
Mon 02 Dec
30%
Tue 03 Dec
27%

Frost, rain, snow, heat and thunder risk

Pen Y Fan frost

Pen Y Fan rain

Pen Y Fan snow

Pen Y Fan heat

Pen Y Fan thunder

Full weather forecast

Next 3 days hour by hour

Pen Y Fan hourly

Next 16 days in 3 hour intervals

Pen Y Fan 16 day

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UK postcode or place



COMPUTER MODELS

Key

Up to 5 days
Up to 16 days
Up to 180 days
Deterministic
Ensemble

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