Weather in Llan-non

14-day forecast · updated today, Thursday, October 29, at 5:19 am (GMT)

Now · overcast 54 °F

Feels like: 53 °F
Low / high: 52 / 58 °F
Rain: 0%
Wind: 4 mph SSE

→ 30.31 inHg · steady

Today in Llan-non: overcast, 52 °F to 58 °F, with a 0% chance of rain and a light breeze from the south-southeast (4 mph). Tomorrow, overcast, 50 °F to 59 °F and a 0% chance of rain. The warmest day of the week is Friday 30, at 59 °F. No significant rain expected over the next 7 days.

Temperatures for the next 14 days

58° 52°
Today
59° 50°
Fri 30
58° 45°
Sat 31
54° 44°
Sun 1
52° 43°
Mon 2
53° 43°
Tue 3
53° 46°
Wed 4
52° 47°
Thu 5
51° 44°
Fri 6
50° 43°
Sat 7
55° 47°
Sun 8
58° 54°
Mon 9
57° 54°
Tue 10
56° 53°
Wed 11

Day by day

Day	Sky	Low / high	Rain	Max wind	Max wave	High tides	Model
Today · 29	Overcast	52 / 58 °F	0%	12 mph SSE	3.4 ft	9:47 am · 10:13 pm	ICON-EU
Fri 30	Overcast	50 / 59 °F	0%	12 mph SE	2.6 ft	10:33 am · 11:02 pm	ICON-EU
Sat 31	Fog	45 / 58 °F	0%	6 mph ESE	2.4 ft	11:23 am · 11:57 pm	ICON-EU
Sun 1	Fog	44 / 54 °F	0%	6 mph E	1.6 ft	12:21 pm	ICON-EU
Mon 2	Overcast	43 / 52 °F	0%	10 mph E	1.4 ft	1:02 am · 1:30 pm	ICON-EU
Tue 3	Overcast	43 / 53 °F	0%	11 mph ENE	0.5 ft	2:19 am · 2:50 pm	ICON-EU + ECMWF
Wed 4	Overcast	46 / 53 °F	0%	9 mph E	0.9 ft	3:42 am · 4:11 pm	ECMWF
Thu 5	Partly cloudy	47 / 52 °F	0%	11 mph E	1.0 ft	4:53 am · 5:16 pm	ECMWF
Fri 6	Mainly clear	44 / 51 °F	4%	15 mph ESE	1.2 ft	5:47 am · 6:07 pm	ECMWF
Sat 7	Overcast	43 / 50 °F	11%	14 mph ESE	1.2 ft	6:32 am · 6:51 pm	ECMWF
Sun 8	Heavy drizzle	47 / 55 °F	24% · 0.46 in	13 mph SE	1.0 ft	7:12 am · 7:30 pm	ECMWF
Mon 9	Drizzle	54 / 58 °F	27% · 0.24 in	13 mph SSE	1.2 ft	7:50 am · 8:06 pm	ECMWF
Tue 10	Drizzle	54 / 57 °F	33% · 0.24 in	8 mph SSE	0.9 ft	8:26 am · 8:41 pm	ECMWF
Wed 11	Light drizzle	53 / 56 °F	36% · 0.10 in	16 mph S	2.6 ft	9:01 am · 9:15 pm	ECMWF

Each hour comes from the best model for this spot: ICON-EU until Tuesday 3 1:00 am; then ECMWF until Thursday 12 3:00 pm; then GFS.

Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.

Today, every 3 hours

Time	12:00 am	3:00 am	6:00 am	9:00 am	12:00 pm	3:00 pm	6:00 pm	9:00 pm
Sky	Overcast	Overcast	Overcast	Overcast	Overcast	Overcast	Overcast	Overcast
Temperature	55°	54°	54°	54°	57°	57°	54°	52°
Chance of rain	0%	0%	0%	0%	0%	0%	0%	0%
Rain	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in
Wind (mph)	7 S	5 S	5 SSE	8 SE	12 SSE	9 SSE	7 SE	8 SE
Humidity	92%	91%	90%	84%	77%	77%	83%	78%
UV	0	0	0	0	1	0	0	0
Model	ICON-EU	ICON-EU	ICON-EU	ICON-EU	ICON-EU	ICON-EU	ICON-EU	ICON-EU

Do the models agree?

High confidence

The models agree for the next few days: the forecast is fairly solid.

What 6 forecast models say for the next few days. The closer they are, the more reliable the forecast.

HighRainWind

Do the models agree? · High
High (°F)	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	58°	59°	56°	53°	53°	53°	53°
AIFS	57°	56°	54°	53°	50°	50°	50°
GFS	58°	60°	60°	57°	54°	55°	54°
ICON	58°	58°	58°	56°	52°	53°	51°
ARPEGE	58°	59°	57°	55°	—	—	—
ICON-EU	58°	59°	58°	54°	52°	—	—
Confidence	high	high	high	high	high	high	high

Do the models agree? · Rain
Rain	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	0	0	0	0	0	0	0
AIFS	0	0	0	0	0	0	0
GFS	0	0	0	0	0	0	0
ICON	0	0	0	0	0	0	0
ARPEGE	0	0	0	0	—	—	—
ICON-EU	0	0	0	0	0	—	—
Confidence	high	high	high	high	high	high	high

Do the models agree? · Wind
Wind (mph)	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	1321	1422	611	1017	918	1116	918
AIFS	12	12	8	9	10	11	13
GFS	1425	1526	65	715	1019	814	1322
ICON	1220	1118	48	58	815	1119	1018
ARPEGE	1321	1624	1420	812	—	—	—
ICON-EU	1221	1220	614	613	1018	—	—
Confidence	high	high	high	high	high	high	high

Chance of rain from the ensemble models

Model	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF (51 scenarios)	0%	0%	0%	0%	0%	0%	0%
GFS (GEFS, 31 scenarios)	0%	0%	0%	0%	0%	0%	0%

Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.

Outlook

How the coming weeks and months compare with what is normal for the time of year. It is a trend, not a day-by-day forecast.

The next few weeks look normal for the time of year.

Next 6 weeks

When	TemperatureTemp.	Rain	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	A bit below −1.8 °F	Below −86%	—
Nov 9 – Nov 15Nov 9–Nov 15	Normal +0.4 °F	Normal	—
Nov 16 – Nov 22Nov 16–Nov 22	A bit above +1.6 °F	A bit above +30%	46° / 41°
Nov 23 – Nov 29Nov 23–Nov 29	A bit above +1.1 °F	Normal	45° / 40°
Nov 30 – Dec 6Nov 30–Dec 6	Normal +0.5 °F	Normal	44° / 39°

Coming months

When	TemperatureTemp.	Rain
November	Normal +0.7 °F	Normal
December	A bit above +1.8 °F	Normal
January	A bit above +1.4 °F	Normal
February	A bit above +1.3 °F	Normal
March	A bit above +1.3 °F	Normal

Weeks: ECMWF 46-day (average of its scenarios), against the normal of the last 20 years for those dates. Months: ECMWF SEAS5. Rain: total against normal. The further ahead, the closer it gets to normal and the less detail it can give. The long-range sea temperature isn't usable at this spot (the model's grid cell falls on land).

Llan-non climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Llan-non is from June to August: highs of 62 °F to 65 °F, about 12 rainy days a month and 6 hours of sunshine a day.

47° 38°

JanJ
47° 37°

FebF
49° 39°

MarM
53° 41°

AprA
58° 46°

MayM
62° 50°

JunJ
65° 54°

JulJ
65° 54°

AugA
62° 51°

SepS
57° 47°

OctO
52° 42°

NovN
48° 39°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water	Waves
JanuaryJan	47°	38°	4.55 in	15	1.4	46°	3.6 ft
FebruaryFeb	47°	37°	3.68 in	12	2.3	45°	3.7 ft
MarchMar	49°	39°	3.36 in	12	4.1	45°	2.5 ft
AprilApr	53°	41°	2.61 in	11	5.7	49°	1.9 ft
MayMay	58°	46°	2.73 in	10	6.8	53°	1.9 ft
JuneJun	62°	50°	3.48 in	11	7.0	58°	1.8 ft
JulyJul	65°	54°	3.81 in	12	6.1	62°	1.7 ft
AugustAug	65°	54°	3.98 in	13	5.2	63°	2.1 ft
SeptemberSep	62°	51°	3.82 in	13	4.5	61°	2.3 ft
OctoberOct	57°	47°	5.20 in	15	2.8	57°	2.8 ft
NovemberNov	52°	42°	5.53 in	16	1.5	53°	3.1 ft
DecemberDec	48°	39°	5.41 in	16	0.9	49°	4.2 ft

Month	Water	Waves
Jan	46°	3.6 ft
Feb	45°	3.7 ft
Mar	45°	2.5 ft
Apr	49°	1.9 ft
May	53°	1.9 ft
Jun	58°	1.8 ft
Jul	62°	1.7 ft
Aug	63°	2.1 ft
Sep	61°	2.3 ft
Oct	57°	2.8 ft
Nov	53°	3.1 ft
Dec	49°	4.2 ft

Days: rainy days in the month. Sun: hours a day.

A normal year brings 48.16 in of rain on about 155 days and about 1,450 hours of sunshine.

1991–2020 averages. Highs, lows and rainfall: TerraClimate; rainy days (0.04 in or more): NASA POWER (MERRA-2); sunshine hours: estimated from solar radiation; water: NOAA OISST; waves (average height): ERA5, 2011–2020. Normals are not a forecast: any given year can turn out very different. Sources and licenses

Temperature

Now54 °Ffeels like 53 °F

Tomorrow50 / 59 °F

It's 54 °F now (feels like 53 °F). Today, 52 °F to 58 °F; tomorrow, 50 °F to 59 °F.

Chance of rain

Today 0%
Fri 30 0%
Sat 31 0%
Sun 1 0%
Mon 2 0%
Tue 3 0%
Wed 4 0%

Today the chance of rain reaches 0%. No significant rain expected this week.

Recent rain: last 24 hours, 0.06 in; last 3 days, 0.57 in; last 7 days, 2.82 in.

Humidity and dew point

Humidity91%

Dew point52 °F

Humidity is 91% now and the dew point is 52 °F. The temperature is very close to the dew point: fog may form.

The dew point is the temperature at which the air becomes saturated: the higher it is, the heavier the air feels.

Visibility and fog

Now13 migood

Clouds93%

Visibility is good now (13 mi). No fog expected today.

UV index

Now0

Today's peak1low

Fri 30: 1 · Sat 31: 1 · Sun 1: 1

Index	Level	What to do
0–2	low	No special protection needed.
3–5	moderate	Hat, sunglasses and sunscreen around midday.
6–7	high	Sunscreen, hat and shade between 12 and 4 pm.
8–10	very high	Avoid the midday sun; reflection off the water adds to it.
11+	extreme	Avoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy.

Reflection off water and sand adds radiation: protect yourself more on a boat or at the beach.

Barometric pressure

↗ Rising Anglers say fish bite less for a while
→ Steady · now Anglers expect normal activity
↘ Falling Anglers say fish feed more before the change

30.2030.40 30.43

Steady now (+0.01 inHg in 3 hours). Over the next 48 hours: +0.12 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityFair · 24

PollenNoneToday, at most none.

Pollen: Copernicus CAMS model (a rough guide, not a pollen trap). Levels use each type's usual thresholds.

Previous days

The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.

Day	Sky	Low / high	Rain	Max wind
Wed 28	Light drizzle	53 / 58 °F	0.06 in	19 mph SW
Tue 27	Drizzle	52 / 60 °F	0.17 in	27 mph SW
Mon 26	Heavy drizzle	50 / 62 °F	0.30 in	30 mph S
Sun 25	Light drizzle	51 / 53 °F	0.10 in	35 mph W
Sat 24	Rain	49 / 60 °F	0.86 in	33 mph SW
Fri 23	Rain	49 / 52 °F	1.06 in	36 mph NW
Thu 22	Light rain	49 / 55 °F	0.63 in	21 mph SW

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Wed 21	Light rain	48 / 53 °F	0.54 in	27 mph WSW
Tue 20	Light drizzle	47 / 54 °F	0.01 in	13 mph SE
Mon 19	Drizzle	46 / 57 °F	0.11 in	14 mph E
Sun 18	Partly cloudy	42 / 55 °F	0	12 mph NE
Sat 17	Overcast	45 / 56 °F	0	11 mph NE
Fri 16	Heavy drizzle	53 / 55 °F	0.14 in	17 mph NW
Thu 15	Light rain	55 / 62 °F	0.41 in	20 mph SSW
Wed 14	Overcast	54 / 63 °F	0	20 mph SSW
Tue 13	Drizzle	56 / 64 °F	0.15 in	24 mph SW
Mon 12	Light drizzle	58 / 65 °F	0.03 in	24 mph S
Sun 11	Light drizzle	53 / 59 °F	0.01 in	19 mph S
Sat 10	Light drizzle	54 / 57 °F	0.06 in	23 mph WNW
Fri 9	Heavy drizzle	56 / 61 °F	0.43 in	26 mph W
Thu 8	Light rain	53 / 58 °F	0.34 in	20 mph WNW
Wed 7	Drizzle	54 / 58 °F	0.19 in	20 mph N
Tue 6	Light drizzle	59 / 62 °F	0.05 in	12 mph W
Mon 5	Light drizzle	59 / 64 °F	0.02 in	14 mph SW
Sun 4	Overcast	48 / 63 °F	0	11 mph SSW
Sat 3	Heavy drizzle	51 / 61 °F	0.10 in	14 mph N
Fri 2	Light rain	58 / 65 °F	0.28 in	21 mph SSW
Thu 1	Light drizzle	53 / 62 °F	0.05 in	15 mph SSW
Wed 30	Light rain	57 / 65 °F	0.33 in	25 mph S
Tue 29	Light rain	55 / 71 °F	0.26 in	26 mph SE

These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.

Questions about the weather in Llan-nonQuestions

What's the weather like today in Llan-non?

Overcast, from 52 °F to 58 °F, with a light breeze from the south-southeast (4 mph) and a 0% chance of rain.

Will it rain tomorrow in Llan-non?

On Friday 30 the chance of rain is 0% (0.00 in): overcast.

How warm will it be this week?

Between a low of 43 °F and a high of 59 °F; the warmest day, Friday 30.

What's the UV index today?

It reaches 1 (low). No special protection needed.

Is the pressure rising or falling?

It's 30.31 inHg and steady: +0.17 inHg over the last 24 hours.

When is the best time to visit Llan-non?

The best time to visit Llan-non is from June to August: highs of 62 °F to 65 °F, about 12 rainy days a month and 6 hours of sunshine a day.

What is the weather like in Llan-non in October?

In October, Llan-non normally sees highs of 57 °F and lows of 47 °F, with about 15 rainy days (5.20 in for the month) and 3 hours of sunshine a day. The sea is around 57 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Llan-non?

The warmest is August, with average highs of 65 °F, and the coldest February, with lows of 37 °F. The wettest is November (5.53 in) and the driest, April.

More about Llan-non today

Weather near Llan-non

Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.

Learn more

Weather: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS); ECMWF grid point 3.8 mi away. The comparison also uses ICON (DWD), AIFS (ECMWF) and ARPEGE (Météo-France). Outlook: ECMWF 46-day and SEAS5. Chance of rain from ensemble models (ECMWF, GEFS and NBM). UV, air quality and pollen: CAMS (Copernicus).

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 5:19 am (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from