Weather in Shannon

14-day forecast · updated today, Wednesday, October 28, at 11:55 pm (GMT)

Now · overcast 54 °F

Feels like: 49 °F
Low / high: 53 / 59 °F
Rain: 96% · 0.04 in
Wind: 11 mph SSE

→ 30.19 inHg · steady

Today in Shannon: light showers, 53 °F to 59 °F, with a 96% chance of rain (0.04 in) and a gentle breeze from the south-southeast (11 mph). Tomorrow, overcast, 53 °F to 57 °F and a 0% chance of rain. The warmest day of the week is Friday 30, at 60 °F. Next likely rain: Friday 30 (11%).

Measured now at the airport

Shannon (EINN), 2.6 mi away · 25 min ago

Visibility6.2 mi or more

WeatherNothing to note

Temperature54 °F

Wind9 mph from the southeast

It's what the airport's weather station measured, not a forecast: on the coast, wind and fog can be different. Airports report every 30 or 60 minutes.

Airport METAR report, via NOAA's Aviation Weather Center (aviationweather.gov). Sources and licenses

Temperatures for the next 14 days

59° 53°
Today
57° 53°
Thu 29
60° 55°
Fri 30
56° 53°
Sat 31
55° 47°
Sun 1
55° 40°
Mon 2
53° 42°
Tue 3
55° 47°
Wed 4
53° 45°
Thu 5
52° 42°
Fri 6
51° 44°
Sat 7
53° 45°
Sun 8
56° 52°
Mon 9
57° 49°
Tue 10

Day by day

Day	Sky	Low / high	Rain	Max wind	High tides	Model
Today · 28	Light showers	53 / 59 °F	96% · 0.04 in	15 mph SW	7:45 am · 8:01 pm	ICON-EU
Thu 29	Overcast	53 / 57 °F	0%	17 mph SSE	8:28 am · 8:48 pm	ICON-EU
Fri 30	Light showers	55 / 60 °F	11% · 0.05 in	21 mph SSE	9:17 am · 9:40 pm	ICON-EU
Sat 31	Light rain	53 / 56 °F	20% · 0.14 in	10 mph SE	10:11 am · 10:38 pm	ICON-EU
Sun 1	Overcast	47 / 55 °F	2%	7 mph NNE	11:12 am · 11:45 pm	ICON-EU
Mon 2	Fog	40 / 55 °F	2%	8 mph ESE	12:21 pm	ICON-EU + ECMWF
Tue 3	Overcast	42 / 53 °F	0%	8 mph E	12:59 am · 1:33 pm	ECMWF
Wed 4	Overcast	47 / 55 °F	0%	9 mph E	2:12 am · 2:40 pm	ECMWF
Thu 5	Overcast	45 / 53 °F	2%	12 mph E	3:17 am · 3:39 pm	ECMWF
Fri 6	Overcast	42 / 52 °F	8%	12 mph E	4:14 am · 4:32 pm	ECMWF
Sat 7	Overcast	44 / 51 °F	16%	9 mph E	5:03 am · 5:17 pm	ECMWF
Sun 8	Overcast	45 / 53 °F	24%	9 mph ENE	5:46 am · 5:58 pm	ECMWF
Mon 9	Light drizzle	52 / 56 °F	27% · 0.05 in	5 mph E	6:24 am · 6:34 pm	ECMWF
Tue 10	Light drizzle	49 / 57 °F	29% · 0.02 in	5 mph E	6:58 am · 7:06 pm	ECMWF

Each hour comes from the best model for this spot: ICON-EU until Monday 2 7:00 pm; 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	Light rain	Light rain	Overcast	Partly cloudy	Overcast	Overcast	Overcast	Overcast
Temperature	53°	56°	54°	55°	58°	59°	55°	54°
Chance of rain	84%	96%	67%	22%	29%	25%	0%	0%
Rain	0.00 in	0.01 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in
Wind (mph)	11 SSW	15 WSW	10 SW	8 WSW	7 SW	8 SW	4 SSE	8 SSE
Humidity	84%	87%	86%	86%	84%	78%	87%	91%
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?

Medium confidence

They broadly agree, but not quite on rain on Friday 30: take it with some caution.

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	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	58°	58°	59°	57°	54°	54°	53°
AIFS	58°	59°	59°	57°	54°	53°	50°
GFS	59°	58°	58°	56°	53°	55°	55°
ICON	59°	58°	60°	56°	55°	55°	53°
ARPEGE	59°	58°	57°	55°	—	—	—
ICON-EU	59°	57°	60°	56°	55°	—	—
Confidence	high	high	high	high	high	high	high

Do the models agree? · Rain
Rain	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	0.08 in	0	0	0	0	0	0
AIFS	0.07 in	0	0	0.05 in	0	0	0
GFS	0.02 in	0	0	0.13 in	0	0	0
ICON	0.04 in	0	0.04 in	0.01 in	0	0	0
ARPEGE	0.06 in	0	0.04 in	0.31 in	—	—	—
ICON-EU	0.04 in	0	0.05 in	0.14 in	0	—	—
Confidence	high	high	medium	medium	high	high	high

Do the models agree? · Wind
Wind (mph)	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	1732	1935	1935	1120	1016	1026	817
AIFS	16	16	14	8	8	9	8
GFS	1734	1934	1936	1225	711	717	1015
ICON	1831	1730	2035	916	814	611	611
ARPEGE	2234	2133	2438	1016	—	—	—
ICON-EU	1528	1730	2136	1017	712	—	—
Confidence	high	high	high	high	high	high	high

Chance of rain from the ensemble models

Model	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF (51 scenarios)	96%	0%	11%	20%	2%	2%	0%
GFS (GEFS, 31 scenarios)	90%	0%	16%	26%	6%	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.

Next few weeks, compared with normal: a bit warmer and normal rain.

Next 6 weeks

When	TemperatureTemp.	Rain	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	Normal +0.7 °F	Below −77%	—
Nov 9 – Nov 15Nov 9–Nov 15	A bit above +0.9 °F	Normal	50° / 43°
Nov 16 – Nov 22Nov 16–Nov 22	A bit above +1.4 °F	A bit above +28%	49° / 43°
Nov 23 – Nov 29Nov 23–Nov 29	Normal +0.7 °F	Normal	48° / 42°
Nov 30 – Dec 6Nov 30–Dec 6	Normal +0.2 °F	Normal	47° / 41°

Coming months

When	TemperatureTemp.	Rain
November	Normal +0.2 °F	Normal
December	A bit above +1.1 °F	Normal
January	A bit above +1.1 °F	Normal
February	A bit above +1.1 °F	Normal
March	A bit above +1.1 °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.

Shannon climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Shannon is from June to August: highs of 65 °F to 67 °F, about 12 rainy days a month and 5 hours of sunshine a day.

48° 38°

JanJ
49° 38°

FebF
52° 40°

MarM
56° 42°

AprA
61° 46°

MayM
65° 51°

JunJ
67° 54°

JulJ
67° 54°

AugA
64° 51°

SepS
58° 46°

OctO
52° 42°

NovN
49° 39°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water	Waves
JanuaryJan	48°	38°	4.04 in	15	1.2	49°	8.2 ft
FebruaryFeb	49°	38°	3.49 in	12	2.4	48°	8.6 ft
MarchMar	52°	40°	2.93 in	12	3.6	48°	6.6 ft
AprilApr	56°	42°	2.57 in	11	5.8	50°	4.9 ft
MayMay	61°	46°	2.41 in	11	6.1	53°	4.4 ft
JuneJun	65°	51°	2.88 in	11	6.3	57°	3.7 ft
JulyJul	67°	54°	3.21 in	13	4.8	60°	3.7 ft
AugustAug	67°	54°	3.75 in	13	4.6	61°	4.2 ft
SeptemberSep	64°	51°	3.33 in	11	4.1	60°	5.1 ft
OctoberOct	58°	46°	4.00 in	14	2.7	57°	5.7 ft
NovemberNov	52°	42°	4.71 in	15	1.7	54°	6.8 ft
DecemberDec	49°	39°	4.67 in	16	1.0	51°	8.4 ft

Month	Water	Waves
Jan	49°	8.2 ft
Feb	48°	8.6 ft
Mar	48°	6.6 ft
Apr	50°	4.9 ft
May	53°	4.4 ft
Jun	57°	3.7 ft
Jul	60°	3.7 ft
Aug	61°	4.2 ft
Sep	60°	5.1 ft
Oct	57°	5.7 ft
Nov	54°	6.8 ft
Dec	51°	8.4 ft

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

A normal year brings 41.98 in of rain on about 152 days and about 1,350 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 49 °F

Tomorrow53 / 57 °F

It's 54 °F now (feels like 49 °F). Today, 53 °F to 59 °F; tomorrow, 53 °F to 57 °F.

Chance of rain

Today 96% 0.04 in
Thu 29 0%
Fri 30 11% 0.05 in
Sat 31 20% 0.14 in
Sun 1 2%
Mon 2 2%
Tue 3 0%

Today the chance of rain reaches 96%, with 0.04 in in total. The next day with likely rain is Friday 30: 11% and 0.05 in.

Recent rain: last 24 hours, 0.04 in; last 3 days, 0.82 in; last 7 days, 2.86 in.

Humidity and dew point

Humidity89%

Dew point51 °F

Humidity is 89% now and the dew point is 51 °F.

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

Visibility and fog

Now14 migood

Clouds100%

Visibility is good now (14 mi). No fog expected today.

UV index

Now0

Today's peak1low

Thu 29: 1 · Fri 30: 1 · Sat 31: 0

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

30.0030.2030.40 30.33

Steady now (−0.01 inHg in 3 hours). Over the next 48 hours: +0.14 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityFair · 21

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
Tue 27	Heavy drizzle	46 / 52 °F	0.31 in	19 mph SW
Mon 26	Light rain	47 / 63 °F	0.58 in	22 mph S
Sun 25	Drizzle	47 / 52 °F	0.15 in	26 mph W
Sat 24	Light rain	47 / 59 °F	0.88 in	27 mph SW
Fri 23	Rain	44 / 52 °F	0.54 in	21 mph NW
Thu 22	Rain	43 / 53 °F	0.48 in	16 mph ENE
Wed 21	Heavy drizzle	46 / 51 °F	0.39 in	20 mph WNW

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Tue 20	Drizzle	46 / 56 °F	0.19 in	21 mph SE
Mon 19	Overcast	38 / 53 °F	0	9 mph ENE
Sun 18	Overcast	38 / 55 °F	0	4 mph ESE
Sat 17	Clear sky	38 / 55 °F	0	6 mph NE
Fri 16	Drizzle	44 / 56 °F	0.08 in	11 mph NW
Thu 15	Heavy drizzle	49 / 60 °F	0.26 in	19 mph WSW
Wed 14	Light drizzle	51 / 63 °F	0.02 in	19 mph S
Tue 13	Light rain	51 / 63 °F	0.18 in	17 mph WSW
Mon 12	Light rain	58 / 65 °F	0.10 in	20 mph S
Sun 11	Light drizzle	49 / 60 °F	0.06 in	17 mph SE
Sat 10	Light drizzle	50 / 56 °F	0.01 in	15 mph WNW
Fri 9	Heavy drizzle	52 / 60 °F	0.27 in	20 mph W
Thu 8	Drizzle	45 / 60 °F	0.30 in	18 mph SW
Wed 7	Light drizzle	44 / 56 °F	0.02 in	15 mph NW
Tue 6	Light rain	48 / 59 °F	0.48 in	9 mph N
Mon 5	Light drizzle	60 / 64 °F	0.11 in	12 mph WSW
Sun 4	Light drizzle	52 / 66 °F	0.03 in	14 mph SSW
Sat 3	Overcast	46 / 61 °F	0	9 mph S
Fri 2	Light rain	50 / 61 °F	0.32 in	18 mph SSW
Thu 1	Drizzle	49 / 61 °F	0.11 in	15 mph S
Wed 30	Light drizzle	52 / 61 °F	0.02 in	17 mph S
Tue 29	Light drizzle	55 / 66 °F	0.11 in	28 mph SE
Mon 28	Overcast	45 / 62 °F	0	15 mph SSE

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 ShannonQuestions

What's the weather like today in Shannon?

Light showers, from 53 °F to 59 °F, with a gentle breeze from the south-southeast (11 mph) and a 96% chance of rain.

Will it rain tomorrow in Shannon?

On Thursday 29 the chance of rain is 0% (0.00 in): overcast.

How warm will it be this week?

Between a low of 40 °F and a high of 60 °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 30.19 inHg and steady: +0.21 inHg over the last 24 hours.

When is the best time to visit Shannon?

The best time to visit Shannon is from June to August: highs of 65 °F to 67 °F, about 12 rainy days a month and 5 hours of sunshine a day.

What is the weather like in Shannon in October?

In October, Shannon normally sees highs of 58 °F and lows of 46 °F, with about 14 rainy days (4.00 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 Shannon?

The warmest is July, with average highs of 67 °F, and the coldest January, with lows of 38 °F. The wettest is November (4.71 in) and the driest, May.

More about Shannon today

Weather near Shannon

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 5.7 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 11:55 pm (local time).

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