Weather in Mystic Island

14-day forecast · updated today, Wednesday, October 28, at 7:04 pm (EDT)

Now · mainly clear 55 °F

Feels like: 53 °F
Low / high: 42 / 64 °F
Rain: 0%
Wind: 5 mph ESE

→ 30.39 inHg · steady

Today in Mystic Island: overcast, 42 °F to 64 °F, with a 0% chance of rain and a light breeze from the east-southeast (5 mph). Tomorrow, partly cloudy, 47 °F to 67 °F and a 1% chance of rain. The warmest day of the week is Friday 30, at 72 °F. Next likely rain: Tuesday 3 (16%).

Temperatures for the next 14 days

64° 42°
Today
67° 47°
Thu 29
72° 49°
Fri 30
61° 40°
Sat 31
63° 42°
Sun 1
66° 46°
Mon 2
66° 49°
Tue 3
67° 52°
Wed 4
66° 54°
Thu 5
65° 51°
Fri 6
61° 47°
Sat 7
59° 42°
Sun 8
59° 37°
Mon 9
60° 37°
Tue 10

Day by day

Day	Sky	Low / high	Rain	Max wind	Max wave	High tides	Model
Today · 28	Overcast	42 / 64 °F	0%	10 mph ENE	2.5 ft	10:28 am · 10:56 pm	HRRR
Thu 29	Partly cloudy	47 / 67 °F	1%	7 mph S	1.9 ft	11:22 am · 11:56 pm	HRRR + NBM
Fri 30	Clear sky	49 / 72 °F	3%	9 mph WNW	2.2 ft	12:22 pm	NBM
Sat 31	Overcast	40 / 61 °F	0%	8 mph N	2.2 ft	1:01 am · 1:27 pm	NBM
Sun 1	Overcast	42 / 63 °F	0%	5 mph SSE	1.4 ft	1:07 am · 1:31 pm	NBM
Mon 2	Overcast	46 / 66 °F	8%	6 mph SSW	1.4 ft	2:10 am · 2:31 pm	NBM
Tue 3	Overcast	49 / 66 °F	16% · 0.06 in	9 mph E	1.7 ft	3:10 am · 3:31 pm	NBM
Wed 4	Clear sky	52 / 67 °F	21% · 0.36 in	11 mph E	2.4 ft	4:10 am · 4:31 pm	NBM
Thu 5	Overcast	54 / 66 °F	40% · 0.87 in	13 mph E	4.0 ft	5:07 am · 5:27 pm	NBM
Fri 6	Rain	51 / 65 °F	40% · 0.53 in	11 mph W	7.0 ft	5:58 am · 6:17 pm	NBM
Sat 7	Rain	47 / 61 °F	20% · 0.11 in	11 mph NW	4.6 ft	6:42 am · 7:02 pm	NBM
Sun 8	Mainly clear	42 / 59 °F	13% · 0.01 in	10 mph NW	3.7 ft	7:21 am · 7:44 pm	NBM + ECMWF
Mon 9	Clear sky	37 / 59 °F	14%	7 mph N	2.5 ft	7:59 am · 8:24 pm	ECMWF
Tue 10	Overcast	37 / 60 °F	13%	6 mph NE	1.8 ft	8:35 am · 9:05 pm	ECMWF

Each hour comes from the best model for this spot: HRRR until Thursday 29 2:00 pm; then NBM until Sunday 8 2:00 pm; then ECMWF until Thursday 12 10:00 am; 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	Clear	Clear	Clear	Clear sky	Mainly clear	Overcast	Overcast	Clear
Temperature	46°	44°	42°	48°	63°	63°	57°	55°
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)	3 NNW	3 NNE	3 NNW	5 NNE	9 ENE	5 ESE	5 ESE	6 SE
Humidity	81%	85%	88%	97%	67%	61%	75%	81%
UV	0	0	0	1	4	2	0	0
Model	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR	HRRR

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	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	64°	68°	72°	60°	64°	68°	71°
AIFS	64°	67°	73°	60°	63°	66°	68°
GFS	63°	69°	72°	60°	62°	64°	66°
ICON	64°	68°	74°	60°	64°	74°	67°
HRRR	64°	67°	—	—	—	—	—
NBM	64°	67°	72°	61°	63°	66°	66°
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	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
HRRR	0	0	—	—	—	—	—
NBM	0	0	0	0	0	0	0.05 in
Confidence	high	high	high	high	high	high	high

Do the models agree? · Wind
Wind (mph)	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	819	715	1021	921	721	620	921
AIFS	7	8	10	9	5	7	6
GFS	910	813	1226	919	79	510	920
ICON	718	615	922	818	818	818	1124
HRRR	1012	1015	—	—	—	—	—
NBM	812	711	916	814	59	610	914
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)	0%	0%	0%	0%	0%	0%	0%
GFS (GEFS, 31 scenarios)	0%	0%	0%	0%	0%	19%	29%
NBM (NOAA)	0%	1%	3%	0%	0%	8%	16%
Thunderstorm (NBM)	0%	0%	0%	0%	0%	1%	1%

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, a bit wetter and a slightly warmer sea.

Next 6 weeks

When	TemperatureTemp.	Rain	Sea	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	Above +5.2 °F	Above +56%	A bit above +0.7 °F	—
Nov 9 – Nov 15Nov 9–Nov 15	Normal +0.7 °F	Normal	A bit above +1.1 °F	56° / 49°
Nov 16 – Nov 22Nov 16–Nov 22	A bit above +2.0 °F	Normal	A bit above +1.1 °F	55° / 48°
Nov 23 – Nov 29Nov 23–Nov 29	A bit above +2.3 °F	Above +51%	A bit above +1.4 °F	52° / 47°
Nov 30 – Dec 6Nov 30–Dec 6	A bit above +1.8 °F	A bit above +29%	A bit above +1.3 °F	51° / 45°

Coming months

When	TemperatureTemp.	Rain	Sea
November	A bit above +1.3 °F	A bit above +28%	Normal +0.4 °F
December	A bit above +2.2 °F	A bit above +27%	A bit above +1.1 °F
January	Above +3.1 °F	A bit above +39%	Above +1.8 °F
February	A bit above +2.2 °F	A bit above +37%	Above +1.8 °F
March	A bit above +2.0 °F	A bit above +29%	A bit above +1.3 °F

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.

Mystic Island climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Mystic Island is from May to September: highs of 71 °F to 85 °F, about 9 rainy days a month and 7 hours of sunshine a day.

Hurricane season: from July to September. In the last 30 years (1996–2025), 10 tropical cyclones passed within 93 mi of Mystic Island, about 3 every 10 years; 2 of them with hurricane-force winds (74 mph or more). The most recent: Elsa, in July 2021.

42° 26°

JanJ
45° 27°

FebF
52° 33°

MarM
62° 42°

AprA
71° 51°

MayM
80° 61°

JunJ
85° 67°

JulJ
83° 66°

AugA
77° 59°

SepS
67° 47°

OctO
57° 38°

NovN
47° 30°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water	Waves	Cyclones
JanuaryJan	42°	26°	3.37 in	8	3.9	42°	3.8 ft	–
FebruaryFeb	45°	27°	3.15 in	8	5.3	39°	3.7 ft	–
MarchMar	52°	33°	4.38 in	9	5.6	41°	3.8 ft	–
AprilApr	62°	42°	3.57 in	8	6.3	47°	3.8 ft	–
MayMay	71°	51°	3.15 in	9	6.9	56°	3.2 ft	–
JuneJun	80°	61°	3.65 in	10	7.6	66°	2.7 ft	1
JulyJul	85°	67°	3.91 in	10	7.8	73°	2.7 ft	3
AugustAug	83°	66°	4.94 in	9	7.2	75°	2.7 ft	3
SeptemberSep	77°	59°	3.52 in	8	6.1	72°	3.6 ft	2
OctoberOct	67°	47°	4.04 in	7	5.1	65°	3.9 ft	1
NovemberNov	57°	38°	3.33 in	7	4.4	56°	3.8 ft	–
DecemberDec	47°	30°	4.04 in	9	3.7	48°	3.7 ft	–

Month	Water	Waves	Cyclones
Jan	42°	3.8 ft	–
Feb	39°	3.7 ft	–
Mar	41°	3.8 ft	–
Apr	47°	3.8 ft	–
May	56°	3.2 ft	–
Jun	66°	2.7 ft	1
Jul	73°	2.7 ft	3
Aug	75°	2.7 ft	3
Sep	72°	3.6 ft	2
Oct	65°	3.9 ft	1
Nov	56°	3.8 ft	–
Dec	48°	3.7 ft	–

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

A normal year brings 45.04 in of rain on about 100 days and about 2,100 hours of sunshine.

Cyclones: how many tropical cyclones (tropical storms, hurricanes and typhoons) passed within 93 mi in each month from 1996 to 2025, according to IBTrACS (NOAA).

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

Now55 °Ffeels like 53 °F

Tomorrow47 / 67 °F

It's 55 °F now (feels like 53 °F). Today, 42 °F to 64 °F; tomorrow, 47 °F to 67 °F.

Chance of rain

Today 0%
Thu 29 1%
Fri 30 3%
Sat 31 0%
Sun 1 0%
Mon 2 8%
Tue 3 16% 0.06 in

Today the chance of rain reaches 0%. The next day with likely rain is Tuesday 3: 16% and 0.06 in.

No rain in the last 7 days.

Humidity and dew point

Humidity78%

Dew point49 °F

Humidity is 78% now and the dew point is 49 °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

Now12 migood

Clouds27%

Visibility is good now (12 mi). No fog expected today.

UV index

Now0

Today's peak4moderate

Thu 29: 4 · Fri 30: 4 · Sat 31: 4

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 30.06

Steady now (+0.01 inHg in 3 hours). Over the next 48 hours: −0.25 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityGood · 37

Saharan dustNo

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	Max wind
Tue 27	Mainly clear	49 / 65 °F	8 mph NE
Mon 26	Clear sky	40 / 68 °F	8 mph W
Sun 25	Partly cloudy	35 / 66 °F	5 mph NW
Sat 24	Partly cloudy	37 / 63 °F	6 mph N
Fri 23	Partly cloudy	47 / 60 °F	12 mph NE
Thu 22	Partly cloudy	46 / 67 °F	11 mph NNW
Wed 21	Overcast	49 / 64 °F	13 mph N

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Tue 20	Partly cloudy	47 / 68 °F	0	13 mph N
Mon 19	Clear sky	42 / 64 °F	0	11 mph NNE
Sun 18	Clear sky	39 / 60 °F	0	11 mph NNE
Sat 17	Heavy drizzle	46 / 64 °F	0.40 in	14 mph NNW
Fri 16	Light rain	61 / 75 °F	0.74 in	11 mph SSW
Thu 15	Overcast	59 / 73 °F	0	11 mph NE
Wed 14	Overcast	66 / 83 °F	0	11 mph WSW
Tue 13	Mainly clear	55 / 77 °F	0	11 mph SW
Mon 12	Rain	56 / 72 °F	0.56 in	12 mph NNW
Sun 11	Rain	63 / 68 °F	1.78 in	18 mph E
Sat 10	Overcast	50 / 71 °F	0	11 mph ENE
Fri 9	Overcast	49 / 74 °F	0	9 mph W
Thu 8	Clear sky	57 / 77 °F	0	11 mph WSW
Wed 7	Mainly clear	43 / 68 °F	0	9 mph SSW
Tue 6	Clear sky	48 / 64 °F	0	8 mph NW
Mon 5	Overcast	56 / 72 °F	0	11 mph WNW
Sun 4	Light rain	58 / 65 °F	0.28 in	11 mph NE
Sat 3	Drizzle	59 / 69 °F	0.27 in	10 mph NNE
Fri 2	Heavy drizzle	67 / 84 °F	0.14 in	9 mph SW
Thu 1	Overcast	63 / 80 °F	0	8 mph SSW
Wed 30	Light drizzle	63 / 76 °F	0.01 in	6 mph WSW
Tue 29	Overcast	62 / 73 °F	0	8 mph WNW
Mon 28	Light drizzle	60 / 67 °F	0.08 in	9 mph NW

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 Mystic IslandQuestions

What's the weather like today in Mystic Island?

Overcast, from 42 °F to 64 °F, with a light breeze from the east-southeast (5 mph) and a 0% chance of rain.

Will it rain tomorrow in Mystic Island?

On Thursday 29 the chance of rain is 1% (0.00 in): partly cloudy.

How warm will it be this week?

Between a low of 40 °F and a high of 72 °F; the warmest day, Friday 30.

What's the UV index today?

It reaches 4 (moderate). Hat, sunglasses and sunscreen around midday.

Is the pressure rising or falling?

It's 30.39 inHg and steady: +0.03 inHg over the last 24 hours.

When is the best time to visit Mystic Island?

The best time to visit Mystic Island is from May to September: highs of 71 °F to 85 °F, about 9 rainy days a month and 7 hours of sunshine a day.

What is the weather like in Mystic Island in October?

In October, Mystic Island normally sees highs of 67 °F and lows of 47 °F, with about 7 rainy days (4.04 in for the month) and 5 hours of sunshine a day. The sea is around 65 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Mystic Island?

The warmest is July, with average highs of 85 °F, and the coldest January, with lows of 26 °F. The wettest is August (4.94 in) and the driest, February.

When is hurricane season in Mystic Island?

Hurricane season: from July to September. In the last 30 years (1996–2025), 10 tropical cyclones passed within 93 mi of Mystic Island, about 3 every 10 years; 2 of them with hurricane-force winds (74 mph or more). The most recent: Elsa, in July 2021.

More about Mystic Island today

Weather near Mystic Island

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 7.0 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 7:04 pm (local time).

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