Weather in Kourou

14-day forecast · updated today, Wednesday, October 28, at 6:55 pm (GMT-3)

Now · overcast 83 °F

Feels like: 90 °F
Low / high: 78 / 87 °F
Rain: 76% · 0.12 in
Wind: 11 mph ENE

↗ 29.87 inHg · rising UV 9 · very high

Today in Kourou: drizzle, 78 °F to 87 °F, with a 76% chance of rain (0.12 in) and a gentle breeze from the east-northeast (11 mph). Tomorrow, light drizzle, 81 °F to 88 °F and a 15% chance of rain. The warmest day of the week is Thursday 29, at 88 °F.

Temperatures for the next 14 days

87° 78°
Today
88° 81°
Thu 29
88° 80°
Fri 30
88° 77°
Sat 31
88° 82°
Sun 1
88° 78°
Mon 2
87° 79°
Tue 3
87° 79°
Wed 4
87° 81°
Thu 5
87° 81°
Fri 6
86° 80°
Sat 7
86° 80°
Sun 8
86° 78°
Mon 9
86° 81°
Tue 10

Day by day

Day	Sky	Low / high	Rain	Max wind	Max wave	High tides	Model
Today · 28	Drizzle	78 / 87 °F	76% · 0.12 in	11 mph E	2.6 ft	6:16 am · 6:33 pm	ECMWF
Thu 29	Light drizzle	81 / 88 °F	15% · 0.05 in	12 mph E	2.8 ft	7:00 am · 7:18 pm	ECMWF
Fri 30	Light drizzle	80 / 88 °F	23% · 0.04 in	13 mph E	2.7 ft	7:49 am · 8:09 pm	ECMWF
Sat 31	Partly cloudy	77 / 88 °F	18%	11 mph E	2.4 ft	8:45 am · 9:09 pm	ECMWF
Sun 1	Light drizzle	82 / 88 °F	41% · 0.03 in	12 mph E	2.4 ft	9:49 am · 10:17 pm	ECMWF
Mon 2	Light drizzle	78 / 88 °F	51% · 0.10 in	12 mph E	2.7 ft	11:00 am · 11:30 pm	ECMWF
Tue 3	Light drizzle	79 / 87 °F	68% · 0.11 in	12 mph E	3.0 ft	12:13 pm	ECMWF
Wed 4	Light drizzle	79 / 87 °F	22% · 0.06 in	10 mph E	2.8 ft	12:45 am · 1:24 pm	ECMWF
Thu 5	Light drizzle	81 / 87 °F	28% · 0.12 in	12 mph E	2.8 ft	1:55 am · 2:26 pm	ECMWF
Fri 6	Mainly clear	81 / 87 °F	36%	13 mph E	3.9 ft	2:54 am · 3:16 pm	ECMWF
Sat 7	Light drizzle	80 / 86 °F	43% · 0.14 in	13 mph E	3.8 ft	3:42 am · 3:58 pm	ECMWF
Sun 8	Light drizzle	80 / 86 °F	47% · 0.16 in	7 mph ENE	3.6 ft	4:23 am · 4:36 pm	ECMWF
Mon 9	Light drizzle	78 / 86 °F	41% · 0.06 in	11 mph E	3.5 ft	4:58 am · 5:11 pm	ECMWF
Tue 10	Light drizzle	81 / 86 °F	45% · 0.11 in	15 mph E	4.4 ft	5:31 am · 5:43 pm	ECMWF

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 drizzle	Overcast	Overcast	Light drizzle	Drizzle	Light drizzle	Light drizzle	Overcast
Temperature	78°	78°	79°	86°	83°	87°	83°	83°
Chance of rain	43%	8%	6%	22%	69%	71%	22%	0%
Rain	0.01 in	0.00 in	0.00 in	0.00 in	0.02 in	0.00 in	0.01 in	0.00 in
Wind (mph)	4 NE	5 ENE	5 ESE	10 ENE	7 ESE	9 ENE	11 ENE	10 E
Humidity	93%	91%	90%	71%	78%	68%	79%	79%
UV	0	0	0	3	9	4	0	0
Model	ECMWF	ECMWF	ECMWF	ECMWF	ECMWF	ECMWF	ECMWF	ECMWF

Do the models agree?

Medium confidence

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

What 4 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	87°	88°	88°	88°	88°	88°	87°
AIFS	87°	88°	89°	89°	89°	89°	89°
GFS	94°	91°	91°	92°	92°	93°	92°
ICON	90°	89°	90°	89°	90°	91°	91°
Confidence	medium	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	0.12 in	0.05 in	0.04 in	0	0.03 in	0.10 in	0.11 in
AIFS	0.07 in	0.06 in	0.02 in	0	0.02 in	0.05 in	0.02 in
GFS	0.10 in	0	0	0.01 in	0	0.01 in	0
ICON	0	0	0	0	0	0	0
Confidence	medium	medium	high	high	high	medium	medium

Do the models agree? · Wind
Wind (mph)	Today	Thu 29	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3
ECMWF	1123	1226	1328	1124	1226	1229	1228
AIFS	9	11	11	11	11	11	12
GFS	919	1022	1021	921	922	1124	1226
ICON	819	1023	1124	922	1023	1124	1124
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)	76%	15%	23%	18%	41%	51%	68%
GFS (GEFS, 31 scenarios)	81%	6%	0%	0%	0%	3%	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, normal rain and a near-normal sea.

Next 6 weeks

When	TemperatureTemp.	Rain	Sea	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	A bit above +1.8 °F	Below −59%	A bit above +0.7 °F	—
Nov 9 – Nov 15Nov 9–Nov 15	A bit above +1.8 °F	A bit below −28%	A bit above +0.5 °F	84° / 80°
Nov 16 – Nov 22Nov 16–Nov 22	A bit above +1.3 °F	Normal	Normal +0.4 °F	84° / 79°
Nov 23 – Nov 29Nov 23–Nov 29	A bit above +1.3 °F	Normal	Normal +0.2 °F	83° / 79°
Nov 30 – Dec 6Nov 30–Dec 6	A bit above +1.4 °F	A bit below −21%	Normal 0.0 °F	83° / 79°

Coming months

When	TemperatureTemp.	Rain	Sea
November	A bit above +2.2 °F	A bit below −41%	A bit above +0.9 °F
December	A bit above +2.3 °F	A bit below −32%	A bit above +1.1 °F
January	Above +2.7 °F	A bit below −44%	A bit above +1.6 °F
February	Above +3.1 °F	A bit below −32%	Above +2.7 °F
March	Above +3.2 °F	Normal	Above +3.1 °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.

Kourou climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Kourou is from September to October: highs of 90 °F, about 8 rainy days a month and 9 hours of sunshine a day.

83° 73°

JanJ
84° 73°

FebF
85° 74°

MarM
85° 74°

AprA
85° 73°

MayM
85° 72°

JunJ
86° 71°

JulJ
88° 71°

AugA
89° 71°

SepS
90° 71°

OctO
88° 72°

NovN
85° 73°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water	Waves
JanuaryJan	83°	73°	10.60 in	24	4.9	80°	4.5 ft
FebruaryFeb	84°	73°	8.39 in	21	5.0	80°	4.8 ft
MarchMar	85°	74°	8.40 in	21	5.5	81°	4.5 ft
AprilApr	85°	74°	12.78 in	24	5.5	81°	4.2 ft
MayMay	85°	73°	17.78 in	29	5.0	82°	3.9 ft
JuneJun	85°	72°	12.07 in	28	6.2	82°	3.3 ft
JulyJul	86°	71°	6.95 in	25	7.1	83°	2.9 ft
AugustAug	88°	71°	3.16 in	17	8.1	83°	2.6 ft
SeptemberSep	89°	71°	1.87 in	8	8.6	82°	2.8 ft
OctoberOct	90°	71°	2.21 in	8	8.5	83°	3.1 ft
NovemberNov	88°	72°	3.67 in	15	7.2	82°	3.5 ft
DecemberDec	85°	73°	10.89 in	25	5.2	81°	4.2 ft

Month	Water	Waves
Jan	80°	4.5 ft
Feb	80°	4.8 ft
Mar	81°	4.5 ft
Apr	81°	4.2 ft
May	82°	3.9 ft
Jun	82°	3.3 ft
Jul	83°	2.9 ft
Aug	83°	2.6 ft
Sep	82°	2.8 ft
Oct	83°	3.1 ft
Nov	82°	3.5 ft
Dec	81°	4.2 ft

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

A normal year brings 98.78 in of rain on about 244 days and about 2,350 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

Now83 °Ffeels like 90 °F

Tomorrow81 / 88 °F

It's 83 °F now (feels like 90 °F). Today, 78 °F to 87 °F; tomorrow, 81 °F to 88 °F.

Chance of rain

Today 76% 0.12 in
Thu 29 15% 0.05 in
Fri 30 23% 0.04 in
Sat 31 18%
Sun 1 41% 0.03 in
Mon 2 51% 0.10 in
Tue 3 68% 0.11 in

Today the chance of rain reaches 76%, with 0.12 in in total. The next day with likely rain is Thursday 29: 15% and 0.05 in.

Recent rain: last 24 hours, 0.14 in; last 3 days, 0.14 in; last 7 days, 0.44 in.

Humidity and dew point

Humidity80%

Dew point76 °F

Humidity is 80% now and the dew point is 76 °F. With a dew point this high, it feels muggy.

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

Visibility and fog

Now15 migood

Clouds98%

Visibility is good now (15 mi). No fog expected today.

The model gives visibility up to about 15 mi: beyond that, the horizon is clear.

UV index

Now0

Today's peak9very high

Thu 29: 9 · Fri 30: 10 · Sat 31: 11

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

29.8029.9030.00 29.79

Rising now (+0.03 inHg in 3 hours). Over the next 48 hours: −0.06 inHg. Rising pressure: anglers say fish bite less for a while. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityGood · 19

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	Rain	Max wind
Tue 27	Light drizzle	76 / 89 °F	0.02 in	11 mph ENE
Mon 26	Overcast	80 / 88 °F	0	10 mph E
Sun 25	Light drizzle	80 / 88 °F	0.02 in	9 mph E
Sat 24	Light drizzle	80 / 87 °F	0.04 in	10 mph ENE
Fri 23	Light drizzle	77 / 88 °F	0.07 in	8 mph ENE
Thu 22	Drizzle	77 / 88 °F	0.17 in	12 mph E
Wed 21	Light drizzle	80 / 88 °F	0.01 in	13 mph E

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Tue 20	Light drizzle	79 / 88 °F	0.02 in	14 mph ESE
Mon 19	Light drizzle	78 / 88 °F	0.01 in	14 mph E
Sun 18	Light drizzle	79 / 88 °F	0.06 in	10 mph E
Sat 17	Light drizzle	80 / 88 °F	0.03 in	9 mph ENE
Fri 16	Light drizzle	79 / 87 °F	0.07 in	10 mph E
Thu 15	Light drizzle	80 / 88 °F	0.04 in	11 mph E
Wed 14	Overcast	78 / 88 °F	0	17 mph ESE
Tue 13	Light drizzle	78 / 88 °F	0.05 in	16 mph ESE
Mon 12	Light drizzle	80 / 88 °F	0.01 in	10 mph ENE
Sun 11	Partly cloudy	79 / 88 °F	0	9 mph ENE
Sat 10	Light drizzle	79 / 87 °F	0.04 in	9 mph E
Fri 9	Light drizzle	80 / 87 °F	0.05 in	12 mph E
Thu 8	Partly cloudy	76 / 88 °F	0	13 mph E
Wed 7	Partly cloudy	78 / 88 °F	0	13 mph ESE
Tue 6	Light drizzle	79 / 88 °F	0.01 in	14 mph E
Mon 5	Mainly clear	80 / 87 °F	0	15 mph E
Sun 4	Light showers	75 / 88 °F	0.24 in	16 mph ESE
Sat 3	Drizzle	76 / 86 °F	0.13 in	9 mph ENE
Fri 2	Overcast	79 / 88 °F	0	10 mph E
Thu 1	Mainly clear	80 / 88 °F	0	13 mph E
Wed 30	Light drizzle	80 / 88 °F	0.04 in	14 mph E
Tue 29	Light drizzle	79 / 88 °F	0.02 in	12 mph E
Mon 28	Mainly clear	80 / 88 °F	0	11 mph E

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 KourouQuestions

What's the weather like today in Kourou?

Drizzle, from 78 °F to 87 °F, with a gentle breeze from the east-northeast (11 mph) and a 76% chance of rain.

Will it rain tomorrow in Kourou?

On Thursday 29 the chance of rain is 15% (0.05 in): light drizzle.

How warm will it be this week?

Between a low of 77 °F and a high of 88 °F; the warmest day, Thursday 29.

What's the UV index today?

It reaches 9 (very high). Avoid the midday sun; reflection off the water adds to it.

Is the pressure rising or falling?

It's 29.87 inHg and rising: −0.02 inHg over the last 24 hours.

When is the best time to visit Kourou?

The best time to visit Kourou is from September to October: highs of 90 °F, about 8 rainy days a month and 9 hours of sunshine a day.

What is the weather like in Kourou in October?

In October, Kourou normally sees highs of 90 °F and lows of 71 °F, with about 8 rainy days (2.21 in for the month) and 8 hours of sunshine a day. The sea is around 83 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Kourou?

The warmest is October, with average highs of 90 °F, and the coldest July, with lows of 71 °F. The wettest is May (17.78 in) and the driest, September.

More about Kourou today

Weather near Kourou

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 9.5 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 6:55 pm (local time).

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