Today
Sun, Jun 21
Slight rain showers
30°24°
- Rain chance
- 100%
- Precip
- 5.5 mm
- Max wind
- 16 km/h
Kourou air quality
Guyane, French Guiana · Cayenne time · 5.16°, -52.64°
Current conditions · 12:00 PM local
Current conditions in Kourou
30°C
Clear sky
Feels like 35°C
- Humidity
- 63%
- Wind
- 12 km/h NE
- Gusts
- 31 km/h
- UV index
- 7.9
- Visibility
- 19.3 km
Air quality
13
Good
US AQI · European AQI 14
Air quality in Kourou is currently good, with a US AQI of 13 (European AQI 14). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 3.9 µg/m³.
Pollutants
- PM2.5
- 3.9 µg/m³
- PM10
- 6.7 µg/m³
- Ozone (O₃)
- 34 µg/m³
- NO₂
- 0.1 µg/m³
- SO₂
- 0.1 µg/m³
- CO
- 99 µg/m³
- Dust
- 1 µg/m³
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now
Right now in Kourou, it's clear sky with the temperature at 30 °C. It feels warmer than it reads, more like 35 °C. Wind is from the NE at 12 km/h, gusting to 31 km/h. Humidity stands at 63% with sea-level pressure near 1014 hPa.
At a glance
Today
30° / 24°Slight rain showers · rain likely (100%)
Tomorrow
29° / 24°Moderate drizzle · rain likely (73%)
Upcoming · to Saturday
30° / 22°Highs 30°, lows 22°. The most active day looks like Thursday, when rain chances peak at 93%.
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Next 3 days
Expect slight rain showers today, between 24 °C and 30 °C. Rain chance peaks at 100% with around 5.5 mm possible. Tomorrow looks like moderate drizzle; temperatures run from 24 °C up to 29 °C. Rain chance peaks at 73% with around 5.8 mm possible. Tuesday brings slight rain showers with a high of 28 °C and a low of 23 °C. Rain chance peaks at 88% with around 6.9 mm possible.
Tomorrow
Mon, Jun 22
Moderate drizzle
29°24°
- Rain chance
- 73%
- Precip
- 5.8 mm
- Max wind
- 13 km/h
Tuesday
Tue, Jun 23
Slight rain showers
28°23°
- Rain chance
- 88%
- Precip
- 6.9 mm
- Max wind
- 16 km/h
Next 48 hours
- 12 AM26°35%9 km/h
- 1 AM25°56%5 km/h
- 2 AM24°79%2 km/h
- 3 AM24°96%9 km/h
- 4 AM24°100%5 km/h
- 5 AM24°100%4 km/h
- 6 AM24°96%3 km/h
- 7 AM25°72%5 km/h
- 8 AM26°40%6 km/h
- 9 AM27°18%9 km/h
- 10 AM29°19%10 km/h
- 11 AM30°30%12 km/h
- 12 PM30°37%12 km/h
- 1 PM30°33%13 km/h
- 2 PM30°24%15 km/h
- 3 PM29°18%15 km/h
- 4 PM29°17%15 km/h
- 5 PM28°20%16 km/h
- 6 PM28°25%13 km/h
- 7 PM27°36%13 km/h
- 8 PM27°49%13 km/h
- 9 PM27°59%13 km/h
- 10 PM27°60%13 km/h
- 11 PM26°58%11 km/h
- 12 AM26°57%11 km/h
- 1 AM25°62%9 km/h
- 2 AM25°69%9 km/h
- 3 AM25°73%8 km/h
- 4 AM24°72%6 km/h
- 5 AM24°69%8 km/h
- 6 AM24°65%4 km/h
- 7 AM25°62%6 km/h
- 8 AM26°58%5 km/h
- 9 AM26°57%7 km/h
- 10 AM28°60%7 km/h
- 11 AM28°65%8 km/h
- 12 PM28°67%11 km/h
- 1 PM29°63%10 km/h
- 2 PM29°55%12 km/h
- 3 PM29°47%13 km/h
- 4 PM28°39%13 km/h
- 5 PM28°31%12 km/h
- 6 PM27°24%12 km/h
- 7 PM26°20%12 km/h
- 8 PM26°17%12 km/h
- 9 PM26°18%12 km/h
- 10 PM26°23%11 km/h
- 11 PM26°32%12 km/h
In depth
Kourou starts the period under clear sky, with the mercury at 30 °C and a feels-like of 35 °C. Today's forecast calls for slight rain showers, topping out near 30 °C before falling back to 24 °C overnight. Winds blow mainly from the ENE around 16 km/h, with gusts up to 36 km/h. Daytime highs hold fairly steady this week, staying within 28 to 30 °C. Rain is in the picture on today, tomorrow, Tuesday and beyond, with roughly 65 mm expected in total across the week. Tomorrow brings moderate drizzle with a high of 29 °C and a 73% chance of precipitation. The UV index reaches 8 today, so sun protection is sensible during the middle of the day. Sunrise comes at 06:19 and sunset at 18:45, giving 12.4 hours of daylight. Current humidity sits at 63% with pressure near 1014 hPa. Looking further out, Thursday shows slight rain showers with a high around 28 °C, while Saturday ends the week at 28 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Sun & UV
- Sunrise
- 6:19 AM
- Sunset
- 6:45 PM
- Daylight
- 12h 25m
- Max UV
- 8.35 Very high
Wind
- Wind
- 12 km/h
- Gusts
- 31 km/h
- Direction
- NE (56°)
Farming weather
Soil temperatures today read surface 25.7 °C, 6 cm 26.5 °C, 18 cm 27.4 °C, 54 cm 27.3 °C. Soil moisture sits at 0-1 cm at 0.2 m³/m³, 3-9 cm at 0.2 m³/m³, 27-81 cm at 0.2 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Forecast rain (65 mm) roughly covers crop water demand (ET0 28 mm), so irrigation can likely be paused. A suitable spraying window opens around 07:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 151, maize 113.
- Topsoil moisture
- 0.221 m³/m³
- Soil temp
- 25°C
- ET₀ today
- 4.89 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 65.1 mm
- Wind
- 12 km/h
- Humidity
- 63%
Advisory summary
No weather alert thresholds are crossed for Kourou in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
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All data for Kourou
| Variable | Value |
|---|---|
| City | Kourou, Guyane, French Guiana |
| Coordinates | 5.16281, -52.64265 |
| Elevation | 7 m |
| Timezone | America/Cayenne |
| Population | 24,029 |
| Observed at (local) | 12:00 PM |
| Temperature (2 m) | 30°C |
| Apparent temperature | 35°C |
| Relative humidity (2 m) | 63% |
| Dew point (2 m) | 22°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 10% |
| Surface pressure | 1014 hPa |
| Sea-level pressure | 1014 hPa |
| Wind speed (10 m) | 12 km/h |
| Wind gusts (10 m) | 31 km/h |
| Wind direction (10 m) | 56° (NE) |
| Visibility | 19.3 km |
| UV index | 7.9 |
| Day / night | Day |
| Today max / min | 30°C / 24°C |
| Today feels-like max / min | 35°C / 28°C |
| Today precipitation sum | 5.5 mm |
| Today rain sum | 3.1 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 100% |
| Today max wind / gusts | 16 km/h / 36 km/h |
| Dominant wind direction | 65° (ENE) |
| Sunrise / sunset | 6:19 AM / 6:45 PM |
| Daylight duration | 12h 25m |
| Sunshine duration | 12h 09m |
| Max UV index | 8.35 |
| Reference evapotranspiration (ET₀) | 4.89 mm |
| Topsoil moisture (0–1 cm) | 0.221 m³/m³ |
| Surface soil temperature | 25°C |
| US AQI | 13 |
| European AQI | 14 |
| PM2.5 | 3.9 µg/m³ |
| PM10 | 6.7 µg/m³ |
| Ozone (O₃) | 34 µg/m³ |
| Nitrogen dioxide (NO₂) | 0.1 µg/m³ |
| Sulphur dioxide (SO₂) | 0.1 µg/m³ |
| Carbon monoxide (CO) | 99 µg/m³ |
| Dust | 1 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/gf/guyane/kourou" width="320" height="180" frameborder="0" title="Kourou weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Kourou tomorrow?
Rain is likely in Kourou tomorrow — the chance of precipitation reaches 73%, with around 5.8 mm expected.
What is the temperature in Kourou today?
Today Kourou sees slight rain showers with a high of 30 °C and a low of 24 °C.
How hot will it be in Kourou tomorrow?
Tomorrow's high in Kourou is forecast at 29 °C with moderate drizzle.
Is it windy in Kourou today?
No, not especially; gusts only reach up to 36 km/h today.
What is the UV index in Kourou today?
The UV index peaks at 8 today, which is very high.
What time is sunrise and sunset in Kourou today?
The sun rises at 06:19 and sets at 18:45 local time.
Is the air quality in Kourou good today?
Air quality is good right now, with a US AQI reading of 13.