Weather Grand-Santi today
Weather forecast Grand-Santi Jan. 9, 2026
During the day overcast, later morning rain showers, in the afternoon initially rain showers, later heavy rain. The highest temperature 84 °F. Total rainfall 0.35 in. At night the lowest temperature 73 °F. Total rainfall 0.01 in.
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Weather forecast Grand-Santi, French Guiana extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Today, Friday 01/09/2026 |
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| 12 AM
10 PM
| overcast | 73 °F 81 °F |
0.0 in | 7 fps 4 mph east |
29.9 in | 94 % | 72 °F | 100 % | 0% | 14% | 14% | 100% | |
| 1 AM
11 PM
| overcast | 73 °F 81 °F |
0.0 in | 6 fps 4 mph east-northeast |
29.9 in | 95 % | 70 °F | 100 % | 0% | 33% | 3% | 100% | |
| 2 AM
12 AM
| overcast | 73 °F 81 °F |
0.0 in | 5 fps 4 mph northeast |
29.9 in | 95 % | 70 °F | 100 % | 0% | 96% | 0% | 100% | |
| 3 AM
1 AM
| overcast | 73 °F 82 °F |
0.0 in | 6 fps 4 mph northeast |
29.9 in | 96 % | 72 °F | 100 % | 0% | 100% | 0% | 99% | |
| 4 AM
2 AM
| overcast | 73 °F 81 °F |
0.0 in | 6 fps 4 mph east-northeast |
29.8 in | 95 % | 72 °F | 100 % | 0% | 100% | 1% | 100% | |
| 5 AM
3 AM
| overcast | 73 °F 81 °F |
0.0 in | 6 fps 4 mph northeast |
29.8 in | 95 % | 72 °F | 100 % | 0% | 100% | 1% | 100% | |
| 6 AM
4 AM
| overcast | 73 °F 82 °F |
0.0 in | 6 fps 4 mph northeast |
29.8 in | 96 % | 72 °F | 100 % | 0% | 100% | 4% | 99% | |
| 7 AM
5 AM
| overcast | 73 °F 81 °F |
0.0 in | 6 fps 4 mph northeast |
29.9 in | 95 % | 72 °F | 100 % | 0% | 100% | 3% | 97% | |
| 8 AM
6 AM
| overcast | 75 °F 84 °F |
0.0 in | 9 fps 6 mph east-northeast |
29.9 in | 94 % | 72 °F | 100 % | 0% | 100% | 0% | 98% | |
| 9 AM
7 AM
| light rain | 75 °F 82 °F |
0.00 in | 12 fps 8 mph east-northeast |
29.9 in | 90 % | 72 °F | 100 % | 0% | 100% | 0% | 82% | |
| 10 AM
8 AM
| light rain | 77 °F 84 °F |
0.01 in | 11 fps 8 mph east-northeast |
29.9 in | 85 % | 72 °F | 99 % | 0% | 99% | 0% | 31% | |
| 11 AM
9 AM
| cloudy | 81 °F 88 °F |
0.0 in | 10 fps 7 mph east-northeast |
29.9 in | 77 % | 72 °F | 47 % | 0% | 25% | 6% | 28% | |
| 12 PM
10 AM
| light rain | 84 °F 93 °F |
0.00 in | 11 fps 7 mph east |
29.9 in | 71 % | 72 °F | 100 % | 0% | 100% | 10% | 0% | |
| 1 PM
11 AM
| heavy rain showers | 82 °F 90 °F |
0.05 in | 10 fps 7 mph east-northeast |
29.9 in | 69 % | 72 °F | 81 % | 0% | 76% | 26% | 0% | |
| 2 PM
12 PM
| light rain showers | 82 °F 90 °F |
0.01 in | 10 fps 7 mph east-southeast |
29.8 in | 73 % | 73 °F | 80 % | 0% | 70% | 17% | 7% | |
| 3 PM
1 PM
| heavy rain | 84 °F 93 °F |
0.26 in | 11 fps 7 mph east-southeast |
29.8 in | 70 % | 73 °F | 99 % | 0% | 84% | 12% | 96% | |
| 9 PM
7 PM
| overcast | 73 °F 82 °F |
0.00 in | 6 fps 4 mph northeast |
29.9 in | 98 % | 72 °F | 98 % | 0% | 29% | 7% | 97% | |
Tomorrow, Saturday 01/10/2026 |
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| 3 AM
1 AM
| overcast | 73 °F 82 °F |
0.01 in | 4 fps 3 mph northeast |
29.8 in | 97 % | 72 °F | 100 % | 0% | 100% | 7% | 3% | |
| 9 AM
7 AM
| rain showers | 75 °F 84 °F |
0.05 in | 7 fps 5 mph east-northeast |
29.9 in | 94 % | 72 °F | 42 % | 0% | 41% | 1% | 0% | |
| 3 PM
1 PM
| heavy rain showers | 82 °F 91 °F |
0.54 in | 6 fps 4 mph north-northeast |
29.8 in | 76 % | 73 °F | 81 % | 0% | 25% | 19% | 68% | |
| 9 PM
7 PM
| cloudy | 73 °F 82 °F |
0.0 in | 4 fps 3 mph east-northeast |
29.8 in | 98 % | 72 °F | 73 % | 0% | 3% | 40% | 53% | |
Grand-Santi, French Guiana - information
State: French GuianaGPS coordinates: 4.2730; -54.3815
Time zone: America / Cayenne
time difference in hours with time in NY is -4 hours
Population: 3 941
Altitude: 196 ft
The administrative part:
- Guyane, Cayenne
- Département de la Guyane, Saint-Laurent-Du-Maroni
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Data source
Weather forecast for Grand-Santi is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.⇵ Weather with Meteobox for your website
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Astronomical information Grand-Santi
data are always in the local timeSun and light
Jan. 9, 2026
| Sunrise: | Sunset: |
| 6:47 am | 6:41 pm |
| Noon: | Length of day: |
| 12:44 pm | 11:54 |
| Start of civil twilight*: | End of civil twilight*: |
| 6:24 am | 7:04 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 5:59 am | 7:29 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 5:33 am | 7:55 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 01/08/2026 11:25 pm | 01/09/2026 11:43 am |
| Next new moon: | Next full moon: |
| 01/18/2026 | 02/01/2026 |
