Detailed weather forecast for Santa Marta, Colombia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Santa Marta
today🌧️34°💧 1.3 mm
Sun☁️31°💧 5.7 mm
Mon🌧️30°💧 1 mm
Tue🌧️30°💧 0.4 mm
Wed🌧️31°💧 0.2 mm
Thu🌧️31°💧 4.9 mm
Fri🌧️28°💧 3.4 mm
Sat🌧️30°💧 1 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Saturday 5 Sept in Santa Marta, the forecast high is 34°C. Typical daytime temperatures at this time of year range from 29°C to 32°C, so it will be exceptionally warm. It is warmer than 98% of similar days.
From 1981 to 2025, the 5-11 Sept period averaged 30°C by day. The coolest year was 1988 (28°C) and the warmest was 1986 (32°C). The current forecast averages 31°C - higher than in 73% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Santa Marta
Santa Marta 30 & 45-day weather - long-range outlook
Next 15 days · forecast
30°
around 28° at night · days with rain: 10
Weeks 3-4 · avg for September
33°
around 25° at night · rain chance 26%
Weeks 5-7 · avg for October
32°
around 25° at night · rain chance 31%
The 30 & 45-day outlook for Santa Marta: the next 15 days are a numerical forecast updated daily - on average 30° by day and 28° at night. Further out we rely on multi-year climate averages: around 33° in September, and about 32° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Santa Marta
Saturday5 September 2026
🌧️34°light rain
sunrise 05:47 · sunset 18:04 · night 29° · evening 33° · rain 1.25 mm · humidity 68% · wind 9 m/s · clouds 5%
Sunday6 September 2026
☁️31°overcast clouds
sunrise 05:47 · sunset 18:04 · night 28° · evening 28° · rain 5.74 mm · humidity 71% · wind 7 m/s · clouds 100%
Monday7 September 2026
🌧️30°light rain
sunrise 05:47 · sunset 18:03 · night 28° · evening 30° · rain 1.04 mm · humidity 70% · wind 7 m/s · clouds 89%
Tuesday8 September 2026
🌧️30°light rain
sunrise 05:47 · sunset 18:02 · night 29° · evening 31° · rain 0.44 mm · humidity 68% · wind 8 m/s · clouds 81%
Wednesday9 September 2026
🌧️31°light rain
sunrise 05:47 · sunset 18:02 · night 29° · evening 31° · rain 0.15 mm · humidity 68% · wind 8 m/s · clouds 92%
Thursday10 September 2026
🌧️31°light rain
sunrise 05:46 · sunset 18:01 · night 28° · evening 30° · rain 4.86 mm · humidity 66% · wind 7 m/s · clouds 78%
Friday11 September 2026
🌧️28°light rain
sunrise 05:46 · sunset 18:00 · night 28° · evening 29° · rain 3.39 mm · humidity 74% · wind 5 m/s · clouds 100%
Saturday12 September 2026
🌧️30°light rain
sunrise 05:46 · sunset 18:00 · night 28° · evening 30° · rain 0.99 mm · humidity 70% · wind 7 m/s · clouds 100%
Sunday13 September 2026
🌧️29°light rain
sunrise 05:46 · sunset 17:59 · night 29° · evening 29° · rain 1.17 mm · humidity 71% · wind 3 m/s · clouds 100%
Monday14 September 2026
🌧️30°light rain
sunrise 05:46 · sunset 17:58 · night 28° · evening 31° · rain 0.24 mm · humidity 66% · wind 6 m/s · clouds 99%
Tuesday15 September 2026
🌧️30°light rain
sunrise 05:46 · sunset 17:58 · night 28° · evening 30° · rain 1.95 mm · humidity 69% · wind 6 m/s · clouds 100%
Wednesday16 September 2026
🌧️29°light rain
sunrise 05:46 · sunset 17:57 · night 28° · evening 30° · rain 1.47 mm · humidity 67% · wind 4 m/s · clouds 100%
Thursday17 September 2026
☁️30°overcast clouds
sunrise 05:46 · sunset 17:56 · night 28° · evening 30° · rain 1.47 mm · humidity 62% · wind 5 m/s · clouds 100%
Friday18 September 2026
🌧️30°light rain
sunrise 05:46 · sunset 17:56 · night 28° · evening 30° · rain 0.57 mm · humidity 70% · wind 4 m/s · clouds 11%
Saturday19 September 2026
🌧️30°light rain
sunrise 05:46 · sunset 17:55 · night 28° · evening 30° · rain 6.03 mm · humidity 70% · wind 4 m/s · clouds 8%
UV index in Santa Marta - is it safe to sunbathe?
Today the UV index in Santa Marta is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.