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Weather in San Martín Base, Antarctica

Now
-1 °C

Light snow. Overcast.


Feels Like: -3 °C
Forecast: 1 / -5 °C
Wind: 7 km/h from East

Location: Base San Martin
Current Time: Dec 19, 2025 at 6:51:31 am
Latest Report: Dec 19, 2025 at 6:00 am
Visibility: 8 km
Pressure: 98.40 kPa
Humidity: 88%
Dew Point: -2 °C

Upcoming 5 hours

Now 7:00 am 8:00 am 9:00 am 10:00 am 11:00 am
-1 °C -2 °C -2 °C -2 °C -1 °C -1 °C

See more hour-by-hour weather

Forecast for the next 48 hours

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  Thursday Friday Saturday
  Evening Night Morning Afternoon Evening Night Morning
Forecast
Temperature -1 °C 0 °C -4 °C -5 °C 0 °C 0 °C -6 °C
Light snow. Overcast. Light snow. Overcast. Overcast. Overcast. Overcast. Overcast. Cloudy.
Feels Like -1 °C 0 °C -6 °C -7 °C 0 °C -1 °C -12 °C
Wind Speed 4 km/h 3 km/h 5 km/h 5 km/h 4 km/h 5 km/h 13 km/h
Wind Direction W
S
ENE
E
SW
S
E
Humidity 84% 79% 82% 78% 79% 84% 71%
Dew Point -3 °C -3 °C -7 °C -8 °C -4 °C -2 °C -11 °C
Visibility 3 km 8 km 8 km 6 km 8 km 8 km 9 km
Probability of Precipitation 21% 10% 5% 5% 5% 5% 0%
Amount of Rain 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm
Amount of Snow 5.0 mm 2.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm
* Updated Friday, December 19, 2025 4:42:36 am San Martín Base time - Weather by CustomWeather, © 2025

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Overcast. 2 / 0 °C
Humidity: 74%. Wind: 20 km/h from North

More weather last week

Currently at nearby stations

0 °C

Rothera Point: (76 km)

Chilly.

0 °C

O Higgins: (760 km)

More clouds than sun.

4 °C

Ushuaia Aerodrome: (1,484 km)

Scattered clouds.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
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18

View historic weather

2
3

Detailed forecast for 14 days