Weekly Climate Summary for 18 October 2025 through 24 October 2025 UTC South Pole Station, Antarctica Temperature: Average temp... -48.2°C / -54.8°F Maximum temp... -40.7°C / -41.3°F on day 24 Minimum temp... -53.9°C / -65.0°F on day 21 Wind: Average wind speed.......... 12.3 mph or 10.7 knots Prevailing wind direction... Grid East Maximum wind speed.......... 31 mph or 27 knots on day 24 Maximum wind direction...... Grid Northeast Average vectored wind....... 053 degrees at 9.9 knots Station Pressure: Average pressure... 676.9 mb Highest pressure... 679.5 mb on day 18 Lowest pressure.... 674.9 mb on day 20 Physio-altitude: Average physio-alt = 10745 ft/ 3275 m Highest physio-alt = 10821 ft/ 3298 m on day 20 Lowest physio-alt = 10647 ft/ 3245 m on day 18 Sky Cover: Average cloud cover (8ths)... 4 Days clear................... 0 Days partly cloudy........... 7 Days cloudy.................. 0 Sunshine: Sunset on 22 March 2026 Average hours per day... 18.6 Percent of possible..... 78 Visibility: 0 days with visibility of 1/4 mile or less. Balloon flight data: Number of soundings for the week..... 14 Average height of soundings.......... 17.9 mb, or 25323 meters Highest sounding..................... 12.2 mb, or 27584 meters on day 18/00Z flight 0 soundings were missed. **RECORDS** No records were tied or broken this week.