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Current Weather Conditions:
Williams Field, Antarctica

(NZCM) 77-52S 166-58E 8M

Conditions at

2026.09.19 2055 UTC
Wind from the SSE (160 degrees) at 23 MPH (20 KT) gusting to 30 MPH (26 KT)
Visibility greater than 7 mile(s)
Sky conditions mostly cloudy
Temperature 7.3 F (-13.7 C)
Windchill -13 F (-25 C)
Dew Point -3.5 F (-19.7 C)
Relative Humidity 60%
Pressure (altimeter) 28.39 in. Hg (961 hPa)
Pressure tendency 0.01 inches (0.5 hPa) higher than three hours ago
ob NZCM 192055Z AUTO 16020G26KT 9999 BKN070 BKN085 M14/M20 A2839 RMK AO2 PK WND 16027/2025 SLP621 T11371197 53005

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
9.0 (-12.8) 5.7 (-14.6) In the 6 hours preceding Sep 19, 2026 - 01:55 PM EDT / 2026.09.19 1755 UTC
1.9 (-16.7) -16.4 (-26.9) In the 24 hours preceding Sep 18, 2026 - 07:55 PM EDT / 2026.09.18 2355 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 5 PM (21) Sep 19 7.3 (-13.7) -3.5 (-19.7) 28.39 (961) SSE 23
4 PM (20) Sep 19 6.8 (-14.0) -3.5 (-19.7) 28.39 (961) SSE 16
3 PM (19) Sep 19 6.1 (-14.4) -1.8 (-18.8) 28.36 (960) SSE 30
2 PM (18) Sep 19 7.7 (-13.5) -2.9 (-19.4) 28.39 (961) ESE 22
1 PM (17) Sep 19 7.0 (-13.9) -2.6 (-19.2) 28.37 (960) S 21
Noon (16) Sep 19 7.9 (-13.4) -1.5 (-18.6) 28.38 (961) S 20
11 AM (15) Sep 19 6.4 (-14.2) -0.6 (-18.1) 28.38 (961) SSW 26
10 AM (14) Sep 19 7.9 (-13.4) -1.1 (-18.4) 28.37 (960) S 14
9 AM (13) Sep 19 7.9 (-13.4) -0.8 (-18.2) 28.37 (960) SW 13 light snow
8 AM (12) Sep 19 7.5 (-13.6) -0.2 (-17.9) 28.38 (961) S 16 light snow
7 AM (11) Sep 19 7.9 (-13.4) -0.2 (-17.9) 28.36 (960) WSW 8 light snow
6 AM (10) Sep 19 6.1 (-14.4) -0.4 (-18.0) 28.37 (960) S 16 light snow
5 AM (9) Sep 19 8.2 (-13.2) -1.8 (-18.8) 28.36 (960) S 20
4 AM (8) Sep 19 7.7 (-13.5) -2.4 (-19.1) 28.39 (961) SSW 15
3 AM (7) Sep 19 7.5 (-13.6) -1.7 (-18.7) 28.4 (961) SSW 14
2 AM (6) Sep 19 5.2 (-14.9) -1.3 (-18.5) 28.4 (961) SW 24 blowing snow
1 AM (5) Sep 19 5.7 (-14.6) -2.0 (-18.9) 28.38 (961) SSW 40 light snow
Midnight (4) Sep 19 1.9 (-16.7) -3.1 (-19.5) 28.41 (962) SSW 56 blowing snow; mist
11 PM (3) Sep 18 1.0 (-17.2) -4.2 (-20.1) 28.42 (962) SSW 61 blowing snow; mist
10 PM (2) Sep 18 1.0 (-17.2) -4.2 (-20.1) 28.43 (962) SSW 67 blowing snow; mist; squalls
9 PM (1) Sep 18 0.1 (-17.7) -5.1 (-20.6) 28.49 (964) S 46 blowing snow; mist
8 PM (0) Sep 18 1.4 (-17.0) -3.6 (-19.8) 28.49 (964) SSW 60 blowing snow; mist; squalls
7 PM (23) Sep 18 1.0 (-17.2) -4.0 (-20.0) 28.54 (966) S 41 blowing snow
Oldest 6 PM (22) Sep 18 1.8 (-16.8) -3.3 (-19.6) 28.52 (965) SSW 59 blowing snow; mist; squalls
Time
EDT (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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