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Current Weather Conditions:
Williams Field, Antarctica

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

Conditions at

2026.10.19 0255 UTC
Wind from the S (170 degrees) at 39 MPH (34 KT) gusting to 48 MPH (42 KT)
Visibility less than 1 mile
Sky conditions overcast
Weather Blowing snow
Freezing fog
Temperature 12.6 F (-10.8 C)
Windchill -11 F (-24 C)
Dew Point 8.8 F (-12.9 C)
Relative Humidity 84%
Pressure (altimeter) 28.73 in. Hg (972 hPa)
Pressure tendency 0.06 inches (2.2 hPa) higher than three hours ago
ob NZCM 190255Z AUTO 17034G42KT 0900 BLSN FZFG SCT029 OVC055 M11/M13 A2873 RMK AO2 PK WND 18047/0215 SNB0212E0213B0231E0232 SLP734 T11081129 51022

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
17.1 (-8.3) 12.2 (-11.0) In the 6 hours preceding Oct 18, 2026 - 07:55 PM EDT / 2026.10.18 2355 UTC
21.2 (-6.0) 12.2 (-11.0) In the 24 hours preceding Oct 18, 2026 - 07:55 PM EDT / 2026.10.18 2355 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 11 PM (3) Oct 18 12.6 (-10.8) 8.8 (-12.9) 28.73 (972) S 39 blowing snow; freezing fog
10 PM (2) Oct 18 12.6 (-10.8) 8.6 (-13.0) 28.73 (972) S 36 light snow; mist
9 PM (1) Oct 18 11.7 (-11.3) 8.1 (-13.3) 28.72 (972) S 30 light snow; mist
8 PM (0) Oct 18 11.8 (-11.2) 8.2 (-13.2) 28.7 (971) SSE 37 light snow; freezing fog
7 PM (23) Oct 18 12.2 (-11.0) 8.2 (-13.2) 28.69 (971) SSE 32 light snow; mist
6 PM (22) Oct 18 12.9 (-10.6) 9.0 (-12.8) 28.66 (970) S 38 light snow
5 PM (21) Oct 18 13.6 (-10.2) 8.8 (-12.9) 28.64 (969) SSE 29 light snow
4 PM (20) Oct 18 14.5 (-9.7) 9.9 (-12.3) 28.6 (968) SSE 43 blowing snow
3 PM (19) Oct 18 16.2 (-8.8) 12.0 (-11.1) 28.6 (968) S 41 blowing snow; freezing fog
2 PM (18) Oct 18 16.3 (-8.7) 12.0 (-11.1) 28.6 (968) S 45 blowing snow; mist
1 PM (17) Oct 18 16.0 (-8.9) 11.5 (-11.4) 28.6 (968) SSE 33 light snow; mist
Noon (16) Oct 18 15.8 (-9.0) 12.0 (-11.1) 28.62 (969) SE 24 light snow
11 AM (15) Oct 18 15.8 (-9.0) 12.6 (-10.8) 28.62 (969) SE 23 light snow
10 AM (14) Oct 18 17.6 (-8.0) 14.2 (-9.9) 28.6 (968) SSE 16 light snow; mist
9 AM (13) Oct 18 18.5 (-7.5) 13.8 (-10.1) 28.58 (967) S 31 light snow
8 AM (12) Oct 18 19.9 (-6.7) 14.2 (-9.9) 28.6 (968) S 24 light snow
7 AM (11) Oct 18 19.4 (-7.0) 14.0 (-10.0) 28.59 (968) SSW 29 blowing snow; mist
6 AM (10) Oct 18 20.8 (-6.2) 12.2 (-11.0) 28.59 (968) SE 21 light snow
5 AM (9) Oct 18 18.3 (-7.6) 12.7 (-10.7) 28.58 (967) ENE 12 light snow; mist
4 AM (8) Oct 18 17.6 (-8.0) 13.6 (-10.2) 28.62 (969) Variable 7 light snow; mist
3 AM (7) Oct 18 17.6 (-8.0) 13.8 (-10.1) 28.64 (969) SSE 13 light snow
2 AM (6) Oct 18 17.1 (-8.3) 13.3 (-10.4) 28.64 (969) SSE 13 light snow
1 AM (5) Oct 18 17.1 (-8.3) 12.0 (-11.1) 28.6 (968) SSE 25 blowing snow
Oldest Midnight (4) Oct 18 18.1 (-7.7) 10.4 (-12.0) 28.58 (967) S 32 light snow; mist
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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