Mountain resort image
– Lat/Long: 80.77° S 27.20° W

Stephenson Bastion Weather Forecast

Transantarctic Mountains · Antarctica
Issued: 12 pm Mon 28 Sep Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -30°C on Mon morning, min -33°C on Tue afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -27°C on Sat night, min -33°C on Thu night). Winds increasing (light winds from the SSW on Thu morning, fresh winds from the SE by Sat morning).

Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
Cloud base (m)
1400
1450
1550
1400
1500
1500
1450
1450
1500
1400
5050
km/h
10
NE
5
E
5
S
5
SW
5
SSW
5
S
5
SW
10
SW
5
S
10
SSW
10
SSW
15
ESE
25
ESE
25
ESE
25
SE
30
SE
30
SE
15
SSE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-30
-31
-31
-32
-32
-32
-32
-33
-31
-31
-32
-32
-33
-32
-29
-29
-29
-27
min °C
-30
-31
-31
-32
-33
-32
-33
-33
-33
-32
-32
-33
-33
-32
-31
-30
-29
-27
 chill °C
-39
-38
-37
-39
-39
-32
-42
-42
-40
-42
-43
-48
-48
-48
-46
-46
-44
-39
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-30-31-31-32-33-32-33-33-32-32-32-33-33-32-30-30-29-27
Sunrise
7:27
—
—
7:16
—
—
7:06
—
—
6:55
—
—
6:45
—
—
6:32
—
—
Sunset
—
9:47
—
—
9:56
—
—
—
10:07
—
—
10:17
—
—
10:26
—
—
10:37

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Stephenson Bastion Weather (Days 0-3):

The weather forecast for Stephenson Bastion is: Mostly dry. Extremely cold (max -30°C on Mon morning, min -33°C on Tue afternoon). Wind will be generally light.

Stephenson Bastion Weather (Days 3-6):

Mostly dry. Extremely cold (max -27°C on Sat night, min -33°C on Thu night). Winds increasing (light winds from the SSW on Thu morning, fresh winds from the SE by Sat morning).

This table gives the weather forecast for Stephenson Bastion at the specific elevation of 1850 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Stephenson Bastion. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Antarctica.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
BaseBelgranoII
357 km NW
256m alt.
2 hours ago
-21°C
-
24
Moderate winds from the SE
(24 kph at 140).
40 km
Mid: scattered
1136 km NNE
574m alt.
2 hours ago
-25°C
No report.
15
Light winds from the E
(15 kph at 100).
Halvfarryggen
1189 km NE
694m alt.
2 hours ago
-
17
Light winds from the E
(17 kph at 80).
1223 km NE
1290m alt.
2 hours ago
-27°C
No report.
0

(0 kph at —)
BaseSanMartin
1776 km W
7m alt.
2 hours ago
-8°C
moderate snow
Slight to moderate drifting snow, below eye level.
41
Strong winds from the N
(41 kph at 0).
4.0 km
Mid: overcast
ASCATC289E68S
1806 km W
15m alt.
3 hours ago
53
Near gales from the WSW
(53 kph at 254).
- km
ASCATB289E68S
1815 km W
15m alt.
3 hours ago
53
Near gales from the WSW
(53 kph at 258).
- km
BaseMarambio
2039 km WNW
200m alt.
2 hours ago
-7°C
-
33
Fresh winds from the SW
(33 kph at 220).
35 km
Mid: few
Marambio Airport (Seymour Island)
2040 km WNW
232m alt.
2 hours ago
clear
-
31
Fresh winds from the SW
(31 kph at 220).
0.0 km
ASCATC295E65S
2116 km WNW
15m alt.
3 hours ago
41
Strong winds from the S
(41 kph at 186).
- km

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.