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

Stephenson Bastion Weather Forecast

Transantarctic Mountains · Antarctica
Issued: 6 pm Sat 03 Oct Local Time
Updates in:
hr min s
Update imminent 

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -25°C on Sun night, min -30°C on Tue morning). Winds increasing (light winds from the SE on Sat night, fresh winds from the SE by Tue morning).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -26°C on Wed night, min -31°C on Tue afternoon). Winds decreasing (strong winds from the SE on Tue night, light winds from the SW by Fri morning).

Sat
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
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
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
1400
1450
1550
7650
5250
km/h
15
ESE
10
SE
10
SE
10
SSE
15
SE
15
SSE
15
SSE
15
SSE
20
SE
35
SE
50
SE
40
SE
30
SE
15
SSE
10
S
10
S
10
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-28
-28
-29
-29
-25
-25
-26
-26
-28
-31
-28
-29
-28
-26
-26
-27
-26
min °C
-29
-28
-29
-29
-28
-25
-27
-27
-30
-31
-31
-29
-29
-28
-27
-27
-27
 chill °C
-40
-38
-38
-37
-38
-35
-38
-38
-45
-48
-50
-46
-44
-41
-35
-36
-36
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-29-28-29-29-27-25-27-27-29-31-30-29-29-27-27-27-27
Sunrise
—
—
6:22
—
—
6:09
—
—
5:58
—
—
5:45
—
—
5:30
—
—
Sunset
—
10:37
—
—
10:48
—
—
11:00
—
—
11:11
—
—
11:23
—
—
11:37

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Stephenson Bastion Weather (Days 0-3):

The weather forecast for Stephenson Bastion is: Mostly dry. Extremely cold (max -25°C on Sun night, min -30°C on Tue morning). Winds increasing (light winds from the SE on Sat night, fresh winds from the SE by Tue morning).

Stephenson Bastion Weather (Days 3-6):

Mostly dry. Extremely cold (max -26°C on Wed night, min -31°C on Tue afternoon). Winds decreasing (strong winds from the SE on Tue night, light winds from the SW by Fri 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.
4 hours ago
-25°C
moderate snow
Slight to moderate drifting snow, above eye level.
52
Near gales from the SE
(52 kph at 140).
0.8 km
Mid: mostly cloudy
1032 km S
2835m alt.
4 hours ago
-
Wind obs. (26 kph from 130 degs) was rejected.
3.0 km
Mid: few
1136 km NNE
574m alt.
2 hours ago
-
15
Light winds from the E
(15 kph at 100).
Halvfarryggen
1189 km NE
694m alt.
2 hours ago
-26°C
No report.
17
Light winds from the W
(17 kph at 260).
1196 km S
3012m alt.
4 hours ago
-
Wind obs. (28 kph from 130 degs) was rejected.
3.0 km
Mid: few
1223 km NE
1290m alt.
2 hours ago
-27°C
No report.
0

(0 kph at —)
BaseSanMartin
1776 km W
7m alt.
4 hours ago
-12°C
Mist
9
Light winds from the SE
(9 kph at 140).
28 km
Mid: scattered
BaseMarambio
2039 km WNW
200m alt.
3 hours ago
-2°C
-
33
Fresh winds from the S
(33 kph at 190).
35 km
Mid: clear
Marambio Airport (Seymour Island)
2040 km WNW
232m alt.
3 hours ago
clear
-
33
Fresh winds from the S
(33 kph at 190).
0.0 km
BaseEsperanza
2135 km WNW
24m alt.
4 hours ago
-4°C
-
Wind obs. (9 kph from 50 degs) was rejected.
30 km
Mid: clear

* 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.