South Twin Sister
Weather Forecast, United States

 

Days 0-3 South Twin Sister Weather Summary:

Some drizzle, heaviest during Thu afternoon. Very mild (max 18°C on Tue afternoon, min 7°C on Fri morning). Wind will be generally light.

Days 3-6 South Twin Sister Weather Summary:

Mostly dry. Warm (max 21°C on Mon afternoon, min 8°C on Fri night). Wind will be generally light.

PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM
clear
clear
clear
partially cloudy
clear
partially cloudy
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Wind km/h
10 WSW10
10 SW10
5 SW5
10 WSW10
5 SW5
5 WSW5
10 WSW10
10 WSW10
10 SW10
15 W15
10 WNW10
5 W5
10 W10
10 NNE10
10 NE10
10 NNW10
10 ENE10
5 ENE5
clear clear clear some clouds clear some clouds rain shwrs clear clear clear clear clear clear clear clear clear clear clear
Rain
Rain mm
- - - - - - 1 - - - - - - - - - - -
Snow
Snow cm
- - - - - - - - - - - - - - - - - -
High °C
18 17 10 13 12 9 11 11 8 10 9 9 12 12 14 19 19 19
Low °C
17 12 10 12 9 9 9 8 7 10 8 8 11 12 12 17 18 18
Chill °C
18 17 9 12 11 9 10 10 6 8 7 8 11 12 14 19 19 19
Freezing level m
4100 3900 3850 3900 3900 3800 3650 3500 3050 2950 2950 3200 3300 3650 3800 4000 4000 4000
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
141381097885656891014141418171013129111181099121214191919262318211916191816191717201822272426
Sunrise
- - 5:24 - - 5:24 - - 5:26 - - 5:26 - - 5:28 - - 5:30
Sunset
9:04 - - 9:02 - - 9:01 - - 9:00 - - 9:00 - - 8:59 - -

This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. 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 Washington.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWind
Cloud
Visibility
Cloud / Visibility
Lyman
19 km S
155m alt.
1 hour ago
30° C
Dry
2
Calm
(2 kph at 196).
Deming
25 km WNW
102m alt.
2 hours ago
31° C
Dry
2
Calm
(2 kph at 34).
Bellingham
25 km WSW
198m alt.
41 minutes ago
26° C
Dry
2
Calm
(2 kph at 90).
Bellingham
29 km W
71m alt.
43 minutes ago
31° C
Dry
3
Calm
(3 kph at 246).
Bellingham
32 km W
130m alt.
36 minutes ago
29° C
Dry
3
Calm
(3 kph at 137).

* 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. We also include passing Ship data if it is recorded close to South Twin Sister and within an acceptable time window.