NWS Forecast for Sitka AK

National Weather Service Forecast for: Sitka AK
Issued by: National Weather Service Juneau, AK

Updated: 7:34 pm AKST Dec 22, 2025

Tonight Mostly Clear	Tuesday Sunny	Tuesday Night Clear	Wednesday Sunny	Wednesday Night Mostly Clear then Chance Snow	Christmas Day Snow Likely	Thursday Night Chance Snow then Mostly Cloudy	Friday Heavy Snow	Friday Night Heavy Snow then Rain/Snow
Lo 12 °F	Hi 21 °F	Lo 15 °F	Hi 25 °F	Lo 20 °F	Hi 32 °F	Lo 19 °F	Hi 28 °F	Lo 23 °F

Extreme Cold Warning
Special Weather Statement

Tonight	Mostly clear, with a low around 12. Northeast wind 15 to 20 mph.
Tuesday	Sunny, with a high near 21. Northeast wind 20 to 25 mph.
Tuesday Night	Clear, with a low around 15. East wind around 20 mph.
Wednesday	Sunny, with a high near 25. East wind around 5 mph.
Wednesday Night	A 30 percent chance of snow after 3am. Partly cloudy, with a low around 20. East wind around 5 mph.
Christmas Day	Snow likely, mainly between 9am and 3pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Thursday Night	A 40 percent chance of snow before 9pm. Mostly cloudy, with a low around 19.
Friday	A chance of snow after 9am. The snow could be heavy at times. Mostly cloudy, with a high near 28.
Friday Night	Snow before 3am, then rain and snow. The snow could be heavy at times. Cloudy, with a low around 23.
Saturday	Rain and snow. Cloudy, with a high near 39.
Saturday Night	Rain and snow. Cloudy, with a low around 32.
Sunday	Rain and snow. Cloudy, with a high near 37.
Sunday Night	Rain and snow. Cloudy, with a low around 31.
Monday	Rain and snow likely. Mostly cloudy, with a high near 40.

Forecast from NOAA-NWS for Sitka AK.