National Weather Service Forecast for: Petersburg AK
Issued by: National Weather Service Juneau, AK
Updated: 3:18 pm AKST Feb 2, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of rain. Cloudy, with a high near 43. Southeast wind around 5 mph.
Chance Rain
 Tonight

Tonight: Rain after 9pm. Low around 40. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Rain
 Tuesday

Tuesday: Rain. High near 47. Southeast wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain
 Tuesday
Night
Tuesday Night: A chance of rain before 9pm, then rain after midnight. Low around 42. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.
Chance Rain
then Rain
 Wednesday

Wednesday: Rain. High near 46. East wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Chance of precipitation is 100%.
Rain
 Wednesday
Night
Wednesday Night: Rain. Low around 40. Chance of precipitation is 100%.
Rain
 Thursday

Thursday: Rain likely. Cloudy, with a high near 46. Chance of precipitation is 70%.
Rain Likely
 Thursday
Night
Thursday Night: Rain likely, mainly before 3am. Cloudy, with a low around 40.
Rain Likely
 Friday

Friday: Rain likely, mainly after 9am. Cloudy, with a high near 46.
Rain Likely
Hi 43 °F Lo 40 °F Hi 47 °F Lo 42 °F Hi 46 °F Lo 40 °F Hi 46 °F Lo 40 °F Hi 46 °F

 

This Afternoon
 
 A 30 percent chance of rain. Cloudy, with a high near 43. Southeast wind around 5 mph.
Tonight
 
 Rain after 9pm. Low around 40. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
 
 Rain. High near 47. Southeast wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
 
 A chance of rain before 9pm, then rain after midnight. Low around 42. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.
Wednesday
 
 Rain. High near 46. East wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Chance of precipitation is 100%.
Wednesday Night
 
 Rain. Low around 40. Chance of precipitation is 100%.
Thursday
 
 Rain likely. Cloudy, with a high near 46. Chance of precipitation is 70%.
Thursday Night
 
 Rain likely, mainly before 3am. Cloudy, with a low around 40.
Friday
 
 Rain likely, mainly after 9am. Cloudy, with a high near 46.
Friday Night
 
 Rain likely. Mostly cloudy, with a low around 40.
Saturday
 
 Rain. Cloudy, with a high near 46.
Saturday Night
 
 Rain. Cloudy, with a low around 37.
Sunday
 
 Rain. Cloudy, with a high near 43.
Sunday Night
 
 Rain likely. Cloudy, with a low around 34.
Monday
 
 Rain likely. Mostly cloudy, with a high near 41.

 

Forecast from NOAA-NWS for Petersburg AK.