Petersburg Borough, AK Weather Forecast
County weather hub
Heavy Rain
Compare major city weather across Petersburg Borough, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain. Cloudy. Low around 40, with temperatures rising to around 45 overnight. Southeast wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Petersburg Borough so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Petersburg Borough.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 20 to Oct 26, 2026
- Latest sync
- Oct 20, 2026 5:40 AM AKDT
- Forecast office
- AJK
- Source
- NOAA / NWS
Daily Outlook
This Week in Petersburg Borough
Tuesday looks like the warmest upcoming period in Petersburg Borough at 49 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 20 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 20, 2026 5:40 AM AKDT
- Coverage
- 7 days
- Time zone
- America/Sitka
- Forecast office
- AJK
- Radar station
- PACG
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain. Cloudy, with a high near 49. Southeast wind 15 to 20 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Rain before 1am, then rain showers likely. Mostly cloudy, with a low around 39. Southeast wind 10 to 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Rain showers likely. Mostly cloudy, with a high near 48. Southeast wind around 10 mph. Chance of precipitation is 70%.
A chance of rain showers before 10pm. Mostly cloudy, with a low around 36. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Mostly cloudy, with a high near 46.
A chance of rain after 4am. Mostly cloudy, with a low around 33.
A chance of rain before 10am. Partly sunny, with a high near 47.
Partly cloudy, with a low around 32.
Mostly sunny, with a high near 47.
Mostly cloudy, with a low around 32.
A slight chance of rain after 4pm. Mostly sunny, with a high near 47.
A slight chance of rain before 10pm, then a slight chance of rain and snow. Partly cloudy, with a low around 33.
A slight chance of rain and snow before 10am. Mostly sunny, with a high near 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 20
|
Heavy Rain
|
40°F |
10 to 15 mph
SE
|
|
Tuesday
Oct 20
|
Heavy Rain
|
49°F |
15 to 20 mph
SE
|
|
Tuesday Night
Oct 20
|
Heavy Rain
|
39°F |
10 to 20 mph
SE
|
|
Wednesday
Oct 21
|
Rain Showers Likely
|
48°F |
10 mph
SE
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers then Mostly Cloudy
|
36°F |
5 to 10 mph
SE
|
|
Thursday
Oct 22
|
Mostly Cloudy
|
46°F |
5 mph
SE
|
|
Thursday Night
Oct 22
|
Mostly Cloudy then Chance Light Rain
|
33°F |
5 mph
E
|
|
Friday
Oct 23
|
Chance Light Rain then Partly Sunny
|
47°F |
5 mph
NE
|
|
Friday Night
Oct 23
|
Partly Cloudy
|
32°F |
5 mph
NE
|
|
Saturday
Oct 24
|
Mostly Sunny
|
47°F |
5 mph
NE
|
|
Saturday Night
Oct 24
|
Mostly Cloudy
|
32°F |
5 mph
NE
|
|
Sunday
Oct 25
|
Mostly Sunny then Slight Chance Light Rain
|
47°F |
0 to 5 mph
NE
|
|
Sunday Night
Oct 25
|
Slight Chance Rain And Snow
|
33°F |
0 to 5 mph
NE
|
|
Monday
Oct 26
|
Slight Chance Rain And Snow then Mostly Sunny
|
48°F |
0 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Petersburg Borough.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Petersburg Borough.
