Weather Almanac: Petersburg, AK 99833

🗓️ Historical norms for October 2026

October avg. precipitation
🌧️ 15.71"
October days below freezing
📉 ≈4.7 days
Average October lows 36°F – 40°F
USDA Zone
7b
Annual extreme lows 5°F to 10°F
Last Spring Frost (36°F)
🌷 May 25
First Fall Frost (36°F)
🍂 Sep 18
F: Forecast
H: Normal High Temp
L: Normal Low Temp
Thu. October 1  

🌅 6:54 a.m.

H: 49°F – 58°F

L: 37°F – 47°F

🌇 6:29 p.m.

Fri. October 2  

🌅 6:56 a.m.

H: 49°F – 58°F

L: 36°F – 47°F

🌇 6:26 p.m.

Sat. October 3  

🌅 6:58 a.m.

H: 48°F – 57°F

L: 36°F – 47°F

🌇 6:23 p.m.

Sun. October 4  

🌅 7:00 a.m.

H: 48°F – 57°F

L: 36°F – 46°F

🌇 6:21 p.m.

Mon. October 5  

🌅 7:03 a.m.

H: 48°F – 57°F

L: 36°F – 46°F

🌇 6:18 p.m.

Tue. October 6  

🌅 7:05 a.m.

H: 48°F – 56°F

L: 36°F – 46°F

🌇 6:15 p.m.

Wed. October 7  

🌅 7:07 a.m.

H: 47°F – 56°F

L: 35°F – 46°F

🌇 6:13 p.m.

Thu. October 8  

🌅 7:09 a.m.

H: 47°F – 56°F

L: 35°F – 46°F

🌇 6:10 p.m.

Fri. October 9  

🌅 7:11 a.m.

H: 47°F – 56°F

L: 35°F – 45°F

🌇 6:07 p.m.

Sat. October 10  

🌅 7:13 a.m.

H: 46°F – 55°F

L: 35°F – 45°F

🌇 6:05 p.m.

Sun. October 11  

🌅 7:15 a.m.

H: 46°F – 55°F

L: 34°F – 45°F

🌇 6:02 p.m.

Mon. October 12 Columbus Day; Indigenous Peoples' Day  

🌅 7:17 a.m.

H: 46°F – 55°F

L: 34°F – 45°F

🌇 5:59 p.m.

Tue. October 13  

🌅 7:19 a.m.

H: 46°F – 54°F

L: 34°F – 44°F

🌇 5:57 p.m.

Wed. October 14  

🌅 7:21 a.m.

H: 45°F – 54°F

L: 33°F – 44°F

🌇 5:54 p.m.

Thu. October 15  

🌅 7:24 a.m.

H: 45°F – 54°F

L: 33°F – 44°F

🌇 5:52 p.m.

Fri. October 16  

🌅 7:26 a.m.

H: 45°F – 53°F

L: 33°F – 44°F

🌇 5:49 p.m.

Sat. October 17  

🌅 7:28 a.m.

H: 44°F – 53°F

L: 33°F – 44°F

🌇 5:47 p.m.

Sun. October 18 Alaska Day  

🌅 7:30 a.m.

H: 44°F – 53°F

L: 32°F – 43°F

🌇 5:44 p.m.

Mon. October 19 Alaska Day (observed)  

🌅 7:32 a.m.

H: 44°F – 52°F

L: 32°F – 43°F

🌇 5:42 p.m.

Tue. October 20  

🌅 7:34 a.m.

H: 43°F – 52°F

L: 32°F – 43°F

🌇 5:39 p.m.

Wed. October 21  

🌅 7:36 a.m.

H: 43°F – 52°F

L: 31°F – 43°F

🌇 5:36 p.m.

Thu. October 22  

🌅 7:39 a.m.

H: 43°F – 52°F

L: 31°F – 42°F

🌇 5:34 p.m.

Fri. October 23  

🌅 7:41 a.m.

H: 42°F – 51°F

L: 31°F – 42°F

🌇 5:32 p.m.

Sat. October 24  

🌅 7:43 a.m.

H: 42°F – 51°F

L: 30°F – 42°F

🌇 5:29 p.m.

Sun. October 25 🌕

🌅 7:45 a.m.

H: 42°F – 51°F

L: 30°F – 42°F

🌇 5:27 p.m.

Mon. October 26  

🌅 7:47 a.m.

H: 41°F – 50°F

L: 30°F – 41°F

🌇 5:24 p.m.

Tue. October 27  

🌅 7:50 a.m.

H: 41°F – 50°F

L: 29°F – 41°F

🌇 5:22 p.m.

Wed. October 28  

🌅 7:52 a.m.

H: 41°F – 50°F

L: 29°F – 41°F

🌇 5:20 p.m.

Thu. October 29  

🌅 7:54 a.m.

H: 40°F – 50°F

L: 29°F – 41°F

🌇 5:17 p.m.

Fri. October 30  

🌅 7:56 a.m.

H: 40°F – 49°F

L: 28°F – 40°F

🌇 5:15 p.m.

Sat. October 31 Halloween  

🌅 7:58 a.m.

H: 39°F – 49°F

L: 28°F – 40°F

🌇 5:13 p.m.


Temperature climatic data from weather station: PETERSBURG 1 (USW00025329)

Precipitation climatic data from weather station: PETERSBURG 1 (USW00025329)

Agricultural climatic data from weather station: PETERSBURG 1 (USW00025329)