Weather Almanac: Old Harbor, AK 99643

🗓️ Historical norms for May 2026

May avg. precipitation
🌧️ 5.62"
May days below freezing
📉 ≈2.3 days
Average May lows 37°F – 41°F
USDA Zone
7b
Annual extreme lows 5°F to 10°F
Last Spring Frost (36°F)
🌷 Jun 3
First Fall Frost (36°F)
🍂 Sep 13
F: Forecast
H: Normal High Temp
L: Normal Low Temp
Fri. May 1 🌕

🌅 6:25 a.m.

H: 42°F – 52°F

L: 31°F – 40°F

🌇 9:56 p.m.

Sat. May 2  

🌅 6:23 a.m.

H: 42°F – 52°F

L: 32°F – 40°F

🌇 9:58 p.m.

Sun. May 3  

🌅 6:21 a.m.

H: 42°F – 53°F

L: 32°F – 40°F

🌇 10:00 p.m.

Mon. May 4  

🌅 6:18 a.m.

H: 42°F – 53°F

L: 32°F – 41°F

🌇 10:02 p.m.

Tue. May 5  

🌅 6:16 a.m.

H: 43°F – 53°F

L: 32°F – 41°F

🌇 10:04 p.m.

Wed. May 6  

🌅 6:14 a.m.

H: 43°F – 53°F

L: 33°F – 41°F

🌇 10:07 p.m.

Thu. May 7  

🌅 6:11 a.m.

H: 43°F – 54°F

L: 33°F – 41°F

🌇 10:09 p.m.

Fri. May 8  

🌅 6:09 a.m.

H: 43°F – 54°F

L: 33°F – 41°F

🌇 10:11 p.m.

Sat. May 9 🌗

🌅 6:07 a.m.

H: 43°F – 54°F

L: 33°F – 42°F

🌇 10:13 p.m.

Sun. May 10  

🌅 6:05 a.m.

H: 43°F – 54°F

L: 34°F – 42°F

🌇 10:15 p.m.

Mon. May 11  

🌅 6:03 a.m.

H: 44°F – 55°F

L: 34°F – 42°F

🌇 10:17 p.m.

Tue. May 12  

🌅 6:01 a.m.

H: 44°F – 55°F

L: 34°F – 42°F

🌇 10:19 p.m.

Wed. May 13  

🌅 5:59 a.m.

H: 44°F – 55°F

L: 34°F – 42°F

🌇 10:21 p.m.

Thu. May 14 Ascension  

🌅 5:56 a.m.

H: 44°F – 55°F

L: 34°F – 43°F

🌇 10:23 p.m.

Fri. May 15  

🌅 5:54 a.m.

H: 44°F – 56°F

L: 35°F – 43°F

🌇 10:25 p.m.

Sat. May 16 🌑

🌅 5:53 a.m.

H: 44°F – 56°F

L: 35°F – 43°F

🌇 10:27 p.m.

Sun. May 17  

🌅 5:51 a.m.

H: 44°F – 56°F

L: 35°F – 43°F

🌇 10:29 p.m.

Mon. May 18  

🌅 5:49 a.m.

H: 45°F – 56°F

L: 35°F – 43°F

🌇 10:31 p.m.

Tue. May 19  

🌅 5:47 a.m.

H: 45°F – 56°F

L: 35°F – 43°F

🌇 10:33 p.m.

Wed. May 20  

🌅 5:45 a.m.

H: 45°F – 57°F

L: 36°F – 44°F

🌇 10:35 p.m.

Thu. May 21  

🌅 5:43 a.m.

H: 45°F – 57°F

L: 36°F – 44°F

🌇 10:37 p.m.

Fri. May 22  

🌅 5:41 a.m.

H: 45°F – 57°F

L: 36°F – 44°F

🌇 10:39 p.m.

Sat. May 23 🌓

🌅 5:40 a.m.

H: 45°F – 57°F

L: 36°F – 44°F

🌇 10:40 p.m.

Sun. May 24 Pentecost  

🌅 5:38 a.m.

H: 45°F – 57°F

L: 36°F – 44°F

🌇 10:42 p.m.

Mon. May 25 Memorial Day  

🌅 5:37 a.m.

H: 46°F – 58°F

L: 37°F – 44°F

🌇 10:44 p.m.

Tue. May 26  

🌅 5:35 a.m.

H: 46°F – 58°F

L: 37°F – 44°F

🌇 10:46 p.m.

Wed. May 27  

🌅 5:34 a.m.

H: 46°F – 58°F

L: 37°F – 45°F

🌇 10:47 p.m.

Thu. May 28  

🌅 5:32 a.m.

H: 46°F – 58°F

L: 37°F – 45°F

🌇 10:49 p.m.

Fri. May 29  

🌅 5:31 a.m.

H: 46°F – 58°F

L: 37°F – 45°F

🌇 10:51 p.m.

Sat. May 30  

🌅 5:29 a.m.

H: 46°F – 58°F

L: 38°F – 45°F

🌇 10:52 p.m.

Sun. May 31 🌕

🌅 5:28 a.m.

H: 46°F – 59°F

L: 38°F – 45°F

🌇 10:54 p.m.


Temperature climatic data from weather station: KODIAK AP (USW00025501)

Precipitation climatic data from weather station: KODIAK AP (USW00025501)

Agricultural climatic data from weather station: KODIAK AP (USW00025501)