Weather Almanac: Oregon City, OR 97045

🗓️ Historical norms for May 2026

May avg. precipitation
🌧️ 2.46"
May days below freezing
📉 ≈0.0 days
Average May lows 46°F – 50°F
USDA Zone
9a
Annual extreme lows 20°F to 25°F
Last Spring Frost (36°F)
🌷 Apr 27
First Fall Frost (36°F)
🍂 Oct 23
Fri. May 1 🌕

🌅 5:58 a.m.

H: 58°F – 76°F

L: 40°F – 50°F

🌇 8:16 p.m.

Sat. May 2  

🌅 5:56 a.m.

H: 58°F – 76°F

L: 40°F – 50°F

🌇 8:18 p.m.

Sun. May 3  

🌅 5:55 a.m.

H: 59°F – 77°F

L: 40°F – 51°F

🌇 8:19 p.m.

Mon. May 4  

🌅 5:54 a.m.

H: 59°F – 77°F

L: 40°F – 51°F

🌇 8:20 p.m.

Tue. May 5  

🌅 5:52 a.m.

H: 59°F – 77°F

L: 41°F – 51°F

🌇 8:21 p.m.

Wed. May 6  

🌅 5:51 a.m.

H: 59°F – 77°F

L: 41°F – 51°F

🌇 8:22 p.m.

Thu. May 7  

🌅 5:49 a.m.

H: 60°F – 78°F

L: 41°F – 51°F

🌇 8:24 p.m.

Fri. May 8  

🌅 5:48 a.m.

H: 60°F – 78°F

L: 41°F – 52°F

🌇 8:25 p.m.

Sat. May 9 🌗

🌅 5:47 a.m.

H: 60°F – 78°F

L: 42°F – 52°F

🌇 8:26 p.m.

Sun. May 10  

🌅 5:45 a.m.

H: 60°F – 79°F

L: 42°F – 52°F

🌇 8:27 p.m.

Mon. May 11  

🌅 5:44 a.m.

H: 60°F – 79°F

L: 42°F – 52°F

🌇 8:29 p.m.

Tue. May 12  

🌅 5:43 a.m.

H: 60°F – 79°F

L: 42°F – 52°F

🌇 8:30 p.m.

Wed. May 13  

🌅 5:42 a.m.

H: 61°F – 79°F

L: 42°F – 52°F

🌇 8:31 p.m.

Thu. May 14 Ascension  

🌅 5:41 a.m.

H: 61°F – 80°F

L: 43°F – 53°F

🌇 8:32 p.m.

Fri. May 15  

🌅 5:39 a.m.

H: 61°F – 80°F

L: 43°F – 53°F

🌇 8:33 p.m.

Sat. May 16 🌑

🌅 5:38 a.m.

H: 61°F – 80°F

L: 43°F – 53°F

🌇 8:34 p.m.

Sun. May 17  

🌅 5:37 a.m.

H: 61°F – 80°F

L: 43°F – 53°F

🌇 8:36 p.m.

Mon. May 18  

🌅 5:36 a.m.

H: 62°F – 80°F

L: 44°F – 53°F

🌇 8:37 p.m.

Tue. May 19  

🌅 5:35 a.m.

H: 62°F – 81°F

L: 44°F – 54°F

🌇 8:38 p.m.

Wed. May 20  

🌅 5:34 a.m.

H: 62°F – 81°F

L: 44°F – 54°F

🌇 8:39 p.m.

Thu. May 21  

🌅 5:33 a.m.

H: 62°F – 81°F

L: 44°F – 54°F

🌇 8:40 p.m.

Fri. May 22  

🌅 5:32 a.m.

H: 62°F – 81°F

L: 44°F – 54°F

🌇 8:41 p.m.

Sat. May 23 🌓

🌅 5:31 a.m.

H: 63°F – 81°F

L: 45°F – 54°F

🌇 8:42 p.m.

Sun. May 24 Pentecost  

🌅 5:30 a.m.

H: 63°F – 81°F

L: 45°F – 54°F

🌇 8:43 p.m.

Mon. May 25 Memorial Day  

🌅 5:30 a.m.

H: 63°F – 81°F

L: 45°F – 54°F

🌇 8:44 p.m.

Tue. May 26  

🌅 5:29 a.m.

H: 63°F – 82°F

L: 45°F – 55°F

🌇 8:45 p.m.

Wed. May 27  

🌅 5:28 a.m.

H: 63°F – 82°F

L: 45°F – 55°F

🌇 8:46 p.m.

Thu. May 28  

🌅 5:27 a.m.

H: 64°F – 82°F

L: 46°F – 55°F

🌇 8:47 p.m.

Fri. May 29  

🌅 5:27 a.m.

H: 64°F – 82°F

L: 46°F – 55°F

🌇 8:48 p.m.

Sat. May 30  

🌅 5:26 a.m.

H: 64°F – 82°F

L: 46°F – 55°F

🌇 8:49 p.m.

Sun. May 31 🌕

🌅 5:25 a.m.

H: 64°F – 82°F

L: 46°F – 55°F

🌇 8:50 p.m.


Temperature climatic data from weather station: OREGON CITY (USC00356334)

Precipitation climatic data from weather station: OREGON CITY (USC00356334)

Agricultural climatic data from weather station: OREGON CITY (USC00356334)