Weather Almanac: Great Falls, MT 59405

🗓️ Historical norms for August 2026

August avg. precipitation
🌧️ 1.54"
August days below freezing
📉 ≈0.0 days
Average August lows ≈52.9°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 Jun 6
First Fall Frost (36°F)
🍂 Sep 11
Sat. August 1  

🌅 6:03 a.m.

H: ≈85.0°F

L: ≈54.3°F

🌇 8:58 p.m.

Sun. August 2  

🌅 6:05 a.m.

H: ≈84.9°F

L: ≈54.3°F

🌇 8:56 p.m.

Mon. August 3  

🌅 6:06 a.m.

H: ≈84.9°F

L: ≈54.2°F

🌇 8:55 p.m.

Tue. August 4  

🌅 6:07 a.m.

H: ≈84.8°F

L: ≈54.2°F

🌇 8:53 p.m.

Wed. August 5  

🌅 6:08 a.m.

H: ≈84.8°F

L: ≈54.2°F

🌇 8:52 p.m.

Thu. August 6  

🌅 6:10 a.m.

H: ≈84.7°F

L: ≈54.1°F

🌇 8:50 p.m.

Fri. August 7  

🌅 6:11 a.m.

H: ≈84.7°F

L: ≈54.1°F

🌇 8:49 p.m.

Sat. August 8  

🌅 6:12 a.m.

H: ≈84.6°F

L: ≈54.0°F

🌇 8:47 p.m.

Sun. August 9  

🌅 6:14 a.m.

H: ≈84.5°F

L: ≈53.9°F

🌇 8:46 p.m.

Mon. August 10  

🌅 6:15 a.m.

H: ≈84.5°F

L: ≈53.9°F

🌇 8:44 p.m.

Tue. August 11  

🌅 6:16 a.m.

H: ≈84.4°F

L: ≈53.8°F

🌇 8:42 p.m.

Wed. August 12  

🌅 6:17 a.m.

H: ≈84.3°F

L: ≈53.7°F

🌇 8:41 p.m.

Thu. August 13  

🌅 6:19 a.m.

H: ≈84.2°F

L: ≈53.6°F

🌇 8:39 p.m.

Fri. August 14  

🌅 6:20 a.m.

H: ≈84.1°F

L: ≈53.5°F

🌇 8:37 p.m.

Sat. August 15  

🌅 6:21 a.m.

H: ≈84.0°F

L: ≈53.4°F

🌇 8:36 p.m.

Sun. August 16  

🌅 6:23 a.m.

H: ≈83.9°F

L: ≈53.3°F

🌇 8:34 p.m.

Mon. August 17  

🌅 6:24 a.m.

H: ≈83.8°F

L: ≈53.2°F

🌇 8:32 p.m.

Tue. August 18  

🌅 6:25 a.m.

H: ≈83.6°F

L: ≈53.1°F

🌇 8:30 p.m.

Wed. August 19  

🌅 6:27 a.m.

H: ≈83.5°F

L: ≈52.9°F

🌇 8:29 p.m.

Thu. August 20  

🌅 6:28 a.m.

H: ≈83.3°F

L: ≈52.7°F

🌇 8:27 p.m.

Fri. August 21  

🌅 6:29 a.m.

H: ≈83.1°F

L: ≈52.6°F

🌇 8:25 p.m.

Sat. August 22  

🌅 6:31 a.m.

H: ≈82.9°F

L: ≈52.4°F

🌇 8:23 p.m.

Sun. August 23  

🌅 6:32 a.m.

H: ≈82.6°F

L: ≈52.2°F

🌇 8:21 p.m.

Mon. August 24  

🌅 6:33 a.m.

H: ≈82.4°F

L: ≈52.0°F

🌇 8:19 p.m.

Tue. August 25  

🌅 6:35 a.m.

H: ≈82.1°F

L: ≈51.7°F

🌇 8:18 p.m.

Wed. August 26  

🌅 6:36 a.m.

H: ≈81.8°F

L: ≈51.5°F

🌇 8:16 p.m.

Thu. August 27 🌕

🌅 6:37 a.m.

H: ≈81.5°F

L: ≈51.2°F

🌇 8:14 p.m.

Fri. August 28  

🌅 6:39 a.m.

H: ≈81.1°F

L: ≈50.9°F

🌇 8:12 p.m.

Sat. August 29  

🌅 6:40 a.m.

H: ≈80.8°F

L: ≈50.6°F

🌇 8:10 p.m.

Sun. August 30  

🌅 6:41 a.m.

H: ≈80.4°F

L: ≈50.3°F

🌇 8:08 p.m.

Mon. August 31  

🌅 6:43 a.m.

H: ≈80.0°F

L: ≈50.0°F

🌇 8:06 p.m.


Temperature climatic data from weather station: GREAT FALLS 16ST (USC00243749)

Precipitation climatic data from weather station: GREAT FALLS 16ST (USC00243749)

Agricultural climatic data from weather station: GREAT FALLS WFO (USC00243753)