Weather Almanac: Hays, MT 59527

🗓️ Historical norms for October 2025

October avg. precipitation
🌧️ 0.77"
October days below freezing
📉 ≈24.6 days
Average October lows ≈24.3°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 Jun 1
First Fall Frost (36°F)
🍂 Sep 9
Wed. October 1  

🌅 7:14 a.m.

H: ≈66.0°F

L: ≈28.7°F

🌇 6:53 p.m.

Thu. October 2  

🌅 7:16 a.m.

H: ≈65.6°F

L: ≈28.5°F

🌇 6:51 p.m.

Fri. October 3  

🌅 7:17 a.m.

H: ≈65.2°F

L: ≈28.2°F

🌇 6:49 p.m.

Sat. October 4  

🌅 7:19 a.m.

H: ≈64.8°F

L: ≈28.0°F

🌇 6:47 p.m.

Sun. October 5  

🌅 7:20 a.m.

H: ≈64.4°F

L: ≈27.7°F

🌇 6:45 p.m.

Mon. October 6 🌕

🌅 7:21 a.m.

H: ≈64.0°F

L: ≈27.5°F

🌇 6:43 p.m.

Tue. October 7  

🌅 7:23 a.m.

H: ≈63.6°F

L: ≈27.2°F

🌇 6:41 p.m.

Wed. October 8  

🌅 7:24 a.m.

H: ≈63.2°F

L: ≈26.9°F

🌇 6:39 p.m.

Thu. October 9  

🌅 7:26 a.m.

H: ≈62.8°F

L: ≈26.6°F

🌇 6:37 p.m.

Fri. October 10  

🌅 7:27 a.m.

H: ≈62.3°F

L: ≈26.3°F

🌇 6:35 p.m.

Sat. October 11  

🌅 7:29 a.m.

H: ≈61.9°F

L: ≈26.0°F

🌇 6:33 p.m.

Sun. October 12  

🌅 7:30 a.m.

H: ≈61.5°F

L: ≈25.7°F

🌇 6:31 p.m.

Mon. October 13 Columbus Day 🌗

🌅 7:32 a.m.

H: ≈61.0°F

L: ≈25.4°F

🌇 6:29 p.m.

Tue. October 14  

🌅 7:33 a.m.

H: ≈60.6°F

L: ≈25.1°F

🌇 6:27 p.m.

Wed. October 15  

🌅 7:34 a.m.

H: ≈60.1°F

L: ≈24.8°F

🌇 6:25 p.m.

Thu. October 16  

🌅 7:36 a.m.

H: ≈59.6°F

L: ≈24.4°F

🌇 6:23 p.m.

Fri. October 17  

🌅 7:37 a.m.

H: ≈59.2°F

L: ≈24.1°F

🌇 6:21 p.m.

Sat. October 18  

🌅 7:39 a.m.

H: ≈58.7°F

L: ≈23.8°F

🌇 6:19 p.m.

Sun. October 19  

🌅 7:40 a.m.

H: ≈58.2°F

L: ≈23.4°F

🌇 6:18 p.m.

Mon. October 20  

🌅 7:42 a.m.

H: ≈57.7°F

L: ≈23.1°F

🌇 6:16 p.m.

Tue. October 21 🌑

🌅 7:43 a.m.

H: ≈57.2°F

L: ≈22.8°F

🌇 6:14 p.m.

Wed. October 22  

🌅 7:45 a.m.

H: ≈56.7°F

L: ≈22.4°F

🌇 6:12 p.m.

Thu. October 23  

🌅 7:46 a.m.

H: ≈56.2°F

L: ≈22.1°F

🌇 6:10 p.m.

Fri. October 24  

🌅 7:48 a.m.

H: ≈55.7°F

L: ≈21.8°F

🌇 6:09 p.m.

Sat. October 25  

🌅 7:49 a.m.

H: ≈55.2°F

L: ≈21.4°F

🌇 6:07 p.m.

Sun. October 26  

🌅 7:51 a.m.

H: ≈54.7°F

L: ≈21.1°F

🌇 6:05 p.m.

Mon. October 27  

🌅 7:53 a.m.

H: ≈54.1°F

L: ≈20.8°F

🌇 6:03 p.m.

Tue. October 28  

🌅 7:54 a.m.

H: ≈53.6°F

L: ≈20.4°F

🌇 6:02 p.m.

Wed. October 29 🌓

🌅 7:56 a.m.

H: ≈53.1°F

L: ≈20.1°F

🌇 6:00 p.m.

Thu. October 30  

🌅 7:57 a.m.

H: ≈52.5°F

L: ≈19.8°F

🌇 5:58 p.m.

Fri. October 31 Halloween  

🌅 7:59 a.m.

H: ≈52.0°F

L: ≈19.5°F

🌇 5:57 p.m.


Temperature climatic data from weather station: HARLEM 20S (USC00243934)

Precipitation climatic data from weather station: HARLEM 20S (USC00243934)

Agricultural climatic data from weather station: ROY 24 NE MOBRIDGE (USC00247234)