Weather Almanac: Somonauk, IL 60552

🗓️ Historical norms for October 2025

October avg. precipitation
🌧️ 3.11"
October days below freezing
📉 ≈6.5 days
Average October lows ≈38.8°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 May 19
First Fall Frost (36°F)
🍂 Sep 25
Wed. October 1  

🌅 6:52 a.m.

H: ≈68.2°F

L: ≈42.8°F

🌇 6:35 p.m.

Thu. October 2  

🌅 6:53 a.m.

H: ≈67.8°F

L: ≈42.4°F

🌇 6:34 p.m.

Fri. October 3  

🌅 6:54 a.m.

H: ≈67.4°F

L: ≈42.1°F

🌇 6:32 p.m.

Sat. October 4  

🌅 6:55 a.m.

H: ≈67.0°F

L: ≈41.8°F

🌇 6:30 p.m.

Sun. October 5  

🌅 6:56 a.m.

H: ≈66.6°F

L: ≈41.5°F

🌇 6:29 p.m.

Mon. October 6 🌕

🌅 6:57 a.m.

H: ≈66.2°F

L: ≈41.2°F

🌇 6:27 p.m.

Tue. October 7  

🌅 6:58 a.m.

H: ≈65.8°F

L: ≈40.9°F

🌇 6:25 p.m.

Wed. October 8  

🌅 6:59 a.m.

H: ≈65.4°F

L: ≈40.6°F

🌇 6:24 p.m.

Thu. October 9  

🌅 7:00 a.m.

H: ≈65.0°F

L: ≈40.3°F

🌇 6:22 p.m.

Fri. October 10  

🌅 7:01 a.m.

H: ≈64.6°F

L: ≈40.1°F

🌇 6:20 p.m.

Sat. October 11  

🌅 7:02 a.m.

H: ≈64.2°F

L: ≈39.9°F

🌇 6:19 p.m.

Sun. October 12  

🌅 7:03 a.m.

H: ≈63.8°F

L: ≈39.6°F

🌇 6:17 p.m.

Mon. October 13 Columbus Day 🌗

🌅 7:05 a.m.

H: ≈63.4°F

L: ≈39.4°F

🌇 6:16 p.m.

Tue. October 14  

🌅 7:06 a.m.

H: ≈63.0°F

L: ≈39.2°F

🌇 6:14 p.m.

Wed. October 15  

🌅 7:07 a.m.

H: ≈62.5°F

L: ≈39.0°F

🌇 6:12 p.m.

Thu. October 16  

🌅 7:08 a.m.

H: ≈62.1°F

L: ≈38.7°F

🌇 6:11 p.m.

Fri. October 17  

🌅 7:09 a.m.

H: ≈61.7°F

L: ≈38.5°F

🌇 6:09 p.m.

Sat. October 18  

🌅 7:10 a.m.

H: ≈61.3°F

L: ≈38.3°F

🌇 6:08 p.m.

Sun. October 19  

🌅 7:11 a.m.

H: ≈60.9°F

L: ≈38.1°F

🌇 6:06 p.m.

Mon. October 20  

🌅 7:13 a.m.

H: ≈60.5°F

L: ≈37.9°F

🌇 6:05 p.m.

Tue. October 21 🌑

🌅 7:14 a.m.

H: ≈60.0°F

L: ≈37.7°F

🌇 6:03 p.m.

Wed. October 22  

🌅 7:15 a.m.

H: ≈59.6°F

L: ≈37.4°F

🌇 6:02 p.m.

Thu. October 23  

🌅 7:16 a.m.

H: ≈59.1°F

L: ≈37.2°F

🌇 6:01 p.m.

Fri. October 24  

🌅 7:17 a.m.

H: ≈58.7°F

L: ≈37.0°F

🌇 5:59 p.m.

Sat. October 25  

🌅 7:18 a.m.

H: ≈58.2°F

L: ≈36.7°F

🌇 5:58 p.m.

Sun. October 26  

🌅 7:20 a.m.

H: ≈57.8°F

L: ≈36.5°F

🌇 5:56 p.m.

Mon. October 27  

🌅 7:21 a.m.

H: ≈57.3°F

L: ≈36.2°F

🌇 5:55 p.m.

Tue. October 28  

🌅 7:22 a.m.

H: ≈56.8°F

L: ≈35.9°F

🌇 5:54 p.m.

Wed. October 29 🌓

🌅 7:23 a.m.

H: ≈56.3°F

L: ≈35.7°F

🌇 5:52 p.m.

Thu. October 30  

🌅 7:24 a.m.

H: ≈55.8°F

L: ≈35.4°F

🌇 5:51 p.m.

Fri. October 31 Halloween  

🌅 7:26 a.m.

H: ≈55.3°F

L: ≈35.0°F

🌇 5:50 p.m.


Temperature climatic data from weather station: SHABBONA 5 NNE (USW00054811)

Precipitation climatic data from weather station: PLANO (USC00116855)

Agricultural climatic data from weather station: CHICAGO AURORA MUNI AP (USW00004808)