Your favorites:

What is Griggsville, IL, Weather Like in October?

During the month of October, Griggsville, IL, has an average daytime high temperature of 68°F and an average overnight low temperature dropping to 44°F. Around 3.01 inches of precipitation is received during the month, with about 35.25 inches falling in a typical year. As you might expect, snow is not common in the month of October. Annually, Griggsville receives around 11.10 inches of snow.

October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 20, 2025)
Actual High Average High Actual Low Average Low

Actual data from: KPPQ

Griggsville, IL Daily Weather Averages for October

Recorded at Pittsfield #2 (usc00116837), 7.4 miles SW of Griggsville, IL
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 49 F 75 F 62 F 0.10" 32.34" 0.00" 11.10" 5.4 F 2.1 F
10/2 49 F 74 F 61 F 0.19" 32.43" 0.00" 11.10" 5.7 F 2 F
10/3 48 F 74 F 61 F 0.29" 32.53" 0.00" 11.10" 6 F 1.9 F
10/4 48 F 73 F 61 F 0.39" 32.63" 0.00" 11.10" 6.3 F 1.8 F
10/5 47 F 73 F 60 F 0.48" 32.72" 0.00" 11.10" 6.6 F 1.7 F
10/6 47 F 72 F 60 F 0.58" 32.82" 0.00" 11.10" 6.9 F 1.6 F
10/7 47 F 72 F 59 F 0.68" 32.92" 0.00" 11.10" 7.2 F 1.5 F
10/8 46 F 72 F 59 F 0.78" 33.02" 0.00" 11.10" 7.5 F 1.5 F
10/9 46 F 71 F 59 F 0.88" 33.12" 0.00" 11.10" 7.8 F 1.4 F
10/10 46 F 71 F 58 F 0.97" 33.21" 0.00" 11.10" 8.1 F 1.3 F
10/11 45 F 70 F 58 F 1.07" 33.31" 0.00" 11.10" 8.4 F 1.2 F
10/12 45 F 70 F 57 F 1.16" 33.40" 0.00" 11.10" 8.6 F 1.1 F
10/13 45 F 69 F 57 F 1.26" 33.50" 0.00" 11.10" 8.9 F 0.9 F
10/14 44 F 69 F 57 F 1.35" 33.59" 0.00" 11.10" 9.2 F 0.8 F
10/15 44 F 68 F 56 F 1.45" 33.69" 0.00" 11.10" 9.5 F 0.7 F
10/16 44 F 68 F 56 F 1.55" 33.79" 0.00" 11.10" 9.8 F 0.6 F
10/17 44 F 68 F 56 F 1.65" 33.89" 0.00" 11.10" 10.1 F 0.6 F
10/18 43 F 67 F 55 F 1.75" 33.99" 0.00" 11.10" 10.4 F 0.5 F
10/19 43 F 67 F 55 F 1.85" 34.09" 0.00" 11.10" 10.8 F 0.5 F
10/20 43 F 66 F 54 F 1.94" 34.18" 0.00" 11.10" 11.1 F 0.5 F
10/21 42 F 66 F 54 F 2.03" 34.27" 0.00" 11.10" 11.5 F 0.4 F
10/22 42 F 65 F 54 F 2.12" 34.36" 0.00" 11.10" 11.9 F 0.4 F
10/23 42 F 65 F 53 F 2.22" 34.46" 0.00" 11.10" 12.3 F 0.4 F
10/24 41 F 64 F 53 F 2.31" 34.55" 0.00" 11.10" 12.7 F 0.4 F
10/25 41 F 64 F 52 F 2.41" 34.65" 0.00" 11.10" 13 F 0.4 F
10/26 41 F 63 F 52 F 2.51" 34.75" 0.00" 11.10" 13.4 F 0.4 F
10/27 40 F 63 F 52 F 2.61" 34.85" 0.00" 11.10" 13.8 F 0.3 F
10/28 40 F 62 F 51 F 2.71" 34.95" 0.00" 11.10" 14.2 F 0.3 F
10/29 40 F 62 F 51 F 2.81" 35.05" 0.00" 11.10" 14.6 F 0.3 F
10/30 39 F 62 F 50 F 2.91" 35.15" 0.00" 11.10" 15 F 0.3 F
10/31 39 F 61 F 50 F 3.01" 35.25" 0.00" 11.10" 15.3 F 0.3 F

Weather data provided by Xweather