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What is Fayetteville, IL, Weather Like in October?
During the month of October, Fayetteville, IL,
has an average daytime high temperature of 73°F and an average overnight low temperature dropping to 47°F.
Around 3.12 inches of precipitation is received during the month,
with about 37.15 inches falling in a typical year.
As you might expect, snow is not common in the month of October.
Annually, Fayetteville receives around 7.70 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 19, 2025)
Actual High
Average High
Actual Low
Average Low
Actual data from: MID_KBLV
Fayetteville, IL Daily Weather Averages for October
Recorded at Belleville Siu Rsch
(usw00013802),
10.2 miles
NNW of
Fayetteville, IL
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 51 F | 79 F | 65 F | 0.09" | 34.12" | 0.00" | 7.70" | 3.3 F | 3.3 F |
| 10/2 | 51 F | 78 F | 65 F | 0.17" | 34.20" | 0.00" | 7.70" | 3.4 F | 3.1 F |
| 10/3 | 51 F | 78 F | 64 F | 0.25" | 34.28" | 0.00" | 7.70" | 3.6 F | 3 F |
| 10/4 | 50 F | 78 F | 64 F | 0.34" | 34.37" | 0.00" | 7.70" | 3.9 F | 2.9 F |
| 10/5 | 50 F | 77 F | 64 F | 0.43" | 34.46" | 0.00" | 7.70" | 4.1 F | 2.8 F |
| 10/6 | 50 F | 77 F | 63 F | 0.52" | 34.55" | 0.00" | 7.70" | 4.3 F | 2.6 F |
| 10/7 | 50 F | 77 F | 63 F | 0.60" | 34.63" | 0.00" | 7.70" | 4.6 F | 2.5 F |
| 10/8 | 49 F | 76 F | 63 F | 0.69" | 34.72" | 0.00" | 7.70" | 4.8 F | 2.4 F |
| 10/9 | 49 F | 76 F | 62 F | 0.77" | 34.80" | 0.00" | 7.70" | 5 F | 2.3 F |
| 10/10 | 49 F | 75 F | 62 F | 0.86" | 34.89" | 0.00" | 7.70" | 5.2 F | 2.2 F |
| 10/11 | 48 F | 75 F | 62 F | 0.94" | 34.97" | 0.00" | 7.70" | 5.4 F | 2 F |
| 10/12 | 48 F | 75 F | 61 F | 1.03" | 35.06" | 0.00" | 7.70" | 5.6 F | 1.8 F |
| 10/13 | 48 F | 74 F | 61 F | 1.12" | 35.15" | 0.00" | 7.70" | 5.8 F | 1.7 F |
| 10/14 | 47 F | 74 F | 61 F | 1.21" | 35.24" | 0.00" | 7.70" | 6 F | 1.5 F |
| 10/15 | 47 F | 73 F | 60 F | 1.30" | 35.33" | 0.00" | 7.70" | 6.3 F | 1.4 F |
| 10/16 | 47 F | 73 F | 60 F | 1.40" | 35.43" | 0.00" | 7.70" | 6.5 F | 1.3 F |
| 10/17 | 46 F | 72 F | 59 F | 1.51" | 35.54" | 0.00" | 7.70" | 6.8 F | 1.2 F |
| 10/18 | 46 F | 72 F | 59 F | 1.62" | 35.65" | 0.00" | 7.70" | 7.1 F | 1.1 F |
| 10/19 | 46 F | 72 F | 59 F | 1.73" | 35.76" | 0.00" | 7.70" | 7.4 F | 1.1 F |
| 10/20 | 46 F | 71 F | 58 F | 1.84" | 35.87" | 0.00" | 7.70" | 7.7 F | 1 F |
| 10/21 | 45 F | 71 F | 58 F | 1.95" | 35.98" | 0.00" | 7.70" | 8.1 F | 0.9 F |
| 10/22 | 45 F | 70 F | 58 F | 2.06" | 36.09" | 0.00" | 7.70" | 8.4 F | 0.9 F |
| 10/23 | 45 F | 70 F | 57 F | 2.18" | 36.21" | 0.00" | 7.70" | 8.7 F | 0.8 F |
| 10/24 | 44 F | 69 F | 57 F | 2.30" | 36.33" | 0.00" | 7.70" | 9.1 F | 0.8 F |
| 10/25 | 44 F | 69 F | 56 F | 2.41" | 36.44" | 0.00" | 7.70" | 9.4 F | 0.7 F |
| 10/26 | 44 F | 68 F | 56 F | 2.53" | 36.56" | 0.00" | 7.70" | 9.8 F | 0.7 F |
| 10/27 | 43 F | 68 F | 56 F | 2.65" | 36.68" | 0.00" | 7.70" | 10.1 F | 0.7 F |
| 10/28 | 43 F | 67 F | 55 F | 2.76" | 36.79" | 0.00" | 7.70" | 10.5 F | 0.6 F |
| 10/29 | 43 F | 67 F | 55 F | 2.88" | 36.91" | 0.00" | 7.70" | 10.9 F | 0.6 F |
| 10/30 | 42 F | 66 F | 54 F | 3.00" | 37.03" | 0.00" | 7.70" | 11.3 F | 0.6 F |
| 10/31 | 42 F | 66 F | 54 F | 3.12" | 37.15" | 0.00" | 7.70" | 11.6 F | 0.5 F |
Weather data provided by Xweather
