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What is Jacksonville, IA, Weather Like in October?
During the month of October, Jacksonville, IA,
has an average daytime high temperature of 66°F and an average overnight low temperature dropping to 40°F.
Around 2.37 inches of precipitation is received during the month,
with about 31.59 inches falling in a typical year.
0.90 inches of snow is the mean amount received during October.
Annually, Jacksonville receives around 21.60 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 24, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 73.8 F
(+6.2 vs avg)
Average Low: 51.3 F
(+10.5 vs avg)
This month was significantly warmer than average.
Actual data from: MID_RAVI4
Jacksonville, IA Daily Weather Averages for October
Recorded at Harlan
(usc00133632),
9.5 miles
W of
Jacksonville, IA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 45 F | 73 F | 59 F | 0.10" | 29.32" | 0.00" | 20.70" | 7.1 F | 1.4 F |
| 10/2 | 45 F | 73 F | 59 F | 0.20" | 29.42" | 0.00" | 20.70" | 7.5 F | 1.3 F |
| 10/3 | 45 F | 72 F | 58 F | 0.29" | 29.51" | 0.00" | 20.70" | 7.8 F | 1.2 F |
| 10/4 | 44 F | 72 F | 58 F | 0.38" | 29.60" | 0.00" | 20.70" | 8.2 F | 1.2 F |
| 10/5 | 44 F | 71 F | 58 F | 0.46" | 29.68" | 0.00" | 20.70" | 8.6 F | 1.1 F |
| 10/6 | 43 F | 71 F | 57 F | 0.55" | 29.77" | 0.00" | 20.70" | 9 F | 1 F |
| 10/7 | 43 F | 70 F | 57 F | 0.62" | 29.84" | 0.00" | 20.70" | 9.4 F | 1 F |
| 10/8 | 43 F | 70 F | 56 F | 0.69" | 29.91" | 0.00" | 20.70" | 9.8 F | 0.9 F |
| 10/9 | 42 F | 69 F | 56 F | 0.77" | 29.99" | 0.00" | 20.70" | 10.2 F | 0.9 F |
| 10/10 | 42 F | 69 F | 55 F | 0.85" | 30.07" | 0.00" | 20.70" | 10.6 F | 0.8 F |
| 10/11 | 41 F | 68 F | 55 F | 0.93" | 30.15" | 0.10" | 20.80" | 11 F | 0.7 F |
| 10/12 | 41 F | 68 F | 54 F | 1.00" | 30.22" | 0.10" | 20.80" | 11.4 F | 0.6 F |
| 10/13 | 40 F | 67 F | 54 F | 1.08" | 30.30" | 0.10" | 20.80" | 11.8 F | 0.5 F |
| 10/14 | 40 F | 67 F | 53 F | 1.15" | 30.37" | 0.10" | 20.80" | 12.1 F | 0.4 F |
| 10/15 | 40 F | 66 F | 53 F | 1.23" | 30.45" | 0.10" | 20.80" | 12.5 F | 0.3 F |
| 10/16 | 39 F | 66 F | 52 F | 1.31" | 30.53" | 0.20" | 20.90" | 13 F | 0.3 F |
| 10/17 | 39 F | 65 F | 52 F | 1.38" | 30.60" | 0.20" | 20.90" | 13.4 F | 0.2 F |
| 10/18 | 38 F | 64 F | 51 F | 1.46" | 30.68" | 0.20" | 20.90" | 13.8 F | 0.2 F |
| 10/19 | 38 F | 64 F | 51 F | 1.53" | 30.75" | 0.30" | 21.00" | 14.3 F | 0.1 F |
| 10/20 | 37 F | 63 F | 50 F | 1.61" | 30.83" | 0.30" | 21.00" | 14.8 F | 0.1 F |
| 10/21 | 37 F | 63 F | 50 F | 1.68" | 30.90" | 0.40" | 21.10" | 15.2 F | 0.1 F |
| 10/22 | 37 F | 62 F | 49 F | 1.75" | 30.97" | 0.40" | 21.10" | 15.7 F | 0.1 F |
| 10/23 | 36 F | 62 F | 49 F | 1.82" | 31.04" | 0.40" | 21.10" | 16.2 F | 0.1 F |
| 10/24 | 36 F | 61 F | 48 F | 1.89" | 31.11" | 0.50" | 21.20" | 16.7 F | N/A |
| 10/25 | 35 F | 61 F | 48 F | 1.97" | 31.19" | 0.50" | 21.20" | 17.1 F | N/A |
| 10/26 | 35 F | 60 F | 47 F | 2.04" | 31.26" | 0.60" | 21.30" | 17.6 F | N/A |
| 10/27 | 34 F | 59 F | 47 F | 2.11" | 31.33" | 0.70" | 21.40" | 18.1 F | N/A |
| 10/28 | 34 F | 59 F | 46 F | 2.18" | 31.40" | 0.70" | 21.40" | 18.6 F | N/A |
| 10/29 | 34 F | 58 F | 46 F | 2.25" | 31.47" | 0.80" | 21.50" | 19.1 F | N/A |
| 10/30 | 33 F | 58 F | 45 F | 2.31" | 31.53" | 0.80" | 21.50" | 19.6 F | N/A |
| 10/31 | 33 F | 57 F | 45 F | 2.37" | 31.59" | 0.90" | 21.60" | 20.1 F | N/A |
