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What is Harriston, MS, Weather Like in October?
During the month of October, Harriston, MS,
has an average daytime high temperature of 81°F and an average overnight low temperature dropping to 53°F.
Around 4.11 inches of precipitation is received during the month,
with about 46.50 inches falling in a typical year.
As you might expect, snow is not common in the month of October.
Annually, Harriston receives around 0.50 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 25, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 87 F
(+5.6 vs avg)
Average Low: 54.7 F
(0.0 vs avg)
Daytime temperatures were significantly above average.
Actual data from: MID_MSS32
Harriston, MS Daily Weather Averages for October
Recorded at Port Gibson 1 Ne
(usc00227132),
18.3 miles
N of
Harriston, MS
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 60 F | 85 F | 73 F | 0.13" | 42.52" | 0.00" | 0.50" | 0.5 F | 8.1 F |
| 10/2 | 59 F | 85 F | 72 F | 0.26" | 42.65" | 0.00" | 0.50" | 0.6 F | 7.8 F |
| 10/3 | 59 F | 85 F | 72 F | 0.39" | 42.78" | 0.00" | 0.50" | 0.7 F | 7.5 F |
| 10/4 | 59 F | 84 F | 71 F | 0.53" | 42.92" | 0.00" | 0.50" | 0.8 F | 7.2 F |
| 10/5 | 58 F | 84 F | 71 F | 0.66" | 43.05" | 0.00" | 0.50" | 0.8 F | 6.9 F |
| 10/6 | 58 F | 84 F | 71 F | 0.79" | 43.18" | 0.00" | 0.50" | 0.9 F | 6.5 F |
| 10/7 | 57 F | 83 F | 70 F | 0.91" | 43.30" | 0.00" | 0.50" | 0.9 F | 6.2 F |
| 10/8 | 57 F | 83 F | 70 F | 1.03" | 43.42" | 0.00" | 0.50" | 1 F | 5.9 F |
| 10/9 | 56 F | 83 F | 70 F | 1.15" | 43.54" | 0.00" | 0.50" | 1.1 F | 5.6 F |
| 10/10 | 56 F | 82 F | 69 F | 1.26" | 43.65" | 0.00" | 0.50" | 1.2 F | 5.3 F |
| 10/11 | 55 F | 82 F | 69 F | 1.37" | 43.76" | 0.00" | 0.50" | 1.4 F | 5.1 F |
| 10/12 | 55 F | 82 F | 68 F | 1.50" | 43.89" | 0.00" | 0.50" | 1.6 F | 4.8 F |
| 10/13 | 54 F | 81 F | 68 F | 1.63" | 44.02" | 0.00" | 0.50" | 1.8 F | 4.6 F |
| 10/14 | 54 F | 81 F | 67 F | 1.76" | 44.15" | 0.00" | 0.50" | 1.9 F | 4.3 F |
| 10/15 | 53 F | 81 F | 67 F | 1.89" | 44.28" | 0.00" | 0.50" | 2.1 F | 4.1 F |
| 10/16 | 53 F | 80 F | 67 F | 2.03" | 44.42" | 0.00" | 0.50" | 2.2 F | 3.8 F |
| 10/17 | 53 F | 80 F | 66 F | 2.16" | 44.55" | 0.00" | 0.50" | 2.4 F | 3.6 F |
| 10/18 | 52 F | 80 F | 66 F | 2.29" | 44.68" | 0.00" | 0.50" | 2.6 F | 3.4 F |
| 10/19 | 52 F | 79 F | 65 F | 2.43" | 44.82" | 0.00" | 0.50" | 2.8 F | 3.2 F |
| 10/20 | 51 F | 79 F | 65 F | 2.57" | 44.96" | 0.00" | 0.50" | 3.1 F | 3.1 F |
| 10/21 | 51 F | 78 F | 65 F | 2.71" | 45.10" | 0.00" | 0.50" | 3.4 F | 3 F |
| 10/22 | 50 F | 78 F | 64 F | 2.85" | 45.24" | 0.00" | 0.50" | 3.7 F | 2.9 F |
| 10/23 | 50 F | 78 F | 64 F | 3.00" | 45.39" | 0.00" | 0.50" | 4 F | 2.8 F |
| 10/24 | 50 F | 77 F | 63 F | 3.14" | 45.53" | 0.00" | 0.50" | 4.3 F | 2.7 F |
| 10/25 | 49 F | 77 F | 63 F | 3.28" | 45.67" | 0.00" | 0.50" | 4.6 F | 2.6 F |
| 10/26 | 49 F | 76 F | 63 F | 3.42" | 45.81" | 0.00" | 0.50" | 4.9 F | 2.4 F |
| 10/27 | 48 F | 76 F | 62 F | 3.56" | 45.95" | 0.00" | 0.50" | 5.1 F | 2.3 F |
| 10/28 | 48 F | 76 F | 62 F | 3.71" | 46.10" | 0.00" | 0.50" | 5.4 F | 2.2 F |
| 10/29 | 48 F | 75 F | 61 F | 3.84" | 46.23" | 0.00" | 0.50" | 5.7 F | 2.1 F |
| 10/30 | 47 F | 75 F | 61 F | 3.98" | 46.37" | 0.00" | 0.50" | 6 F | 2 F |
| 10/31 | 47 F | 74 F | 61 F | 4.11" | 46.50" | 0.00" | 0.50" | 6.2 F | 1.9 F |
