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What is Letterkenny Army Depot, PA, Weather Like in October?
During the month of October, Letterkenny Army Depot, PA,
has an average daytime high temperature of 64°F and an average overnight low temperature dropping to 45°F.
Around 3.53 inches of precipitation is received during the month,
with about 36.96 inches falling in a typical year.
As you might expect, snow is not common in the month of October.
Annually, Letterkenny Army Depot receives around 24.30 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 20, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 72 F
(+5.8 vs avg)
Average Low: 43.9 F
(-2.8 vs avg)
Daytime temperatures were significantly above average.
Actual data from: PWS_KPACHAMB125
Letterkenny Army Depot, PA Daily Weather Averages for October
Recorded at Chambersburg 1 Ese
(usc00361354),
6.5 miles
SSE of
Letterkenny Army Depot, PA
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 50 F | 70 F | 60 F | 0.12" | 33.55" | 0.00" | 24.30" | 6.3 F | 1.1 F |
| 10/2 | 50 F | 69 F | 60 F | 0.24" | 33.67" | 0.00" | 24.30" | 6.6 F | 1.1 F |
| 10/3 | 49 F | 69 F | 59 F | 0.36" | 33.79" | 0.00" | 24.30" | 6.9 F | 1 F |
| 10/4 | 49 F | 68 F | 59 F | 0.48" | 33.91" | 0.00" | 24.30" | 7.2 F | 0.9 F |
| 10/5 | 49 F | 68 F | 58 F | 0.61" | 34.04" | 0.00" | 24.30" | 7.5 F | 0.9 F |
| 10/6 | 48 F | 68 F | 58 F | 0.73" | 34.16" | 0.00" | 24.30" | 7.9 F | 0.8 F |
| 10/7 | 48 F | 67 F | 58 F | 0.86" | 34.29" | 0.00" | 24.30" | 8.2 F | 0.8 F |
| 10/8 | 47 F | 67 F | 57 F | 0.98" | 34.41" | 0.00" | 24.30" | 8.6 F | 0.7 F |
| 10/9 | 47 F | 67 F | 57 F | 1.10" | 34.53" | 0.00" | 24.30" | 8.9 F | 0.7 F |
| 10/10 | 47 F | 66 F | 56 F | 1.22" | 34.65" | 0.00" | 24.30" | 9.2 F | 0.6 F |
| 10/11 | 46 F | 66 F | 56 F | 1.34" | 34.77" | 0.00" | 24.30" | 9.5 F | 0.6 F |
| 10/12 | 46 F | 65 F | 56 F | 1.46" | 34.89" | 0.00" | 24.30" | 9.8 F | 0.5 F |
| 10/13 | 46 F | 65 F | 55 F | 1.57" | 35.00" | 0.00" | 24.30" | 10.1 F | 0.4 F |
| 10/14 | 45 F | 65 F | 55 F | 1.68" | 35.11" | 0.00" | 24.30" | 10.4 F | 0.4 F |
| 10/15 | 45 F | 64 F | 55 F | 1.80" | 35.23" | 0.00" | 24.30" | 10.7 F | 0.3 F |
| 10/16 | 45 F | 64 F | 54 F | 1.91" | 35.34" | 0.00" | 24.30" | 11 F | 0.2 F |
| 10/17 | 44 F | 64 F | 54 F | 2.03" | 35.46" | 0.00" | 24.30" | 11.3 F | 0.2 F |
| 10/18 | 44 F | 63 F | 54 F | 2.14" | 35.57" | 0.00" | 24.30" | 11.6 F | 0.1 F |
| 10/19 | 43 F | 63 F | 53 F | 2.26" | 35.69" | 0.00" | 24.30" | 12 F | 0.1 F |
| 10/20 | 43 F | 63 F | 53 F | 2.37" | 35.80" | 0.00" | 24.30" | 12.3 F | 0.1 F |
| 10/21 | 43 F | 62 F | 53 F | 2.49" | 35.92" | 0.00" | 24.30" | 12.7 F | 0.1 F |
| 10/22 | 42 F | 62 F | 52 F | 2.60" | 36.03" | 0.00" | 24.30" | 13 F | 0.1 F |
| 10/23 | 42 F | 61 F | 52 F | 2.70" | 36.13" | 0.00" | 24.30" | 13.3 F | 0.1 F |
| 10/24 | 42 F | 61 F | 51 F | 2.81" | 36.24" | 0.00" | 24.30" | 13.7 F | 0.1 F |
| 10/25 | 41 F | 61 F | 51 F | 2.92" | 36.35" | 0.00" | 24.30" | 14 F | 0.1 F |
| 10/26 | 41 F | 60 F | 51 F | 3.03" | 36.46" | 0.00" | 24.30" | 14.4 F | 0.1 F |
| 10/27 | 41 F | 60 F | 50 F | 3.13" | 36.56" | 0.00" | 24.30" | 14.7 F | N/A |
| 10/28 | 40 F | 60 F | 50 F | 3.23" | 36.66" | 0.00" | 24.30" | 15 F | N/A |
| 10/29 | 40 F | 59 F | 50 F | 3.33" | 36.76" | 0.00" | 24.30" | 15.4 F | N/A |
| 10/30 | 40 F | 59 F | 49 F | 3.43" | 36.86" | 0.00" | 24.30" | 15.7 F | N/A |
| 10/31 | 40 F | 59 F | 49 F | 3.53" | 36.96" | 0.00" | 24.30" | 16.1 F | N/A |
