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What is Patapsco River Reservoir, MD, Weather Like in October?
During the month of October, Patapsco River Reservoir, MD,
has an average daytime high temperature of 69°F and an average overnight low temperature dropping to 47°F.
Around 3.94 inches of precipitation is received during the month,
with about 38.16 inches falling in a typical year.
As you might expect, snow is not common in the month of October.
Annually, Patapsco River Reservoir receives around 16.70 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 23, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 70 F
(0.0 vs avg)
Average Low: 49.2 F
(+0.9 vs avg)
Actual data from: KBWI
Patapsco River Reservoir, MD Daily Weather Averages for October
Recorded at Baltimore Wash Intl Ap
(usw00093721),
6.9 miles
SE of
Patapsco River Reservoir, MD
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 53 F | 74 F | 63 F | 0.14" | 34.36" | 0.00" | 16.70" | 3.9 F | 2.2 F |
| 10/2 | 52 F | 74 F | 63 F | 0.27" | 34.49" | 0.00" | 16.70" | 4.1 F | 2 F |
| 10/3 | 52 F | 73 F | 63 F | 0.41" | 34.63" | 0.00" | 16.70" | 4.4 F | 1.9 F |
| 10/4 | 51 F | 73 F | 62 F | 0.54" | 34.76" | 0.00" | 16.70" | 4.7 F | 1.8 F |
| 10/5 | 51 F | 72 F | 62 F | 0.68" | 34.90" | 0.00" | 16.70" | 5 F | 1.7 F |
| 10/6 | 51 F | 72 F | 61 F | 0.82" | 35.04" | 0.00" | 16.70" | 5.3 F | 1.5 F |
| 10/7 | 50 F | 72 F | 61 F | 0.96" | 35.18" | 0.00" | 16.70" | 5.6 F | 1.4 F |
| 10/8 | 50 F | 71 F | 60 F | 1.09" | 35.31" | 0.00" | 16.70" | 5.9 F | 1.4 F |
| 10/9 | 49 F | 71 F | 60 F | 1.22" | 35.44" | 0.00" | 16.70" | 6.2 F | 1.3 F |
| 10/10 | 49 F | 70 F | 60 F | 1.35" | 35.57" | 0.00" | 16.70" | 6.5 F | 1.1 F |
| 10/11 | 48 F | 70 F | 59 F | 1.47" | 35.69" | 0.00" | 16.70" | 6.8 F | 1 F |
| 10/12 | 48 F | 70 F | 59 F | 1.59" | 35.81" | 0.00" | 16.70" | 7.1 F | 0.9 F |
| 10/13 | 48 F | 69 F | 58 F | 1.72" | 35.94" | 0.00" | 16.70" | 7.4 F | 0.8 F |
| 10/14 | 47 F | 69 F | 58 F | 1.84" | 36.06" | 0.00" | 16.70" | 7.6 F | 0.7 F |
| 10/15 | 47 F | 69 F | 58 F | 1.97" | 36.19" | 0.00" | 16.70" | 7.9 F | 0.6 F |
| 10/16 | 46 F | 68 F | 57 F | 2.09" | 36.31" | 0.00" | 16.70" | 8.2 F | 0.5 F |
| 10/17 | 46 F | 68 F | 57 F | 2.22" | 36.44" | 0.00" | 16.70" | 8.5 F | 0.4 F |
| 10/18 | 46 F | 68 F | 57 F | 2.35" | 36.57" | 0.00" | 16.70" | 8.8 F | 0.4 F |
| 10/19 | 45 F | 67 F | 56 F | 2.47" | 36.69" | 0.00" | 16.70" | 9.2 F | 0.3 F |
| 10/20 | 45 F | 67 F | 56 F | 2.60" | 36.82" | 0.00" | 16.70" | 9.5 F | 0.3 F |
| 10/21 | 44 F | 67 F | 55 F | 2.73" | 36.95" | 0.00" | 16.70" | 9.9 F | 0.3 F |
| 10/22 | 44 F | 66 F | 55 F | 2.86" | 37.08" | 0.00" | 16.70" | 10.2 F | 0.3 F |
| 10/23 | 44 F | 66 F | 55 F | 2.98" | 37.20" | 0.00" | 16.70" | 10.5 F | 0.2 F |
| 10/24 | 43 F | 65 F | 54 F | 3.10" | 37.32" | 0.00" | 16.70" | 10.9 F | 0.2 F |
| 10/25 | 43 F | 65 F | 54 F | 3.23" | 37.45" | 0.00" | 16.70" | 11.2 F | 0.2 F |
| 10/26 | 43 F | 65 F | 54 F | 3.34" | 37.56" | 0.00" | 16.70" | 11.5 F | 0.2 F |
| 10/27 | 42 F | 64 F | 53 F | 3.46" | 37.68" | 0.00" | 16.70" | 11.9 F | 0.1 F |
| 10/28 | 42 F | 64 F | 53 F | 3.58" | 37.80" | 0.00" | 16.70" | 12.2 F | 0.1 F |
| 10/29 | 42 F | 64 F | 53 F | 3.70" | 37.92" | 0.00" | 16.70" | 12.5 F | 0.1 F |
| 10/30 | 41 F | 63 F | 52 F | 3.82" | 38.04" | 0.00" | 16.70" | 12.8 F | 0.1 F |
| 10/31 | 41 F | 63 F | 52 F | 3.94" | 38.16" | 0.00" | 16.70" | 13.2 F | 0.1 F |
