Weather in Philadelphia, Pennsylvania for October 2025
Coastal Flood Advisory - See hour by hour.
Until now, October 2025 in Philadelphia is slightly cooler than the historical average by -1.6 °F.
The forecast for the next days in Philadelphia predicts temperatures to be around 15 °F, close to the historical average.
In general, the average temperature in Philadelphia at the beginning of October is 22.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °F by the end of October.
The climate of Philadelphia in October is notably wet, with an average of 15 rainy days, and a total of 84 mm of precipitation.
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Philadelphia Weather October
Temperatures trend during October in Philadelphia
October weather in Philadelphia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Sunny | 20° /13° | 7 mm | 5 | |
| Oct. 2 | Sunny | 21° /12° | 4.1 mm | 5 | |
| Oct. 3 |  Overcast | 22° /13° | 5.9 mm | 5 | |
| Oct. 4 |  Moderate or heavy rain shower | 24° /14° | 9.1 mm | 6 | |
| Oct. 5 |  Patchy rain possible | 23° /14° | 0.5 mm | 5 | |
| Oct. 6 | Overcast | 24° /14° | 0.4 mm | 6 | |
| Oct. 7 |  Moderate rain | 22° /14° | 4.7 mm | 5 | |
| Oct. 8 | Overcast | 20° /11° | 18.4 mm | 5 | |
| Oct. 9 | Sunny | 19° /10° | 0.2 mm | 5 | |
| Oct. 10 | Sunny | 19° /11° | 0.4 mm | 5 | |
| Oct. 11 | Sunny | 21° /11° | 0 mm | 5 | |
| Oct. 12 |  Partly cloudy | 21° /12° | 11.5 mm | 5 | |
| Oct. 13 | Overcast | 22° /14° | 10.5 mm | 5 | |
| Oct. 14 | Sunny | 19° /12° | 4.4 mm | 5 | |
| Oct. 15 |  Cloudy | 20° /10° | 1.7 mm | 5 | |
| Oct. 16 | Moderate or heavy rain shower | 19° /9° | 1.8 mm | 5 | |
| Oct. 17 | Sunny | 17° /9° | 0.6 mm | 5 | |
| Oct. 18 | Partly cloudy | 18° /8° | 0 mm | 5 | |
| Oct. 19 | Cloudy | 20° /8° | 0 mm | 5 | |
| Oct. 20 | Sunny | 19° /10° | 5.6 mm | 5 | |
| Oct. 21 | Sunny | 22° /9° | 1.8 mm | 5 | |
| Oct. 22 | Overcast | 20° /11° | 0 mm | 5 | |
| Oct. 23 | Moderate rain at times | 18° /10° | 0.7 mm | 5 | |
| Oct. 24 | Cloudy | 17° /8° | 0.7 mm | 4 | |
| Oct. 25 | Sunny | 20° /10° | 0.8 mm | 5 | |
| Oct. 26 | Patchy rain possible | 20° /12° | 6 mm | 5 | |
| Oct. 27 | Cloudy | 18° /10° | 0.6 mm | 4 | |
| Oct. 28 | Partly cloudy | 20° /9° | 0 mm | 5 | |
| Oct. 29 | Patchy rain possible | 15° /8° | 0.4 mm | 0.7 | |
| Oct. 30 |  Heavy rain | 14° /9° | 47.5 mm | 0.1 | |
| Oct. 31 | Moderate rain | 15° /9° | 7.6 mm | 0.4 | |
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Philadelphia in October - FAQ
October rainfall patterns in Philadelphia
UV exposure in Philadelphia during October
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