Philadelphia weather in October: Philadelphia, Pennsylvania: normal highs, lows, rain and records for October
Philadelphia in October has a normal high of 67°F and a normal low of 49°F, a daily mean of 58°F, falling from 73°F on the 1st to 62°F by the 31st. Measurable precipitation falls on 9 days in a normal October, 3.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 10°C, 88 mm of precipitation in October.
- NOAA stationPhiladelphia International Airport
- Station IDUSW00013739
- Location39.87°N 75.23°W
- Elevation10 ft (3 m)
- From the center11 miles
- Population1,573,916
- Jan 41° 26°
- Feb 44° 28°
- Mar 53° 34°
- Apr 65° 44°
- May 74° 54°
- Jun 83° 64°
- Jul 88° 70°
- Aug 86° 68°
- Sep 79° 61°
- Oct 67° 49°
- Nov 56° 39°
- Dec 46° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Philadelphia in October?
The normal high is 67°F and the normal low 49°F, for a daily mean of 58.2°F. October is 11.7°F cooler than September and 10.8°F warmer than November. October is the 6th warmest month of the year in Philadelphia and the 7th wettest. Across the month the normal high falls 11°F, from 73°F on October 1 to 62°F on October 31. From one year to the next October's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 56°F and 61°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 73°F | 55°F | 32% | 18% |
| October 8 | 70°F | 52°F | 31% | 18% |
| October 15 | 68°F | 50°F | 30% | 18% |
| October 22 | 65°F | 47°F | 29% | 18% |
| October 31 | 62°F | 44°F | 29% | 19% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 73°F | 55°F | 32% | 18% | 11 h 50 min |
| October 2 | 73°F | 55°F | 32% | 18% | 11 h 50 min |
| October 3 | 72°F | 54°F | 32% | 18% | 11 h 40 min |
| October 4 | 72°F | 54°F | 32% | 18% | 11 h 40 min |
| October 5 | 71°F | 54°F | 32% | 18% | 11 h 40 min |
| October 6 | 71°F | 53°F | 31% | 18% | 11 h 40 min |
| October 7 | 71°F | 53°F | 31% | 18% | 11 h 30 min |
| October 8 | 70°F | 52°F | 31% | 18% | 11 h 30 min |
| October 9 | 70°F | 52°F | 31% | 18% | 11 h 30 min |
| October 10 | 69°F | 52°F | 31% | 18% | 11 h 30 min |
| October 11 | 69°F | 51°F | 31% | 18% | 11 h 20 min |
| October 12 | 69°F | 51°F | 31% | 18% | 11 h 20 min |
| October 13 | 68°F | 50°F | 31% | 18% | 11 h 20 min |
| October 14 | 68°F | 50°F | 30% | 18% | 11 h 20 min |
| October 15 | 68°F | 50°F | 30% | 18% | 11 h 10 min |
| October 16 | 67°F | 49°F | 30% | 18% | 11 h 10 min |
| October 17 | 67°F | 49°F | 30% | 18% | 11 h 10 min |
| October 18 | 66°F | 48°F | 30% | 18% | 11 h 10 min |
| October 19 | 66°F | 48°F | 30% | 18% | 11 h |
| October 20 | 66°F | 48°F | 30% | 18% | 11 h |
| October 21 | 65°F | 47°F | 29% | 18% | 11 h |
| October 22 | 65°F | 47°F | 29% | 18% | 11 h |
| October 23 | 65°F | 46°F | 29% | 18% | 10 h 50 min |
| October 24 | 64°F | 46°F | 29% | 18% | 10 h 50 min |
| October 25 | 64°F | 46°F | 29% | 18% | 10 h 50 min |
| October 26 | 63°F | 45°F | 29% | 18% | 10 h 50 min |
| October 27 | 63°F | 45°F | 29% | 19% | 10 h 40 min |
| October 28 | 63°F | 45°F | 29% | 19% | 10 h 40 min |
| October 29 | 62°F | 44°F | 29% | 19% | 10 h 40 min |
| October 30 | 62°F | 44°F | 29% | 19% | 10 h 40 min |
| October 31 | 62°F | 44°F | 29% | 19% | 10 h 30 min |
- Normal high
- 67°FOctober average
- Normal low
- 49°FOctober average
- Precipitation
- 3.47 inmonth total
- Days with precipitation
- 90.01 inch or more
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 13
- Days at 80°F or more
- 3
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013739; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Philadelphia in October?
On a given October day the chance of 0.01 inch or more is 30% on average, highest around October 1 (32%). In all, 3.47 in falls on 9 days of a normal October, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013739.
How humid and windy is Philadelphia in October?
At 3 p.m. the normal temperature is 60°F with 49% relative humidity and a dew point of 41°F; at 6 a.m. it is 48°F with 76% humidity. The wind averages 9.1 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 48°F | 41°F | 76% | 7.7 mph | 44% |
| 9 a.m. | 52°F | 42°F | 67% | 10.2 mph | 37% |
| noon | 58°F | 41°F | 54% | 11.4 mph | 28% |
| 3 p.m. | 60°F | 41°F | 49% | 11.4 mph | 28% |
| 6 p.m. | 56°F | 41°F | 57% | 9.2 mph | 37% |
| 9 p.m. | 52°F | 41°F | 66% | 8.3 mph | 47% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013739. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for October in Philadelphia?
The warmest October temperature on Philadelphia's official record (since 1873) is 96°F, on October 5, 1941; the coldest is 25°F, on October 25, 1962. The wettest October brought 8.68 in (2005); the snowiest, 2.1 inches (1979).
The October mean against the 1991-2020 normal of 58.2°F: 2021 64.0°F (+5.8), 2022 57.2°F (−1.0), 2023 61.4°F (+3.2), 2024 61.7°F (+3.5), 2025 60.2°F (+2.0). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.0°F | +5.8°F | 4.81 in |
| 2022 | 57.2°F | −1.0°F | 5.80 in |
| 2023 | 61.4°F | +3.2°F | 0.72 in |
| 2024 | 61.7°F | +3.5°F | 0.00 in |
| 2025 | 60.2°F | +2.0°F | 2.02 in |
Source: records: ACIS, NWS threaded record PHLthr; recent months: ACIS, station USW00013739. Records and recent months use complete months only.
How does October in Philadelphia compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, October normal highs run from 56°F in Laporte to 68°F in Marcus Hook; Philadelphia's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Philadelphia in September79°F by day, 61°F at night
- Philadelphia in November56°F by day, 39°F at night
- Philadelphia through the yearEvery month, frost dates, records and recent years
- Pennsylvania in OctoberThe statewide normal and the warmest and coolest places
- Marcus Hook: Pennsylvania's warmest Octobernormal high 68°F