West Chester weather in October: West Chester, Pennsylvania: normal highs, lows, rain and records for October
West Chester in October has a normal high of 66°F and a normal low of 41°F, a daily mean of 54°F, falling from 72°F on the 1st to 61°F by the 31st. Measurable precipitation falls on 11 days in a normal October, 4.83 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 5°C, 123 mm of precipitation in October.
- NOAA stationWest Chester (2 mi NW)
- Station IDUSC00369464
- Location39.97°N 75.64°W
- Elevation375 ft (114 m)
- From the center2 miles
- Population22,758
- Jan 40° 20°
- Feb 43° 21°
- Mar 51° 29°
- Apr 63° 38°
- May 73° 49°
- Jun 82° 59°
- Jul 86° 64°
- Aug 84° 62°
- Sep 78° 54°
- Oct 66° 41°
- Nov 55° 32°
- Dec 44° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is West Chester in October?
The normal high is 66°F and the normal low 41°F, for a daily mean of 53.7°F. October is 12.2°F cooler than September and 10.3°F warmer than November. October is the 6th warmest month of the year in West Chester and the 2nd wettest. Across the month the normal high falls 11°F, from 72°F on October 1 to 61°F on October 31. From one year to the next October's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 51°F and 56°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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 72°F | 48°F | 34% | 22% |
| October 8 | 69°F | 45°F | 34% | 22% |
| October 15 | 66°F | 42°F | 34% | 22% |
| October 22 | 64°F | 39°F | 34% | 23% |
| October 31 | 61°F | 36°F | 33% | 22% |
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 | 72°F | 48°F | 34% | 22% | 11 h 50 min |
| October 2 | 71°F | 47°F | 34% | 22% | 11 h 50 min |
| October 3 | 71°F | 47°F | 34% | 22% | 11 h 40 min |
| October 4 | 71°F | 46°F | 34% | 22% | 11 h 40 min |
| October 5 | 70°F | 46°F | 34% | 22% | 11 h 40 min |
| October 6 | 70°F | 45°F | 34% | 22% | 11 h 40 min |
| October 7 | 69°F | 45°F | 34% | 22% | 11 h 30 min |
| October 8 | 69°F | 45°F | 34% | 22% | 11 h 30 min |
| October 9 | 69°F | 44°F | 34% | 22% | 11 h 30 min |
| October 10 | 68°F | 44°F | 34% | 22% | 11 h 30 min |
| October 11 | 68°F | 43°F | 34% | 22% | 11 h 20 min |
| October 12 | 67°F | 43°F | 34% | 22% | 11 h 20 min |
| October 13 | 67°F | 43°F | 34% | 22% | 11 h 20 min |
| October 14 | 67°F | 42°F | 34% | 22% | 11 h 20 min |
| October 15 | 66°F | 42°F | 34% | 22% | 11 h 10 min |
| October 16 | 66°F | 41°F | 34% | 23% | 11 h 10 min |
| October 17 | 66°F | 41°F | 34% | 23% | 11 h 10 min |
| October 18 | 65°F | 40°F | 34% | 23% | 11 h 10 min |
| October 19 | 65°F | 40°F | 34% | 23% | 11 h |
| October 20 | 65°F | 40°F | 34% | 23% | 11 h |
| October 21 | 64°F | 39°F | 34% | 23% | 11 h |
| October 22 | 64°F | 39°F | 34% | 23% | 11 h |
| October 23 | 64°F | 39°F | 34% | 22% | 10 h 50 min |
| October 24 | 63°F | 38°F | 33% | 22% | 10 h 50 min |
| October 25 | 63°F | 38°F | 33% | 22% | 10 h 50 min |
| October 26 | 63°F | 38°F | 33% | 22% | 10 h 50 min |
| October 27 | 62°F | 37°F | 33% | 22% | 10 h 40 min |
| October 28 | 62°F | 37°F | 33% | 22% | 10 h 40 min |
| October 29 | 62°F | 37°F | 33% | 22% | 10 h 40 min |
| October 30 | 61°F | 36°F | 33% | 22% | 10 h 40 min |
| October 31 | 61°F | 36°F | 33% | 22% | 10 h 30 min |
- Normal high
- 66°FOctober average
- Normal low
- 41°FOctober average
- Precipitation
- 4.83 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 6
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 3
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00369464; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in West Chester in October?
On a given October day the chance of 0.01 inch or more is 34% on average, highest around October 5 (34%). In all, 4.83 in falls on 11 days of a normal October, 1 of them with an inch or more.
In a normal October in West Chester, 6 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00369464.
What are the records for October in West Chester?
The warmest October temperature on this station's record (since 1893) is 97°F, on October 5, 1941; the coldest is 19°F, on October 31, 1983. The wettest October brought 10.02 in (2012); the snowiest, 2.0 inches (1925).
Source: records: ACIS, station USC00369464. Records and recent months use complete months only.
How does October in West Chester 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; West Chester's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- West Chester in September78°F by day, 54°F at night
- West Chester in November55°F by day, 32°F at night
- West Chester 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