Lancaster weather in October: Lancaster, Pennsylvania: normal highs, lows, rain and records for October
Lancaster in October has a normal high of 66°F and a normal low of 44°F, a daily mean of 55°F, falling from 72°F on the 1st to 61°F by the 31st. Measurable precipitation falls on 11 days in a normal October, 3.78 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 7°C, 96 mm of precipitation in October.
- NOAA stationLancaster Airport
- Station IDUSW00054737
- Location40.12°N 76.29°W
- Elevation403 ft (123 m)
- From the center5 miles
- Population58,441
- Jan 40° 22°
- Feb 42° 23°
- Mar 52° 31°
- Apr 64° 40°
- May 74° 50°
- Jun 82° 60°
- Jul 86° 65°
- Aug 85° 63°
- Sep 78° 56°
- Oct 66° 44°
- Nov 54° 34°
- Dec 44° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lancaster in October?
The normal high is 66°F and the normal low 44°F, for a daily mean of 54.9°F. October is 11.7°F cooler than September and 10.7°F warmer than November. October is the 6th warmest month of the year in Lancaster and the 4th 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 2.4°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 53°F and 57°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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 72°F | 50°F | 37% | 20% |
| October 8 | 69°F | 47°F | 36% | 21% |
| October 15 | 66°F | 44°F | 34% | 20% |
| October 22 | 64°F | 41°F | 32% | 20% |
| October 31 | 61°F | 38°F | 30% | 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 | 72°F | 50°F | 37% | 20% | 11 h 50 min |
| October 2 | 71°F | 49°F | 37% | 20% | 11 h 50 min |
| October 3 | 71°F | 49°F | 36% | 20% | 11 h 40 min |
| October 4 | 71°F | 49°F | 36% | 21% | 11 h 40 min |
| October 5 | 70°F | 48°F | 36% | 21% | 11 h 40 min |
| October 6 | 70°F | 48°F | 36% | 21% | 11 h 40 min |
| October 7 | 69°F | 47°F | 36% | 21% | 11 h 30 min |
| October 8 | 69°F | 47°F | 36% | 21% | 11 h 30 min |
| October 9 | 69°F | 47°F | 36% | 21% | 11 h 30 min |
| October 10 | 68°F | 46°F | 35% | 21% | 11 h 30 min |
| October 11 | 68°F | 46°F | 35% | 21% | 11 h 20 min |
| October 12 | 67°F | 45°F | 35% | 20% | 11 h 20 min |
| October 13 | 67°F | 45°F | 35% | 20% | 11 h 20 min |
| October 14 | 67°F | 45°F | 35% | 20% | 11 h 20 min |
| October 15 | 66°F | 44°F | 34% | 20% | 11 h 10 min |
| October 16 | 66°F | 44°F | 34% | 20% | 11 h 10 min |
| October 17 | 66°F | 43°F | 34% | 20% | 11 h 10 min |
| October 18 | 65°F | 43°F | 34% | 20% | 11 h 10 min |
| October 19 | 65°F | 43°F | 33% | 20% | 11 h |
| October 20 | 65°F | 42°F | 33% | 20% | 11 h |
| October 21 | 64°F | 42°F | 33% | 20% | 11 h |
| October 22 | 64°F | 41°F | 32% | 20% | 11 h |
| October 23 | 63°F | 41°F | 32% | 19% | 10 h 50 min |
| October 24 | 63°F | 41°F | 32% | 19% | 10 h 50 min |
| October 25 | 63°F | 40°F | 32% | 19% | 10 h 50 min |
| October 26 | 62°F | 40°F | 31% | 19% | 10 h 50 min |
| October 27 | 62°F | 40°F | 31% | 19% | 10 h 40 min |
| October 28 | 62°F | 39°F | 31% | 19% | 10 h 40 min |
| October 29 | 61°F | 39°F | 31% | 19% | 10 h 40 min |
| October 30 | 61°F | 39°F | 30% | 19% | 10 h 40 min |
| October 31 | 61°F | 38°F | 30% | 19% | 10 h 30 min |
- Normal high
- 66°FOctober average
- Normal low
- 44°FOctober average
- Precipitation
- 3.78 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 10
- Days at 80°F or more
- 2
- Sunshine
- 68%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00054737; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lancaster in October?
On a given October day the chance of 0.01 inch or more is 34% on average, highest around October 1 (37%). In all, 3.78 in falls on 11 days of a normal October, 1 of them with an inch or more.
In a normal October in Lancaster, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00054737.
What are the records for October in Lancaster?
The warmest October temperature on this station's record (since 1999) is 95°F, on October 2, 2019; the coldest is 27°F, on October 29, 2001. The wettest October brought 8.10 in (2005).
The October mean against the 1991-2020 normal of 54.9°F: 2021 61.5°F (+6.6), 2022 53.7°F (−1.2), 2023 58.1°F (+3.3), 2024 56.7°F (+1.8), 2025 54.6°F (−0.3). 3 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.5°F | +6.6°F | 3.43 in |
| 2022 | 53.7°F | −1.2°F | 4.21 in |
| 2023 | 58.1°F | +3.3°F | 2.51 in |
| 2024 | 56.7°F | +1.8°F | 0.03 in |
| 2025 | 54.6°F | −0.3°F | 2.87 in |
Source: records: ACIS, station USW00054737; recent months: ACIS, station USW00054737. Records and recent months use complete months only.
How does October in Lancaster 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; Lancaster's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Lancaster in September78°F by day, 56°F at night
- Lancaster in November54°F by day, 34°F at night
- Lancaster 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