New Castle weather in October: New Castle, Pennsylvania: normal highs, lows, rain and records for October

New Castle in October has a normal high of 66°F and a normal low of 41°F, a daily mean of 54°F, falling from 73°F on the 1st to 60°F by the 31st. Measurable precipitation falls on 12 days in a normal October, 3.22 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 19°C and low of 5°C, 82 mm of precipitation in October.

  • NOAA stationNew Castle (1 mi N)
  • Station IDUSC00366233
  • Location41.02°N 80.36°W
  • Elevation825 ft (252 m)
  • Population21,332
  1. Jan 37° 19°
  2. Feb 40° 20°
  3. Mar 49° 27°
  4. Apr 63° 36°
  5. May 73° 47°
  6. Jun 82° 56°
  7. Jul 86° 60°
  8. Aug 85° 59°
  9. Sep 79° 52°
  10. Oct 66° 41°
  11. Nov 53° 32°
  12. Dec 42° 25°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is New Castle in October?

The normal high is 66°F and the normal low 41°F, for a daily mean of 53.8°F. October is 11.6°F cooler than September and 11.4°F warmer than November. October is the 6th warmest month of the year in New Castle and the 7th wettest. Across the month the normal high falls 13°F, from 73°F on October 1 to 60°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 51°F and 56°F.

New Castle in October, day by day: normal high and low

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 42%).

Normal high and low on five days of October, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
October 173°F47°F38%23%
October 870°F44°F39%23%
October 1567°F42°F41%24%
October 2264°F39°F41%24%
October 3160°F36°F42%24%
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
New Castle: NOAA 1991-2020 daily normals for each day of October
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
October 173°F47°F38%23%11 h 50 min
October 272°F46°F38%23%11 h 50 min
October 372°F46°F39%23%11 h 40 min
October 471°F46°F39%23%11 h 40 min
October 571°F45°F39%23%11 h 40 min
October 671°F45°F39%23%11 h 40 min
October 770°F44°F39%23%11 h 30 min
October 870°F44°F39%23%11 h 30 min
October 969°F44°F40%23%11 h 30 min
October 1069°F43°F40%23%11 h 20 min
October 1168°F43°F40%23%11 h 20 min
October 1268°F43°F40%23%11 h 20 min
October 1368°F42°F40%23%11 h 20 min
October 1467°F42°F41%24%11 h 10 min
October 1567°F42°F41%24%11 h 10 min
October 1666°F41°F41%24%11 h 10 min
October 1766°F41°F41%24%11 h 10 min
October 1866°F40°F41%24%11 h
October 1965°F40°F41%24%11 h
October 2065°F40°F41%24%11 h
October 2164°F39°F41%24%11 h
October 2264°F39°F41%24%10 h 50 min
October 2363°F39°F41%24%10 h 50 min
October 2463°F38°F41%24%10 h 50 min
October 2563°F38°F41%24%10 h 50 min
October 2662°F38°F41%24%10 h 40 min
October 2762°F37°F41%24%10 h 40 min
October 2861°F37°F42%24%10 h 40 min
October 2961°F37°F42%24%10 h 40 min
October 3060°F36°F42%24%10 h 30 min
October 3160°F36°F42%24%10 h 30 min
Normal high
66°FOctober average
Normal low
41°FOctober average
Precipitation
3.22 inmonth total
Days with precipitation
120.01 inch or more
Nights at 32°F or colder
5
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
64%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00366233; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in New Castle in October?

On a given October day the chance of 0.01 inch or more is 40% on average, highest around October 28 (42%). In all, 3.22 in falls on 12 days of a normal October, 1 of them with an inch or more.

In a normal October in New Castle, 5 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00366233.

What are the records for October in New Castle?

The warmest October temperature on this station's record (since 1894) is 91°F, on October 2, 1927; the coldest is 17°F, on October 29, 1965. The wettest October brought 10.80 in (1954); the snowiest, 2.1 inches (1930).

Source: records: ACIS, station USC00366233. Records and recent months use complete months only.

How does October in New Castle 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; New Castle's is 66°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places