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

Indiana in October has a normal high of 63°F and a normal low of 40°F, a daily mean of 52°F, falling from 69°F on the 1st to 57°F by the 31st. Measurable precipitation falls on 13 days in a normal October, 3.52 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 17°C and low of 5°C, 89 mm of precipitation in October.

  • NOAA stationIndiana (3 mi SE)
  • Station IDUSC00364214
  • Location40.60°N 79.12°W
  • Elevation1,102 ft (336 m)
  • From the center3 miles
  • Population14,294
  1. Jan 36° 18°
  2. Feb 39° 18°
  3. Mar 49° 25°
  4. Apr 62° 35°
  5. May 72° 46°
  6. Jun 79° 54°
  7. Jul 83° 59°
  8. Aug 81° 58°
  9. Sep 75° 51°
  10. Oct 63° 40°
  11. Nov 51° 30°
  12. Dec 41° 24°

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

How warm is Indiana in October?

The normal high is 63°F and the normal low 40°F, for a daily mean of 51.9°F. October is 11.1°F cooler than September and 11.4°F warmer than November. October is the 6th warmest month of the year in Indiana and the 10th wettest. Across the month the normal high falls 12°F, from 69°F on October 1 to 57°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 50°F and 54°F.

Indiana 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 43%).

Normal high and low on five days of October, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
October 169°F46°F41%26%
October 867°F43°F41%25%
October 1564°F41°F42%25%
October 2261°F38°F42%25%
October 3157°F35°F43%25%
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
Indiana: NOAA 1991-2020 daily normals for each day of October
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
October 169°F46°F41%26%11 h 50 min
October 269°F46°F41%26%11 h 50 min
October 369°F45°F41%26%11 h 40 min
October 468°F45°F41%26%11 h 40 min
October 568°F45°F41%25%11 h 40 min
October 667°F44°F41%25%11 h 40 min
October 767°F44°F41%25%11 h 30 min
October 867°F43°F41%25%11 h 30 min
October 966°F43°F41%25%11 h 30 min
October 1066°F43°F41%25%11 h 30 min
October 1165°F42°F41%25%11 h 20 min
October 1265°F42°F41%25%11 h 20 min
October 1365°F42°F42%25%11 h 20 min
October 1464°F41°F42%25%11 h 10 min
October 1564°F41°F42%25%11 h 10 min
October 1663°F40°F42%25%11 h 10 min
October 1763°F40°F42%25%11 h 10 min
October 1863°F40°F42%25%11 h
October 1962°F39°F42%25%11 h
October 2062°F39°F42%25%11 h
October 2162°F38°F42%25%11 h
October 2261°F38°F42%25%10 h 50 min
October 2361°F38°F42%25%10 h 50 min
October 2460°F37°F42%25%10 h 50 min
October 2560°F37°F42%25%10 h 50 min
October 2660°F36°F42%25%10 h 40 min
October 2759°F36°F43%25%10 h 40 min
October 2859°F36°F43%25%10 h 40 min
October 2958°F35°F43%25%10 h 40 min
October 3058°F35°F43%25%10 h 30 min
October 3157°F35°F43%25%10 h 30 min
Normal high
63°FOctober average
Normal low
40°FOctober average
Precipitation
3.52 inmonth total
Days with precipitation
130.01 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
10
Days at 80°F or more
2
Sunshine
66%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00364214; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Indiana in October?

On a given October day the chance of 0.01 inch or more is 42% on average, highest around October 31 (43%). In all, 3.52 in falls on 13 days of a normal October, 1 of them with an inch or more.

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

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00364214.

What are the records for October in Indiana?

The warmest October temperature on this station's record (since 1946) is 87°F, on October 10, 1949; the coldest is 11°F, on October 21, 1952. The wettest October brought 8.30 in (1954); the snowiest, 6.0 inches (2005).

The October mean against the 1991-2020 normal of 51.9°F: 2021 56.9°F (+5.0), 2022 48.5°F (−3.4), 2023 53.3°F (+1.4), 2024 51.8°F (−0.1), 2025 51.8°F (−0.1). 2 of 5 ran warmer than normal.

Indiana: October in recent years against the 1991-2020 normal
OctoberMeanAgainst normalPrecip.
202156.9°F+5.0°F3.07 in
202248.5°F−3.4°F1.74 in
202353.3°F+1.4°F3.56 in
202451.8°F−0.1°F2.81 in
202551.8°F−0.1°F2.90 in

Source: records: ACIS, station USC00364214; recent months: ACIS, station USC00364214. Records and recent months use complete months only.

How does October in Indiana 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; Indiana's is 63°F.

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

Other months and places