Slidell weather in October: Slidell, Louisiana: normal highs, lows, rain and records for October

Slidell in October has a normal high of 81°F and a normal low of 57°F, a daily mean of 69°F, falling from 85°F on the 1st to 76°F by the 31st. Measurable precipitation falls on 7 days in a normal October, 3.72 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 27°C and low of 14°C, 94 mm of precipitation in October.

  • NOAA stationSlidell Airport
  • Station IDUSW00053865
  • Location30.34°N 89.82°W
  • Elevation27 ft (8 m)
  • Population28,440
  1. Jan 62° 41°
  2. Feb 66° 44°
  3. Mar 72° 50°
  4. Apr 78° 56°
  5. May 85° 64°
  6. Jun 90° 71°
  7. Jul 91° 73°
  8. Aug 91° 73°
  9. Sep 88° 69°
  10. Oct 81° 57°
  11. Nov 71° 47°
  12. Dec 64° 43°

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

How warm is Slidell in October?

The normal high is 81°F and the normal low 57°F, for a daily mean of 68.9°F. October is 9.3°F cooler than September and 10.1°F warmer than November. October is the 6th warmest month of the year in Slidell and the 12th wettest. Across the month the normal high falls 9°F, from 85°F on October 1 to 76°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 67°F and 71°F.

Slidell 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 26%).

Normal high and low on five days of October, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
October 185°F64°F26%15%
October 883°F61°F25%14%
October 1581°F58°F24%14%
October 2279°F55°F24%14%
October 3176°F51°F24%14%
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
Slidell: NOAA 1991-2020 daily normals for each day of October
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
October 185°F64°F26%15%11 h 50 min
October 285°F64°F26%15%11 h 50 min
October 384°F63°F26%15%11 h 50 min
October 484°F63°F26%15%11 h 50 min
October 584°F62°F25%15%11 h 50 min
October 684°F62°F25%14%11 h 50 min
October 783°F61°F25%14%11 h 40 min
October 883°F61°F25%14%11 h 40 min
October 983°F61°F25%14%11 h 40 min
October 1083°F60°F25%14%11 h 40 min
October 1182°F60°F24%14%11 h 40 min
October 1282°F59°F24%14%11 h 30 min
October 1382°F59°F24%14%11 h 30 min
October 1481°F58°F24%14%11 h 30 min
October 1581°F58°F24%14%11 h 30 min
October 1681°F57°F24%14%11 h 30 min
October 1780°F57°F24%14%11 h 30 min
October 1880°F57°F24%14%11 h 20 min
October 1980°F56°F24%14%11 h 20 min
October 2079°F56°F23%14%11 h 20 min
October 2179°F55°F23%14%11 h 20 min
October 2279°F55°F24%14%11 h 20 min
October 2378°F54°F24%14%11 h 20 min
October 2478°F54°F24%14%11 h 10 min
October 2578°F53°F24%14%11 h 10 min
October 2677°F53°F24%14%11 h 10 min
October 2777°F53°F24%14%11 h 10 min
October 2877°F52°F24%14%11 h 10 min
October 2976°F52°F24%14%11 h
October 3076°F51°F24%14%11 h
October 3176°F51°F24%14%11 h
Normal high
81°FOctober average
Normal low
57°FOctober average
Precipitation
3.72 inmonth total
Days with precipitation
70.01 inch or more
Days at 90°F or more
1
Daylight
11 h 50 min to 11 hOctober 1 to October 31
Days at 70°F or more
29
Days at 80°F or more
20
Sunshine
84%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00053865; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Slidell in October?

On a given October day the chance of 0.01 inch or more is 24% on average, highest around October 1 (26%). In all, 3.72 in falls on 7 days of a normal October, 1 of them with an inch or more.

In a normal October in Slidell, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053865.

What are the records for October in Slidell?

The warmest October temperature on this station's record (since 1994) is 97°F, on October 4, 2019; the coldest is 31°F, on October 19, 2022. The wettest October brought 11.08 in (2007).

The October mean against the 1991-2020 normal of 68.9°F: 2021 72.9°F (+4.0), 2022 66.7°F (−2.2), 2023 68.9°F (at normal), 2024 71.7°F (+2.8), 2025 70.0°F (+1.1). 3 of 5 ran warmer than normal.

Slidell: October in recent years against the 1991-2020 normal
OctoberMeanAgainst normalPrecip.
202172.9°F+4.0°F1.39 in
202266.7°F−2.2°F0.72 in
202368.9°Fat normal1.84 in
202471.7°F+2.8°F3.36 in
202570.0°F+1.1°F2.92 in

Source: records: ACIS, station USW00053865; recent months: ACIS, station USW00053865. Records and recent months use complete months only.

How does October in Slidell compare across Louisiana?

Across the 65 places PlainClimate covers in Louisiana, October normal highs run from 76°F in Boyce to 82°F in Lake Charles; Slidell's is 81°F.

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

Other months and places