Decatur weather in October: Decatur, Alabama: normal highs, lows, rain and records for October
Decatur in October has a normal high of 75°F and a normal low of 50°F, a daily mean of 62°F, falling from 80°F on the 1st to 68°F by the 31st. Measurable precipitation falls on 9 days in a normal October, 3.23 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 10°C, 82 mm of precipitation in October.
- NOAA stationDecatur Pryor Field
- Station IDUSW00053852
- Location34.65°N 86.95°W
- Elevation592 ft (180 m)
- Population57,974
- Jan 51° 32°
- Feb 55° 35°
- Mar 64° 42°
- Apr 73° 50°
- May 81° 59°
- Jun 88° 67°
- Jul 90° 70°
- Aug 90° 68°
- Sep 85° 61°
- Oct 75° 50°
- Nov 62° 39°
- Dec 54° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Decatur in October?
The normal high is 75°F and the normal low 50°F, for a daily mean of 62.0°F. October is 11.1°F cooler than September and 11.2°F warmer than November. October is the 6th warmest month of the year in Decatur and the 10th wettest. Across the month the normal high falls 12°F, from 80°F on October 1 to 68°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 60°F and 64°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 80°F | 56°F | 28% | 13% |
| October 8 | 78°F | 53°F | 29% | 14% |
| October 15 | 75°F | 50°F | 29% | 15% |
| October 22 | 72°F | 47°F | 29% | 16% |
| October 31 | 68°F | 43°F | 30% | 17% |
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 | 80°F | 56°F | 28% | 13% | 11 h 50 min |
| October 2 | 80°F | 55°F | 28% | 13% | 11 h 50 min |
| October 3 | 80°F | 55°F | 28% | 14% | 11 h 50 min |
| October 4 | 79°F | 55°F | 28% | 14% | 11 h 50 min |
| October 5 | 79°F | 54°F | 28% | 14% | 11 h 40 min |
| October 6 | 79°F | 54°F | 28% | 14% | 11 h 40 min |
| October 7 | 78°F | 53°F | 29% | 14% | 11 h 40 min |
| October 8 | 78°F | 53°F | 29% | 14% | 11 h 40 min |
| October 9 | 77°F | 53°F | 29% | 15% | 11 h 40 min |
| October 10 | 77°F | 52°F | 29% | 15% | 11 h 30 min |
| October 11 | 77°F | 52°F | 29% | 15% | 11 h 30 min |
| October 12 | 76°F | 51°F | 29% | 15% | 11 h 30 min |
| October 13 | 76°F | 51°F | 29% | 15% | 11 h 30 min |
| October 14 | 75°F | 50°F | 29% | 15% | 11 h 20 min |
| October 15 | 75°F | 50°F | 29% | 15% | 11 h 20 min |
| October 16 | 75°F | 49°F | 29% | 15% | 11 h 20 min |
| October 17 | 74°F | 49°F | 29% | 15% | 11 h 20 min |
| October 18 | 74°F | 49°F | 29% | 15% | 11 h 20 min |
| October 19 | 73°F | 48°F | 29% | 15% | 11 h 10 min |
| October 20 | 73°F | 48°F | 29% | 16% | 11 h 10 min |
| October 21 | 73°F | 47°F | 29% | 16% | 11 h 10 min |
| October 22 | 72°F | 47°F | 29% | 16% | 11 h 10 min |
| October 23 | 72°F | 47°F | 29% | 16% | 11 h 10 min |
| October 24 | 71°F | 46°F | 29% | 16% | 11 h |
| October 25 | 71°F | 46°F | 29% | 16% | 11 h |
| October 26 | 70°F | 45°F | 29% | 16% | 11 h |
| October 27 | 70°F | 45°F | 29% | 16% | 11 h |
| October 28 | 70°F | 45°F | 29% | 16% | 11 h |
| October 29 | 69°F | 44°F | 29% | 17% | 10 h 50 min |
| October 30 | 69°F | 44°F | 30% | 17% | 10 h 50 min |
| October 31 | 68°F | 43°F | 30% | 17% | 10 h 50 min |
- Normal high
- 75°FOctober average
- Normal low
- 50°FOctober average
- Precipitation
- 3.23 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 1
- Daylight
- 11 h 50 min to 10 h 50 minOctober 1 to October 31
- Days at 70°F or more
- 22
- Days at 80°F or more
- 12
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053852; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Decatur in October?
On a given October day the chance of 0.01 inch or more is 29% on average, highest around October 31 (30%). In all, 3.23 in falls on 9 days of a normal October, 1 of them with an inch or more.
In a normal October in Decatur, 1 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053852.
What are the records for October in Decatur?
The October mean against the 1991-2020 normal of 62.0°F: 2021 65.0°F (+3.0), 2022 58.1°F (−3.9), 2023 63.9°F (+1.9), 2024 65.6°F (+3.6), 2025 63.9°F (+1.9). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 65.0°F | +3.0°F | 3.06 in |
| 2022 | 58.1°F | −3.9°F | 2.57 in |
| 2023 | 63.9°F | +1.9°F | 0.41 in |
| 2024 | 65.6°F | +3.6°F | 0.59 in |
| 2025 | 63.9°F | +1.9°F | 2.84 in |
Source: recent months: ACIS, station USW00053852. Records and recent months use complete months only.
How does October in Decatur compare across Alabama?
Across the 80 places PlainClimate covers in Alabama, October normal highs run from 72°F in Bridgeport to 82°F in Eufaula; Decatur's is 75°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.