McAllen weather in October: McAllen, Texas: normal highs, lows, rain and records for October
McAllen in October has a normal high of 89°F and a normal low of 69°F, a daily mean of 79°F, falling from 92°F on the 1st to 85°F by the 31st. Measurable precipitation falls on 6 days in a normal October, 2.10 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 20°C, 53 mm of precipitation in October.
- NOAA stationMcAllen Miller International Airport
- Station IDUSW00012959
- Location26.18°N 98.25°W
- Elevation100 ft (31 m)
- From the center3 miles
- Population148,782
- Jan 73° 53°
- Feb 77° 57°
- Mar 83° 63°
- Apr 88° 68°
- May 93° 74°
- Jun 97° 78°
- Jul 99° 79°
- Aug 100° 79°
- Sep 94° 76°
- Oct 89° 69°
- Nov 80° 60°
- Dec 74° 54°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is McAllen in October?
The normal high is 89°F and the normal low 69°F, for a daily mean of 79.0°F. October is 6.0°F cooler than September and 8.8°F warmer than November. October is the 6th warmest month of the year in McAllen and the 3rd wettest. Across the month the normal high falls 7°F, from 92°F on October 1 to 85°F on October 31. From one year to the next October's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 77°F and 81°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 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 92°F | 73°F | 22% | 14% |
| October 8 | 91°F | 71°F | 20% | 12% |
| October 15 | 90°F | 69°F | 19% | 10% |
| October 22 | 88°F | 67°F | 18% | 9% |
| October 31 | 85°F | 64°F | 18% | 9% |
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 | 92°F | 73°F | 22% | 14% | 12 h |
| October 2 | 92°F | 73°F | 22% | 14% | 11 h 50 min |
| October 3 | 92°F | 72°F | 22% | 13% | 11 h 50 min |
| October 4 | 92°F | 72°F | 21% | 13% | 11 h 50 min |
| October 5 | 92°F | 72°F | 21% | 13% | 11 h 50 min |
| October 6 | 92°F | 72°F | 21% | 13% | 11 h 50 min |
| October 7 | 91°F | 71°F | 21% | 12% | 11 h 50 min |
| October 8 | 91°F | 71°F | 20% | 12% | 11 h 50 min |
| October 9 | 91°F | 71°F | 20% | 12% | 11 h 40 min |
| October 10 | 91°F | 71°F | 20% | 12% | 11 h 40 min |
| October 11 | 91°F | 70°F | 20% | 11% | 11 h 40 min |
| October 12 | 91°F | 70°F | 19% | 11% | 11 h 40 min |
| October 13 | 90°F | 70°F | 19% | 11% | 11 h 40 min |
| October 14 | 90°F | 69°F | 19% | 11% | 11 h 40 min |
| October 15 | 90°F | 69°F | 19% | 10% | 11 h 30 min |
| October 16 | 90°F | 69°F | 19% | 10% | 11 h 30 min |
| October 17 | 89°F | 69°F | 19% | 10% | 11 h 30 min |
| October 18 | 89°F | 68°F | 18% | 10% | 11 h 30 min |
| October 19 | 89°F | 68°F | 18% | 10% | 11 h 30 min |
| October 20 | 89°F | 68°F | 18% | 10% | 11 h 30 min |
| October 21 | 88°F | 67°F | 18% | 10% | 11 h 30 min |
| October 22 | 88°F | 67°F | 18% | 9% | 11 h 20 min |
| October 23 | 88°F | 67°F | 18% | 9% | 11 h 20 min |
| October 24 | 88°F | 67°F | 18% | 9% | 11 h 20 min |
| October 25 | 87°F | 66°F | 18% | 9% | 11 h 20 min |
| October 26 | 87°F | 66°F | 18% | 9% | 11 h 20 min |
| October 27 | 87°F | 66°F | 18% | 9% | 11 h 20 min |
| October 28 | 86°F | 65°F | 18% | 9% | 11 h 20 min |
| October 29 | 86°F | 65°F | 18% | 9% | 11 h 10 min |
| October 30 | 86°F | 65°F | 18% | 9% | 11 h 10 min |
| October 31 | 85°F | 64°F | 18% | 9% | 11 h 10 min |
- Normal high
- 89°FOctober average
- Normal low
- 69°FOctober average
- Precipitation
- 2.10 inmonth total
- Days with precipitation
- 60.01 inch or more
- Days at 90°F or more
- 16
- Daylight
- 12 h to 11 h 10 minOctober 1 to October 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 28
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012959; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in McAllen in October?
On a given October day the chance of 0.01 inch or more is 19% on average, highest around October 1 (22%). In all, 2.10 in falls on 6 days of a normal October, 1 of them with an inch or more.
In a normal October in McAllen, 16 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012959.
How humid and windy is McAllen in October?
At 3 p.m. the normal temperature is 82°F with 44% relative humidity and a dew point of 59°F; at 6 a.m. it is 65°F with 84% humidity. The wind averages 9.3 mph, most often from the east-southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 65°F | 60°F | 84% | 6.6 mph | 70% |
| 9 a.m. | 71°F | 61°F | 71% | 9.6 mph | 65% |
| noon | 80°F | 60°F | 50% | 12.0 mph | 57% |
| 3 p.m. | 82°F | 59°F | 44% | 12.4 mph | 62% |
| 6 p.m. | 77°F | 60°F | 55% | 11.4 mph | 74% |
| 9 p.m. | 71°F | 62°F | 71% | 8.8 mph | 75% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012959. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for October in McAllen?
The warmest October temperature on McAllen's official record (since 1941) is 104°F, on October 18, 2012; the coldest is 41°F, on October 31, 1993. The wettest October brought 12.04 in (1958).
The October mean against the 1991-2020 normal of 79.0°F: 2021 80.5°F (+1.5), 2022 77.0°F (−2.0), 2023 77.7°F (−1.3), 2024 81.0°F (+2.0), 2025 82.5°F (+3.5). 3 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 80.5°F | +1.5°F | 0.29 in |
| 2022 | 77.0°F | −2.0°F | 0.38 in |
| 2023 | 77.7°F | −1.3°F | 1.24 in |
| 2024 | 81.0°F | +2.0°F | 0.49 in |
| 2025 | 82.5°F | +3.5°F | 0.41 in |
Source: records: ACIS, NWS threaded record MFEthr; recent months: ACIS, station USW00012959. Records and recent months use complete months only.
How does October in McAllen compare across Texas?
Across the 321 places PlainClimate covers in Texas, October normal highs run from 71°F in Channing to 89°F in McAllen; McAllen's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.