McAllen, TX Weather & Growing Conditions
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 107. East wind 6 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 6 to 10 mph E | 10% |
| Tonight | 77°F | Mostly Clear | 2 to 13 mph ESE | 3% |
| Sunday | 100°F | Mostly Sunny | 1 to 9 mph ESE | 4% |
| Sunday Night | 78°F | Partly Cloudy | 2 to 13 mph ESE | 0% |
| Monday | 100°F | Sunny then Chance Showers And Thunderstorms | 1 to 12 mph ESE | 31% |
| Monday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 1 to 13 mph ESE | 31% |
| Tuesday | 98°F | Sunny then Chance Showers And Thunderstorms | 1 to 12 mph E | 46% |
| Tuesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph ENE | 46% |
| Wednesday | 97°F | Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 13 mph NE | 53% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 0 to 13 mph NE | 53% |
| Thursday | 96°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 10 mph ENE | 49% |
| Thursday Night | 78°F | Chance Showers And Thunderstorms | 0 to 12 mph ENE | 49% |
| Friday | 95°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 12 mph NE | 48% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 1 to 12 mph ENE | 48% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McAllen, TX
Last spring frost
Jan 9
First fall frost
Jan 3
Growing season
365 days
Hardiness zone
10a
Explore more for McAllen, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Mcallen Miller Intl Ap, Tx (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.