🇺🇸 Weather in McAllen
Map Overlays:
Hourly Forecast for McAllen
23:00
27°
3%
00:00
27°
3%
01:00
26°
3%
02:00
26°
4%
03:00
26°
4%
04:00
25°
4%
05:00
25°
5%
06:00
25°
8%
07:00
25°
8%
08:00
26°
6%
09:00
28°
4%
10:00
30°
3%
11:00
32°
1%
12:00
34°
1%
13:00
35°
2%
14:00
36°
1%
15:00
35°
73%
16:00
34°
1%
17:00
34°
73%
18:00
32°
2%
19:00
31°
4%
20:00
30°
73%
21:00
29°
5%
22:00
28°
73%
14-Day Forecast for McAllen
2026-06-04
Patchy rain nearby
35° /
26°
2026-06-05
Patchy rain nearby
37° /
25°
2026-06-06
Sunny
38° /
26°
2026-06-07
Partly Cloudy
38° /
26°
2026-06-08
Partly Cloudy
37° /
26°
2026-06-09
Partly Cloudy
37° /
25°
2026-06-10
Partly Cloudy
37° /
25°
Additional Forecasts for McAllen
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 149.0 μg/m³
O₃ (Ozone) 36.0 μg/m³
NO₂ (Nitrogen Dioxide) 8.0 μg/m³
SO₂ (Sulphur Dioxide) 1.9 μg/m³
PM2.5 (Fine particles) 6.3 μg/m³
PM10 (Coarse particles) 8.6 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in McAllen — FAQ
Answers refreshed each request based on current conditions in McAllen.
What is the weather like right now in McAllen?
Right now in McAllen, United States the temperature is 28.3°C (feels like 32.2°C), with cloudy. Relative humidity is 74% and wind is 21.2 km/h.
What is today's high and low temperature in McAllen?
Today's forecast high in McAllen is 35.0°C and the overnight low is 25.5°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in McAllen today?
The chance of precipitation in McAllen today is 73%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in McAllen differ from nearby cities?
Even short distances can change temperatures noticeably. McAllen's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.