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Mcallen, TX Weather Tomorrow

See what tomorrow's weather has in store for Mcallen with a reliable 5 day forecast featuring precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Mcallen area and around Hidalgo county, Texas.
Updated: Wed Aug 26th 2026 6:30 PM CDT
Mcallen, TX Weather – 8-26 – Sunny
105° / 80°
Sunny
Mcallen is set for sunshine with temperatures peaking at 105°F and dipping to 80°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 20mph on average and gusts of 26.4mph at 7 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 70% at 11 PM and 43% being its lowest at 7 PM. Barometric pressure is its highest of 29.93inHg at 11 PM, a lowest point of 29.86inHg at 7 PM with an avg 29.9inHg.
Mcallen, TX Weather – 8-27 – Sunny
103° / 79°

Weather Tomorrow

Sunny
In Mcallen, bright and sunny conditions with highs near 103°F and lows around 79°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 20mph on average and gusts of 26.6mph at 7 PM. Humidity levels should be comfortable, sitting around 53% on average, the maximum being 80% at 7 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 29.95inHg at 9 AM, a lowest point of 29.79inHg at 6 PM with an avg 29.89inHg.
Mcallen, TX Weather – 8-28 – Sunny
103° / 79°
Sunny
It will be sunny in Mcallen, with a high of 103°F and a low of 79°F. There's a very small chance of rainfall, only about 2%. Winds will be strong at speeds peaking at 22mph and gusts of 28.2mph at 7 PM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 81% at 7 AM and 23% being its lowest at 4 PM. Barometric pressure is its highest of 29.97inHg at 10 AM, a lowest point of 29.82inHg at 6 PM with an avg 29.9inHg.
Mcallen, TX Weather – 8-29 – Sunny
101° / 80°
Sunny
Bright and sunny conditions in Mcallen, with a high of 101°F and a low of 80°F. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be strong at speeds peaking at 24mph and gusts of 30.4mph at 4 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 85% at 7 AM and 29% being its lowest at 3 PM. Barometric pressure is its highest of 29.99inHg at 10 AM, a lowest point of 29.85inHg at 8 PM with an avg 29.92inHg.
Mcallen, TX Weather – 8-30 – Sunny
101° / 80°
Sunny
Sunshine is in the forecast for Mcallen, with a high of 101°F and a low of 80°F. There's a very small chance of rainfall, only about 4%. Winds will be strong at speeds peaking at 22mph and gusts of 32.9mph at 6 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 84% at 7 AM and 29% being its lowest at 3 PM. Barometric pressure is its highest of 29.97inHg at 11 AM, a lowest point of 29.79inHg at 5 PM with an avg 29.9inHg.
Mcallen, TX Weather – 8-31 – Sunny
100° / 81°
Sunny
Daytime highs will reach 100°F with lows dropping to 81°F in Mcallen, where bright and sunny conditions. There's a very small chance of rainfall, only about 3%. Winds will be strong at speeds peaking at 21mph and gusts of 29.8mph at 1 AM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 83% at 7 AM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 10 PM, a lowest point of 29.85inHg at 5 PM with an avg 29.9inHg.

Currently

Sunny 95°F
29.86 inHg.
Barometer
43%
Humidity
ESE 32 mph
Wind
Sunny

5 Day Forecast Nearby

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