Mercedes Weather Forecast
- 67
- 96
Increasing Clouds
- 65
- 101
Hot
- 57
- 90
Sunny
- 54
- 85
Sunny
- 60
- 84
Mostly Sunny
- 66
- 85
Mostly Sunny
Today 13 Mar Southern Hidalgo
Partly sunny this Morning, then clearing. Patchy fog this morning. Highs in the upper 90s. Southwest Winds around 5 Mph, becoming east this afternoon.
Tonight 13 Mar Southern Hidalgo
Clear in the Evening, then becoming mostly cloudy. Lows in the mid 60s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph.
Mercedes Temperature Statistics
March Temperature
Harlingen, Rio Grande Valley International Airport (16.8 miles)
Lowest 10 March, 2025
46 °FAverage March
70 °FHighest 8 March, 2025
98.1 °F
Climate (2020–Present)
Harlingen, Rio Grande Valley International Airport (16.8 miles)
Average Low 2020–2025
65.5 °FAverage 2020–2025
75.1 °FAverage High 2020–2025
85.9 °F