Mercedes Weather Forecast
- 65
- 102
Hot
- 57
- 90
Sunny
- 52
- 85
Sunny
- 61
- 85
Mostly Sunny
- 65
- 85
Breezy
- 58
- 93
Partly Sunny
Today 14 Mar Southern Hidalgo
Mostly sunny. Hot with Highs around 102. South Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west 5 to 10 Mph in the afternoon.
Tonight 14 Mar Southern Hidalgo
Mostly clear. Lows in the mid 60s. Southeast Winds 10 to 15 Mph, becoming south after midnight. 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
69.6 °FHighest 8 March, 2025
98.1 °F
Climate (2020–Present)
Harlingen, Rio Grande Valley International Airport (16.8 miles)
Average Low 2020–2025
65.4 °FAverage 2020–2025
75.1 °FAverage High 2020–2025
85.9 °F