Los Fresnos Weather Forecast
- 80
- 99
Hot
- 79
- 98
Chance Thunderstorms
- 79
- 99
Chance Thunderstorms
- 80
- 100
Hot
- 81
- 99
Hot
- 80
- 99
Slight Chance Thunderstorms
- 80
- 99
Slight Chance Thunderstorms
Today 8 Sep Inland Cameron
Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Heat index Values up to 112.
Tonight 8 Sep Inland Cameron
Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows in the upper 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight. Heat index Values up to 107 early in the evening.
Los Fresnos Temperature Statistics
September Temperature
Port Isabel, Port Isabel-Cameron County Airport (9.9 miles)
Lowest 1 September, 2026
77.6 °FAverage September
88.2 °FHighest 2 September, 2026
99.6 °F
Climate (2021–2026)
Port Isabel, Port Isabel-Cameron County Airport (9.9 miles)
Average Low 2021–2026
68.8 °FAverage 2021–2026
76.3 °FAverage High 2021–2026
84.1 °F