Helena Weather Forecast
- 76
- 103
Hot
- 76
- 102
Hot
- 75
- 100
Chance Thunderstorms
- 74
- 99
Hot
- 74
- 99
Hot
- 75
- 99
Hot
Today 26 Aug Karnes
Mostly sunny. Hot with Highs around 103. South Winds 5 to 10 Mph.
Tonight 26 Aug Karnes
Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Highest heat index Readings up to 106 early in the evening.
Helena Temperature Statistics
August Temperature
Beeville Municipal Airport (40.4 miles)
Lowest 16 August, 2026
71.6 °FAverage August
85.3 °FHighest 22 August, 2026
103.5 °F
Climate (2021–2026)
Beeville Municipal Airport (40.4 miles)
Average Low 2021–2026
61.6 °FAverage 2021–2026
71.2 °FAverage High 2021–2026
82.9 °F