Harmaston Weather Forecast
- 70
- 88
Chance Thunderstorms
- 53
- 83
Mostly Sunny
- 68
- 86
Mostly Sunny
- 64
- 89
Mostly Sunny
- 61
- 81
Mostly Sunny
- 68
- 82
Mostly Sunny
Today 18 Oct Montgomery
Partly sunny. A chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 18 Oct Montgomery
Mostly clear. A chance of Thunderstorms with a slight chance of Showers in the evening. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Harmaston Temperature Statistics
October Temperature
Houston Intercontinental Airport (11.8 miles)
Lowest 11 October, 2025
62.1 °FAverage October
77.9 °FHighest 1 October, 2025
93.9 °F
Climate (2020–Present)
Houston Intercontinental Airport (11.8 miles)
Average Low 2020–2025
62.6 °FAverage 2020–2025
71.7 °FAverage High 2020–2025
81.9 °F