Marathon Weather Forecast
- 67
- 90
Chance Thunderstorms
- 68
- 94
Slight Chance Thunderstorms
- 67
- 95
Mostly Sunny
- 66
- 93
Mostly Sunny
- 66
- 88
Partly Sunny
- 66
- 90
Slight Chance Thunderstorms
Today 23 Jul Central Brewster County
Partly cloudy in the Morning, then sunny with a slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 23 Jul Central Brewster County
Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 60s. West Winds around 5 Mph. Chance of rain 20 percent.
Marathon Temperature Statistics
July Temperature
Alpine, Alpine-Casparis Municipal Airport (28.6 miles)
Lowest 14 July, 2025
61.3 °FAverage July
77 °FHighest 5 July, 2025
94.6 °F
Climate (2020–Present)
Alpine, Alpine-Casparis Municipal Airport (28.6 miles)
Average Low 2020–2025
51.4 °FAverage 2020–2025
64.6 °FAverage High 2020–2025
77.7 °F