Marathon, TX Weather & Growing Conditions
Overnight
66°F
Mostly Clear
Mostly clear. Low around 66, with temperatures rising to around 70 overnight. East wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Clear | 5 to 10 mph E | 2% |
| Saturday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SE | 30% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 46% |
| Sunday | 91°F | Chance Showers And Thunderstorms | 0 to 10 mph SW | 49% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 49% |
| Monday | 89°F | Sunny | 5 to 15 mph SE | 12% |
| Monday Night | 64°F | Partly Cloudy | 15 mph E | 12% |
| Tuesday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 to 20 mph E | 17% |
| Tuesday Night | 63°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 15 to 20 mph E | 17% |
| Wednesday | 84°F | Partly Sunny | 15 to 20 mph E | 11% |
| Wednesday Night | 63°F | Mostly Cloudy | 15 to 20 mph E | 12% |
| Thursday | 84°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 15 to 20 mph E | 15% |
| Thursday Night | 63°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 15 to 20 mph E | 15% |
| Friday | 85°F | Partly Sunny | 15 to 20 mph E | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marathon, TX
Last spring frost
Apr 7
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
8b
Explore more for Marathon, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Marathon, Tx (19.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.