Fronton, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fronton, a community in Starr County, Texas.
This Afternoon
84°F
Sunny
Sunny, with a high near 84. East wind around 3 mph.
7-day forecast for Fronton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Sunny | 3 mph E | 0% |
| Tonight | 67°F | Partly Cloudy | 5 mph ESE | 3% |
| Thursday | 89°F | Mostly Sunny | 3 mph ESE | 7% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely | 0 to 6 mph NNE | 74% |
| Friday | 80°F | Chance Rain Showers then Partly Sunny | 5 to 12 mph NNW | 46% |
| Friday Night | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 3 mph N | 19% |
| Saturday | 78°F | Mostly Cloudy then Chance Rain Showers | 6 mph N | 25% |
| Saturday Night | 60°F | Rain Showers Likely | 2 to 12 mph N | 70% |
| Sunday | 71°F | Chance Showers And Thunderstorms | 8 to 12 mph NNW | 50% |
| Sunday Night | 56°F | Chance Rain Showers | 2 to 7 mph NNW | 32% |
| Monday | 71°F | Slight Chance Rain Showers then Partly Sunny | 1 to 7 mph NNW | 15% |
| Monday Night | 56°F | Slight Chance Rain Showers | 0 mph | 15% |
| Tuesday | 75°F | Mostly Sunny | 2 mph N | 4% |
| Tuesday Night | 58°F | Partly Cloudy | 0 mph | 10% |
Forecast source: National Weather Service (api.weather.gov) for Fronton (26.426, -99.076). Updated through the day.
Growing snapshot for Fronton
Last spring frost
Jan 9
First fall frost
Jan 1
Growing season
363 days
Hardiness zone
9b
More local growing data for Fronton: nearby ZIP 78585 weather · frost dates · planting calendar · Texas frost dates
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Falcon Heights
Climate data from the nearest NOAA station, Falcon Dam, Tx (6.2 mi from Fronton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.