Hilltop, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hilltop, a community in Starr County, Texas.
Tonight
64°F
Partly Cloudy
Partly cloudy, with a low around 64. North wind around 3 mph.
7-day forecast for Hilltop
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Partly Cloudy | 3 mph N | 2% |
| Wednesday | 85°F | Sunny | 3 mph NE | 1% |
| Wednesday Night | 67°F | Partly Cloudy | 0 to 3 mph E | 1% |
| Thursday | 90°F | Mostly Sunny | 5 mph SSE | 1% |
| Thursday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 1 to 7 mph N | 54% |
| Friday | 82°F | Chance Showers And Thunderstorms then Partly Sunny | 5 to 9 mph N | 27% |
| Friday Night | 63°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 3 mph N | 18% |
| Saturday | 78°F | Chance Rain Showers | 3 to 7 mph N | 30% |
| Saturday Night | 60°F | Slight Chance Rain Showers | 2 to 7 mph N | 23% |
| Sunday | 76°F | Slight Chance Rain Showers then Partly Sunny | 5 to 9 mph N | 15% |
| Sunday Night | 56°F | Partly Cloudy | 2 mph N | 12% |
| Monday | 79°F | Mostly Sunny | 3 mph NE | 4% |
| Monday Night | 57°F | Partly Cloudy | 1 mph E | 2% |
| Tuesday | 82°F | Mostly Sunny | 1 to 5 mph ESE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Hilltop (26.404, -98.921). Updated through the day.
Growing snapshot for Hilltop
Last spring frost
Jan 9
First fall frost
Jan 1
Growing season
363 days
Hardiness zone
9b
More local growing data for Hilltop: 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 Hilltop). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.