Falcon Heights, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Falcon Heights, a community in Starr County, Texas.
This Afternoon
87°F
Sunny
Sunny. High near 87, with temperatures falling to around 83 in the afternoon. North wind around 9 mph.
7-day forecast for Falcon Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 87°F | Sunny | 9 mph N | 1% |
| Tonight | 63°F | Mostly Clear | 3 to 7 mph N | 1% |
| Wednesday | 84°F | Sunny | 2 mph NE | 1% |
| Wednesday Night | 66°F | Partly Cloudy | 0 to 5 mph E | 1% |
| Thursday | 88°F | Partly Sunny | 3 mph SSE | 2% |
| Thursday Night | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 1 to 9 mph NNW | 51% |
| Friday | 81°F | Mostly Sunny | 5 to 10 mph NNW | 14% |
| Friday Night | 62°F | Partly Cloudy | 0 to 3 mph N | 12% |
| Saturday | 77°F | Slight Chance Rain Showers | 3 to 7 mph N | 21% |
| Saturday Night | 59°F | Slight Chance Rain Showers | 3 to 8 mph N | 20% |
| Sunday | 75°F | Slight Chance Rain Showers then Mostly Sunny | 3 to 8 mph N | 15% |
| Sunday Night | 56°F | Partly Cloudy | 2 mph N | 9% |
| Monday | 78°F | Mostly Sunny | 2 mph NE | 3% |
| Monday Night | 57°F | Partly Cloudy | 1 mph ENE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Falcon Heights (26.560, -99.122). Updated through the day.
Growing snapshot for Falcon Heights
Last spring frost
Jan 9
First fall frost
Jan 1
Growing season
363 days
Hardiness zone
9b
More local growing data for Falcon Heights: nearby ZIP 78545 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Falcon Dam, Tx (1.9 mi from Falcon Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.