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Falcon Heights, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Falcon Heights, a community in Starr County, Texas.

Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 107. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.

7-day forecast for Falcon Heights

WhenTempForecastWindPrecip
Today 103°F Sunny 9 to 13 mph SE 2%
Tonight 78°F Partly Cloudy 9 to 13 mph SE 5%
Wednesday 103°F Mostly Sunny 12 mph SE 2%
Wednesday Night 78°F Mostly Clear 8 to 12 mph SE 0%
Thursday 103°F Sunny 8 to 12 mph SE 2%
Thursday Night 78°F Mostly Clear 8 to 13 mph SE 2%
Friday 102°F Sunny 9 mph SE 2%
Friday Night 77°F Mostly Clear 6 to 12 mph SE 2%
Saturday 102°F Sunny 5 to 8 mph SE 1%
Saturday Night 77°F Mostly Clear 5 to 10 mph SE 1%
Sunday 102°F Sunny 5 to 9 mph SE 2%
Sunday Night 78°F Mostly Clear 12 mph SE 2%
Monday 103°F Sunny 8 to 13 mph SE 2%
Monday Night 78°F Mostly Clear 15 mph SE 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 Aug 4, 2026.