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Hilltop, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hilltop, a community in Frio County, Texas.

Today
101°F
Mostly Sunny
Mostly sunny, with a high near 101. Heat index values as high as 107. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Hilltop

WhenTempForecastWindPrecip
Today 101°F Mostly Sunny 5 to 15 mph SE 5%
Tonight 77°F Mostly Clear 10 to 15 mph SE 5%
Wednesday 102°F Mostly Sunny 10 mph SE 2%
Wednesday Night 77°F Mostly Clear 10 to 15 mph SE 2%
Thursday 101°F Sunny 5 to 10 mph SE 1%
Thursday Night 77°F Mostly Clear 5 to 15 mph SE 1%
Friday 100°F Mostly Sunny 5 to 10 mph SE 3%
Friday Night 76°F Mostly Clear 5 to 15 mph SE 3%
Saturday 99°F Sunny 5 to 10 mph ESE 1%
Saturday Night 76°F Mostly Clear 5 to 10 mph SE 1%
Sunday 99°F Sunny 5 to 10 mph ESE 1%
Sunday Night 76°F Mostly Clear 10 to 15 mph SE 1%
Monday 100°F Mostly Sunny 5 to 15 mph SE 3%
Monday Night 77°F Mostly Clear 10 to 15 mph SE 3%

Forecast source: National Weather Service (api.weather.gov) for Hilltop (28.694, -99.176). Updated through the day.

Growing snapshot for Hilltop

Last spring frost
Feb 16
First fall frost
Dec 6
Growing season
296 days
Hardiness zone
9a

More local growing data for Hilltop: nearby ZIP 78017 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Dilley, Tx (4.5 mi from Hilltop). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.