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Willis, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Willis, a city in Montgomery County, Texas.

Tonight
71°F
Clear then Patchy Fog
Patchy fog after 5am. Clear, with a low around 71. Southeast wind 0 to 5 mph.

7-day forecast for Willis

WhenTempForecastWindPrecip
Tonight 71°F Clear then Patchy Fog 0 to 5 mph SE 0%
Saturday 95°F Patchy Fog then Sunny 0 to 5 mph SE 0%
Saturday Night 72°F Mostly Clear 0 to 5 mph SE 0%
Sunday 95°F Sunny 0 to 5 mph SE 5%
Sunday Night 75°F Partly Cloudy 0 to 5 mph S 5%
Monday 95°F Mostly Sunny 0 to 5 mph S 6%
Monday Night 75°F Mostly Clear 0 to 5 mph S 6%
Tuesday 96°F Sunny 0 to 5 mph NE 11%
Tuesday Night 75°F Partly Cloudy 0 to 5 mph NE 7%
Wednesday 95°F Mostly Sunny 5 to 10 mph NE 4%
Wednesday Night 74°F Partly Cloudy 0 to 5 mph E 4%
Thursday 93°F Mostly Sunny 5 to 10 mph NE 3%
Thursday Night 72°F Partly Cloudy 0 to 5 mph NE 3%
Friday 91°F Mostly Sunny 5 to 10 mph NE 2%

Forecast source: National Weather Service (api.weather.gov) for Willis (30.434, -95.484). Updated through the day.

Growing snapshot for Willis

Last spring frost
Feb 24
First fall frost
Dec 2
Growing season
285 days
Hardiness zone
9a

More local growing data for Willis: nearby ZIP 77318 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Conroe, Tx (8.9 mi from Willis). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.