Harman US

May, TX Weather & Growing Conditions

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

Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph.

7-day forecast for May

WhenTempForecastWindPrecip
Tonight 72°F Partly Cloudy 5 to 10 mph SSE 0%
Saturday 97°F Sunny 5 to 10 mph SSW 0%
Saturday Night 72°F Mostly Clear 5 to 10 mph S 2%
Sunday 97°F Mostly Sunny 5 to 10 mph SSW 14%
Sunday Night 69°F Chance Showers And Thunderstorms 5 mph S 50%
Monday 95°F Chance Rain Showers then Chance Showers And Thunderstorms 5 mph SSE 39%
Monday Night 69°F Chance Showers And Thunderstorms 5 mph E 27%
Tuesday 91°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 10 mph ENE 24%
Tuesday Night 67°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph ENE 24%
Wednesday 91°F Mostly Sunny 5 to 10 mph ENE 12%
Wednesday Night 68°F Partly Cloudy 5 to 10 mph E 7%
Thursday 92°F Mostly Sunny 5 to 10 mph ESE 6%
Thursday Night 68°F Partly Cloudy 5 to 10 mph ESE 6%
Friday 91°F Mostly Sunny 5 to 10 mph ESE 7%

Forecast source: National Weather Service (api.weather.gov) for May (31.980, -98.925). Updated through the day.

Growing snapshot for May

Last spring frost
Mar 26
First fall frost
Nov 10
Growing season
230 days
Hardiness zone
8a

More local growing data for May: nearby ZIP 76857 weather · frost dates · planting calendar · Texas frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Rising Star 1S, Tx (10.6 mi from May). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.