Harman US

Bonham, TX Weather & Growing Conditions

Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 99. South wind 5 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 98°F Sunny 5 to 10 mph S 0%
Tonight 77°F Mostly Clear 5 to 10 mph SSE 0%
Wednesday 101°F Sunny 5 to 10 mph SSW 0%
Wednesday Night 78°F Mostly Clear 5 to 10 mph SSE 0%
Thursday 98°F Sunny 5 to 10 mph SSW 3%
Thursday Night 77°F Mostly Clear 5 to 10 mph SSE 3%
Friday 97°F Sunny 5 to 10 mph S 13%
Friday Night 76°F Mostly Clear 5 to 10 mph SSE 13%
Saturday 97°F Sunny 5 to 10 mph S 10%
Saturday Night 76°F Mostly Clear 5 to 10 mph SSE 10%
Sunday 97°F Sunny 5 to 10 mph S 5%
Sunday Night 76°F Mostly Clear 5 to 10 mph SSE 5%
Monday 97°F Sunny 10 mph S 3%
Monday Night 77°F Mostly Clear 10 mph S 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Bonham, TX

Last spring frost
Mar 16
First fall frost
Nov 13
Growing season
242 days
Hardiness zone
8a

Explore more for Bonham, TX: full frost dates · planting calendar · Texas frost dates

Climate data from the nearest NOAA station, Bonham 3Nne, Tx (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.