Whitesboro, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitesboro, a city in Grayson County, Texas.
Overnight
74°F
Mostly Clear
Mostly clear. Low around 74, with temperatures rising to around 76 overnight. South wind around 5 mph.
7-day forecast for Whitesboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 5 mph S | 0% |
| Saturday | 98°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Sunday | 98°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph S | 34% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 5 mph SSE | 51% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 51% |
| Monday Night | 68°F | Partly Cloudy | 5 to 10 mph NNE | 12% |
| Tuesday | 87°F | Mostly Sunny | 10 mph NNE | 14% |
| Tuesday Night | 64°F | Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Wednesday | 88°F | Mostly Sunny | 5 to 10 mph ENE | 10% |
| Wednesday Night | 66°F | Partly Cloudy | 5 mph ENE | 5% |
| Thursday | 89°F | Mostly Sunny | 5 mph ESE | 6% |
| Thursday Night | 67°F | Partly Cloudy | 5 mph E | 3% |
| Friday | 90°F | Mostly Sunny | 5 mph ESE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Whitesboro (33.660, -96.904). Updated through the day.
Growing snapshot for Whitesboro
Last spring frost
Mar 19
First fall frost
Nov 14
Growing season
242 days
Hardiness zone
8a
More local growing data for Whitesboro: nearby ZIP 76273 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
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Lake Kiowa
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Sadler
Sherman
Sherwood Shores
Southmayd
Tioga
Tom Bean
Van Alstyne
Whitewright
Climate data from the nearest NOAA station, Gainesville 5 Ene, Tx (9.8 mi from Whitesboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.