Whitesboro, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitesboro, a city in Grayson County, Texas.
Overnight
48°F
Mostly Clear
Mostly clear. Low around 48, with temperatures rising to around 50 overnight. Northwest wind around 5 mph.
7-day forecast for Whitesboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Clear | 5 mph NW | 0% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 51°F | Partly Cloudy then Patchy Fog | 0 to 5 mph SE | 0% |
| Thursday | 75°F | Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 49°F | Mostly Cloudy | 5 to 10 mph N | 6% |
| Friday | 68°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 45°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 65°F | Partly Sunny | 5 mph NNE | 1% |
| Saturday Night | 43°F | Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Sunday | 67°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 43°F | Mostly Clear | 0 mph | 0% |
| Monday | 70°F | Sunny | 0 to 5 mph SW | 2% |
| Monday Night | 45°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 73°F | Sunny | 0 to 5 mph S | 3% |
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
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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 Nov 4, 2026.