Prosper, TX Weather & Growing Conditions
Tonight
51°F
Mostly Clear
Mostly clear. Low around 51, with temperatures rising to around 53 overnight. Northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 71°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 52°F | Partly Cloudy then Patchy Fog | 0 to 5 mph SSE | 0% |
| Thursday | 76°F | Mostly Sunny | 5 to 10 mph SSW | 12% |
| Thursday Night | 50°F | Partly Cloudy | 5 to 10 mph NNW | 13% |
| Friday | 70°F | Sunny | 10 mph N | 0% |
| Friday Night | 46°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph N | 4% |
| Sunday | 70°F | Sunny | 5 mph NNW | 3% |
| Sunday Night | 45°F | Clear | 0 to 5 mph ESE | 1% |
| Monday | 71°F | Sunny | 0 to 5 mph SSW | 1% |
| Monday Night | 48°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 74°F | Sunny | 5 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Prosper, TX
Last spring frost
Mar 17
First fall frost
Nov 15
Growing season
241 days
Hardiness zone
8b
Explore more for Prosper, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Mckinney Municipal Airport, Tx (13.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.