Prosper, TX Weather & Growing Conditions
Today
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 69 in the afternoon. Northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Tonight | 53°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Thursday | 76°F | Sunny | 5 to 10 mph S | 0% |
| Thursday Night | 52°F | Partly Cloudy | 5 to 10 mph N | 4% |
| Friday | 69°F | Sunny | 10 mph N | 1% |
| Friday Night | 47°F | Partly Cloudy | 5 to 10 mph NNE | 0% |
| Saturday | 66°F | Partly Sunny | 5 mph NNE | 2% |
| Saturday Night | 46°F | Slight Chance Rain Showers | 5 mph NNE | 15% |
| Sunday | 67°F | Mostly Sunny | 5 mph N | 3% |
| Sunday Night | 45°F | Mostly Clear | 0 mph | 1% |
| Monday | 69°F | Sunny | 0 to 5 mph SSW | 2% |
| Monday Night | 47°F | Mostly Clear | 0 to 5 mph S | 2% |
| Tuesday | 72°F | Sunny | 0 to 5 mph S | 2% |
| Tuesday Night | 51°F | Partly Cloudy | 5 mph SSE | 3% |
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.