Prosper, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prosper, a town in Collin County, Texas.
This Afternoon
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 70 in the afternoon. West wind 0 to 5 mph.
7-day forecast for Prosper
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 0 to 5 mph W | 0% |
| Tonight | 52°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Thursday | 76°F | Sunny | 5 to 10 mph S | 1% |
| Thursday Night | 52°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Friday | 68°F | Mostly Sunny | 10 to 15 mph N | 0% |
| Friday Night | 47°F | Mostly Cloudy | 5 to 10 mph NNE | 0% |
| Saturday | 66°F | Mostly Cloudy | 5 mph NNE | 1% |
| Saturday Night | 46°F | Mostly Cloudy | 5 mph NNE | 3% |
| Sunday | 65°F | Partly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 45°F | Partly Cloudy | 0 mph | 3% |
| Monday | 68°F | Sunny then Slight Chance Rain Showers | 0 mph | 15% |
| Monday Night | 47°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 72°F | Sunny | 0 to 5 mph SSW | 3% |
| Tuesday Night | 50°F | Mostly Clear | 0 to 5 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Prosper (33.241, -96.812). Updated through the day.
Growing snapshot for Prosper
Last spring frost
Mar 17
First fall frost
Nov 15
Growing season
241 days
Hardiness zone
8b
More local growing data for Prosper: nearby ZIP 75078 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Mckinney Municipal Airport, Tx (13.3 mi from Prosper). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.