Melissa, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Melissa, a city in Collin County, Texas.
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 101. South southeast wind 5 to 10 mph.
7-day forecast for Melissa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 5 to 10 mph SSE | 2% |
| Tonight | 76°F | Mostly Clear | 5 to 10 mph SSE | 1% |
| Wednesday | 100°F | Sunny | 5 to 10 mph SSW | 1% |
| Wednesday Night | 78°F | Mostly Clear | 10 mph SSE | 0% |
| Thursday | 98°F | Sunny | 10 mph S | 2% |
| Thursday Night | 77°F | Mostly Clear | 10 mph SSE | 2% |
| Friday | 99°F | Sunny | 5 to 10 mph S | 10% |
| Friday Night | 77°F | Mostly Clear | 5 to 10 mph SSE | 10% |
| Saturday | 96°F | Sunny | 5 to 10 mph S | 8% |
| Saturday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 8% |
| Sunday | 96°F | Sunny | 5 to 10 mph S | 4% |
| Sunday Night | 77°F | Mostly Clear | 10 mph SSE | 4% |
| Monday | 96°F | Sunny | 10 to 15 mph S | 4% |
| Monday Night | 77°F | Mostly Clear | 10 to 15 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Melissa (33.289, -96.558). Updated through the day.
Growing snapshot for Melissa
Last spring frost
Mar 17
First fall frost
Nov 15
Growing season
241 days
Hardiness zone
8b
More local growing data for Melissa: nearby ZIP 75454 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Mckinney Municipal Airport, Tx (6.6 mi from Melissa). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.