Melissa, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Melissa, a city in Collin County, Texas.
Today
97°F
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 101. South wind 10 to 15 mph.
7-day forecast for Melissa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Mostly Sunny | 10 to 15 mph S | 0% |
| Tonight | 75°F | Mostly Clear | 10 to 15 mph SSE | 0% |
| Sunday | 98°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph S | 19% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms | 5 mph SSE | 48% |
| Monday | 94°F | Chance Showers And Thunderstorms | 5 mph WSW | 48% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NNE | 16% |
| Tuesday | 90°F | Mostly Sunny | 10 mph NNE | 12% |
| Tuesday Night | 67°F | Partly Cloudy | 10 mph NE | 9% |
| Wednesday | 90°F | Mostly Sunny | 10 mph ENE | 10% |
| Wednesday Night | 68°F | Partly Cloudy | 5 mph ENE | 2% |
| Thursday | 90°F | Mostly Sunny | 5 mph E | 5% |
| Thursday Night | 68°F | Partly Cloudy | 5 mph E | 1% |
| Friday | 90°F | Mostly Sunny | 5 mph E | 4% |
| Friday Night | 68°F | Partly Cloudy | 5 mph E | 3% |
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 Sep 19, 2026.