Wylie, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wylie, a city in Collin County, Texas.
Tonight
75°F
Clear
Clear. Low around 75, with temperatures rising to around 77 overnight. Heat index values as high as 99. South wind 5 to 10 mph.
7-day forecast for Wylie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Clear | 5 to 10 mph S | 0% |
| Saturday | 99°F | Sunny | 10 mph S | 0% |
| Saturday Night | 75°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 97°F | Mostly Sunny | 5 to 10 mph S | 7% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms | 5 mph S | 43% |
| Monday | 93°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SW | 43% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NE | 19% |
| Tuesday | 92°F | Mostly Sunny | 5 to 10 mph NNE | 12% |
| Tuesday Night | 72°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 92°F | Mostly Sunny | 10 mph ENE | 8% |
| Wednesday Night | 72°F | Partly Cloudy | 5 mph ENE | 4% |
| Thursday | 92°F | Mostly Sunny | 5 to 10 mph ENE | 5% |
| Thursday Night | 71°F | Partly Cloudy | 5 mph ENE | 5% |
| Friday | 91°F | Mostly Sunny | 5 to 10 mph E | 6% |
Forecast source: National Weather Service (api.weather.gov) for Wylie (33.036, -96.520). Updated through the day.
Growing snapshot for Wylie
Last spring frost
Mar 10
First fall frost
Nov 19
Growing season
254 days
Hardiness zone
8b
More local growing data for Wylie: nearby ZIP 75098 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Lavon Dam, Tx (3.2 mi from Wylie). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.