Cedar Park, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cedar Park, a city in Williamson County, Texas.
Today
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 100. South wind 0 to 5 mph.
7-day forecast for Cedar Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 0 to 5 mph S | 0% |
| Tonight | 74°F | Mostly Clear | 5 mph SSE | 0% |
| Sunday | 97°F | Mostly Sunny | 5 mph S | 0% |
| Sunday Night | 75°F | Partly Cloudy | 5 mph SSE | 9% |
| Monday | 97°F | Sunny | 0 to 5 mph SSE | 14% |
| Monday Night | 75°F | Mostly Clear | 5 mph SSE | 14% |
| Tuesday | 95°F | Sunny | 0 to 5 mph NNE | 14% |
| Tuesday Night | 74°F | Partly Cloudy | 5 mph E | 14% |
| Wednesday | 95°F | Mostly Sunny | 5 mph NE | 11% |
| Wednesday Night | 74°F | Partly Cloudy | 0 to 5 mph ESE | 2% |
| Thursday | 94°F | Mostly Sunny | 5 mph E | 2% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 5 mph ESE | 3% |
| Friday | 94°F | Mostly Sunny | 5 mph ENE | 3% |
| Friday Night | 72°F | Partly Cloudy | 5 mph ESE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Cedar Park (30.510, -97.819). Updated through the day.
Growing snapshot for Cedar Park
Last spring frost
Mar 11
First fall frost
Nov 20
Growing season
254 days
Hardiness zone
9a
More local growing data for Cedar Park: nearby ZIP 78613 weather · frost dates · planting calendar · Texas frost dates
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Serenada
Sonterra
Taylor
Thrall
Weir
Climate data from the nearest NOAA station, Austin Great Hills, Tx (7.1 mi from Cedar Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.