Coupland, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coupland, a city in Williamson County, Texas.
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 101. South southeast wind 0 to 5 mph.
7-day forecast for Coupland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 0 to 5 mph SSE | 0% |
| Tonight | 73°F | Mostly Clear | 5 to 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 mph S | 0% |
| Sunday Night | 75°F | Partly Cloudy | 5 to 10 mph SSE | 4% |
| Monday | 99°F | Sunny | 0 to 5 mph SSE | 14% |
| Monday Night | 75°F | Mostly Clear then Slight Chance Rain Showers | 5 mph SSE | 16% |
| Tuesday | 98°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 10 mph NNW | 16% |
| Tuesday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph ENE | 15% |
| Wednesday | 97°F | Mostly Sunny | 5 to 10 mph NE | 12% |
| Wednesday Night | 75°F | Partly Cloudy | 0 to 10 mph E | 3% |
| Thursday | 97°F | Mostly Sunny | 0 to 10 mph ENE | 3% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 10 mph ESE | 3% |
| Friday | 96°F | Mostly Sunny | 0 to 10 mph ENE | 2% |
| Friday Night | 72°F | Partly Cloudy | 0 to 10 mph ESE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Coupland (30.457, -97.392). Updated through the day.
Growing snapshot for Coupland
Last spring frost
Mar 4
First fall frost
Nov 24
Growing season
264 days
Hardiness zone
9a
More local growing data for Coupland: nearby ZIP 78615 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Brushy Creek
Cedar Park
Florence
Georgetown
Granger
Hutto
Jarrell
Liberty Hill
Round Rock
Santa Rita Ranch
Serenada
Sonterra
Taylor
Thrall
Weir
Climate data from the nearest NOAA station, Elgin 1 N, Tx (7 mi from Coupland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.