Lake Dallas, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Dallas, a city in Denton County, Texas.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 103. South wind 5 to 10 mph.
7-day forecast for Lake Dallas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 78°F | Mostly Clear | 10 mph SSE | 0% |
| Sunday | 99°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph S | 26% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms | 5 mph S | 43% |
| Monday | 95°F | Chance Showers And Thunderstorms | 5 mph WSW | 43% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NE | 17% |
| Tuesday | 90°F | Mostly Sunny | 10 mph NNE | 12% |
| Tuesday Night | 70°F | Partly Cloudy | 10 mph NE | 8% |
| Wednesday | 90°F | Mostly Sunny | 5 to 10 mph ENE | 9% |
| Wednesday Night | 71°F | Partly Cloudy | 5 to 10 mph E | 2% |
| Thursday | 90°F | Mostly Sunny | 5 to 10 mph ESE | 4% |
| Thursday Night | 72°F | Partly Cloudy | 5 to 10 mph E | 2% |
| Friday | 91°F | Mostly Sunny | 5 to 10 mph ESE | 3% |
| Friday Night | 72°F | Mostly Cloudy | 5 to 10 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Lake Dallas (33.128, -97.023). Updated through the day.
Growing snapshot for Lake Dallas
Last spring frost
Mar 13
First fall frost
Nov 20
Growing season
251 days
Hardiness zone
8b
More local growing data for Lake Dallas: nearby ZIP 75065 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Argyle
Aubrey
Bartonville
Carrollton
Copper Canyon
Corinth
Corral City
Cross Roads
Denton
DISH
Double Oak
Flower Mound
Frisco
Hackberry
Hebron
Hickory Creek
Highland Village
Justin
Krugerville
Krum
Lakewood Village
Lantana
Lewisville
Little Elm
Northlake
Oak Point
Paloma Creek
Paloma Creek South
Pilot Point
Ponder
Climate data from the nearest NOAA station, Denton 2 Se, Tx (8.4 mi from Lake Dallas). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.