De Kalb, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for De Kalb, a city in Bowie County, Texas.
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 102. South wind around 5 mph.
7-day forecast for De Kalb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 5 mph S | 0% |
| Tonight | 70°F | Mostly Clear | 5 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 mph S | 0% |
| Sunday Night | 72°F | Mostly Cloudy | 5 mph SW | 4% |
| Monday | 98°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 mph N | 17% |
| Tuesday | 94°F | Mostly Sunny | 5 to 10 mph N | 8% |
| Tuesday Night | 66°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 91°F | Mostly Sunny | 5 to 10 mph NE | 7% |
| Wednesday Night | 65°F | Mostly Clear | 5 mph NE | 2% |
| Thursday | 90°F | Mostly Sunny | 5 to 10 mph E | 1% |
| Thursday Night | 65°F | Partly Cloudy | 5 mph E | 0% |
| Friday | 90°F | Mostly Sunny | 5 to 10 mph E | 1% |
| Friday Night | 65°F | Partly Cloudy | 5 mph E | 0% |
Forecast source: National Weather Service (api.weather.gov) for De Kalb (33.507, -94.617). Updated through the day.
Growing snapshot for De Kalb
Last spring frost
Mar 26
First fall frost
Nov 6
Growing season
225 days
Hardiness zone
8b
More local growing data for De Kalb: nearby ZIP 75559 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dekalb, Tx (2.5 mi from De Kalb). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.