Eureka, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Eureka, a city in Navarro County, Texas.
Tonight
73°F
Clear
Clear. Low around 73, with temperatures rising to around 75 overnight. South wind around 5 mph.
7-day forecast for Eureka
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Clear | 5 mph S | 0% |
| Saturday | 96°F | Sunny | 5 mph SSW | 0% |
| Saturday Night | 73°F | Mostly Clear | 5 mph SSE | 0% |
| Sunday | 97°F | Sunny | 5 mph S | 1% |
| Sunday Night | 76°F | Partly Cloudy | 5 mph S | 12% |
| Monday | 96°F | Mostly Sunny | 0 to 5 mph S | 14% |
| Monday Night | 74°F | Partly Cloudy | 0 to 5 mph ENE | 14% |
| Tuesday | 94°F | Mostly Sunny | 5 mph NNE | 13% |
| Tuesday Night | 73°F | Partly Cloudy | 5 mph NE | 12% |
| Wednesday | 93°F | Mostly Sunny | 5 mph NE | 4% |
| Wednesday Night | 73°F | Partly Cloudy | 5 mph ENE | 4% |
| Thursday | 93°F | Mostly Sunny | 5 mph ENE | 1% |
| Thursday Night | 71°F | Partly Cloudy | 5 mph ENE | 3% |
| Friday | 92°F | Mostly Sunny | 5 mph ENE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Eureka (32.007, -96.271). Updated through the day.
Growing snapshot for Eureka
Last spring frost
Mar 7
First fall frost
Nov 23
Growing season
261 days
Hardiness zone
8b
More local growing data for Eureka: nearby ZIP 75109 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Angus
Barry
Blooming Grove
Corsicana
Dawson
Emhouse
Frost
Goodlow
Kerens
Mildred
Mustang
Navarro
Oak Valley
Powell
Retreat
Rice
Richland
Climate data from the nearest NOAA station, Corsicana Campbell Fld, Tx (3.3 mi from Eureka). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.