Onalaska, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Onalaska, a city in Polk County, Texas.
Today
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 102. South wind around 5 mph.
7-day forecast for Onalaska
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 5 mph S | 0% |
| Tonight | 78°F | Mostly Clear | 5 mph S | 0% |
| Wednesday | 96°F | Sunny | 5 mph S | 4% |
| Wednesday Night | 78°F | Clear | 5 to 10 mph S | 2% |
| Thursday | 95°F | Sunny | 5 mph S | 3% |
| Thursday Night | 77°F | Mostly Clear | 5 to 10 mph S | 3% |
| Friday | 93°F | Sunny | 0 to 5 mph S | 12% |
| Friday Night | 76°F | Partly Cloudy | 0 to 5 mph SE | 12% |
| Saturday | 93°F | Sunny | 0 to 5 mph SE | 13% |
| Saturday Night | 77°F | Mostly Clear | 0 to 5 mph SE | 13% |
| Sunday | 93°F | Sunny | 0 to 5 mph SE | 14% |
| Sunday Night | 76°F | Partly Cloudy | 0 to 10 mph S | 14% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 21% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 21% |
Forecast source: National Weather Service (api.weather.gov) for Onalaska (30.824, -95.111). Updated through the day.
Growing snapshot for Onalaska
Last spring frost
Mar 1
First fall frost
Nov 24
Growing season
269 days
Hardiness zone
9a
More local growing data for Onalaska: nearby ZIP 77360 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Big Thicket Lake Estates
Cedar Point
Corrigan
Goodrich
Indian Springs
Livingston
Pleasant Hill
Seven Oaks
West Livingston
Climate data from the nearest NOAA station, Livingston 2 Nne, Tx (13.6 mi from Onalaska). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.