Onalaska, TX Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Onalaska, TX in one place.
Partly sunny, with a high near 94. Heat index values as high as 103. South wind 0 to 5 mph.
Local Weather Overview
This forecast page for Onalaska, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 1:47 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Onalaska, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 1:47 PM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Onalaska
Wednesday looks like the warmest upcoming period in Onalaska at 99 degrees F.
Sunday Night is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Saturday at about 0 to 5 mph S.
The forecast from Jul 18 through Jul 23 stays mostly dry.
Forecast Details
- Last updated
- Jul 17, 2026 1:47 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KHGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 75. Heat index values as high as 102. South wind 0 to 5 mph.
Sunny, with a high near 96. Southwest wind 0 to 5 mph.
Mostly clear, with a low around 74.
Sunny, with a high near 97.
Clear, with a low around 75.
Sunny, with a high near 98.
Mostly clear, with a low around 77.
Sunny, with a high near 99.
Mostly clear, with a low around 78.
Sunny, with a high near 98.
Partly cloudy, with a low around 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Partly Sunny
|
94°F |
0 to 5 mph
S
|
|
Saturday Night
Jul 18
|
Mostly Cloudy
|
75°F |
0 to 5 mph
S
|
|
Sunday
Jul 19
|
Sunny
|
96°F |
0 to 5 mph
SW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
74°F |
0 to 5 mph
SW
|
|
Monday
Jul 20
|
Sunny
|
97°F |
0 mph
|
|
Monday Night
Jul 20
|
Clear
|
75°F |
0 to 5 mph
SW
|
|
Tuesday
Jul 21
|
Sunny
|
98°F |
0 to 5 mph
SW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
77°F |
0 to 5 mph
SW
|
|
Wednesday
Jul 22
|
Sunny
|
99°F |
0 to 5 mph
SW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
78°F |
0 mph
|
|
Thursday
Jul 23
|
Sunny
|
98°F |
0 mph
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
78°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Onalaska.