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Onalaska, TX Weather Tomorrow

Get tomorrow's weather for Onalaska plus an extended 5 day forecast providing daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Onalaska area and around Polk county, Texas.
Updated: Wed Sep 2nd 2026 9:00 AM CDT
Onalaska, TX Weather – 9-2 – Heavy Rain
85° / 76°
Heavy Rain
In Onalaska, it will rain at times with highs near 85°F and lows around 76°F. The chance of rain is 89% with an estimated 56.27in. Winds will be strong at speeds peaking at 23mph and gusts of 20mph at 11 PM. High humidity with average of 86% is anticipated, the maximum being 92% at 10 AM and 71% being its lowest at 4 PM. Barometric pressure is its highest of 30.01inHg at 11 AM, a lowest point of 29.92inHg at 5 PM with an avg 29.96inHg.
Onalaska, TX Weather – 9-3 – Overcast
82° / 76°

Weather Tomorrow

Overcast
In Onalaska, overcast is likely with a high near 82°F and a low around 76°F. The chance of rain is 85% with an estimated 0.17in. Winds will be light at 9mph and gusts of 22mph at 1 AM. High humidity with average of 87% is anticipated, the maximum being 95% at 6 AM and 71% being its lowest at 3 PM. Barometric pressure is its highest of 30.02inHg at 12 PM, a lowest point of 29.91inHg at 8 PM with an avg 29.95inHg.
Onalaska, TX Weather – 9-4 – Scattered Showers
90° / 76°
Scattered Showers
Daytime highs will reach 90°F with lows dropping to 76°F in Onalaska, where on and off showers are set to occur. Rainfall predicted to have a 57% chance with an estimated 0.04in. Winds will be light at 10mph and gusts of 20.6mph at 2 AM. The humidity will be on the higher side, averaging about 74%, the maximum being 90% at 12 AM and 54% being its lowest at 2 PM. Barometric pressure is its highest of 30inHg at 11 AM, a lowest point of 29.88inHg at 8 PM with an avg 29.92inHg.
Onalaska, TX Weather – 9-5 – Sunny
92° / 74°
Sunny
A sunny day is in the forecast for Onalaska, with a high of 92°F and a low of 74°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 8mph and gusts of 19.1mph at 10 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 93% at 7 AM and 46% being its lowest at 4 PM. Barometric pressure is its highest of 29.98inHg at 11 AM, a lowest point of 29.85inHg at 8 PM with an avg 29.91inHg.
Onalaska, TX Weather – 9-6 – Sunny
94° / 76°
Sunny
Onalaska is set for sunshine with temperatures peaking at 94°F and dipping to 76°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 6mph and gusts of 17.2mph at 4 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 88% at 7 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 29.97inHg at 10 AM, a lowest point of 29.85inHg at 5 PM with an avg 29.9inHg.
Onalaska, TX Weather – 9-7 – Sunny
95° / 78°
Sunny
In Onalaska, bright and sunny conditions with highs near 95°F and lows around 78°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 7mph and gusts of 15.3mph at 4 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 85% at 7 AM and 46% being its lowest at 1 PM. Barometric pressure is its highest of 29.98inHg at 10 AM, a lowest point of 29.89inHg at 5 PM with an avg 29.93inHg.

Currently

Heavy Rain 76°F
29.97 inHg.
Barometer
96%
Humidity
SSW 13.3 mph
Wind
Heavy Rain

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