Houston to Austin — Weather & Driving Conditions
Driving from Houston, TX to Austin, TX? This 165-mile route follows US-290, TX-71. TripCaptain checks the weather at every stop along the way — not just at each end — so you can see where conditions change before you pick a departure time.
Quick answer
- Distance: 165 mi (266 km)
- Typical drive time: ~2 hr 45 min without stops
- Main highway: US-290, TX-71
- Watch for: Flash Flooding, Severe Thunderstorm, Dense Fog
What to watch for on this route
In the planner, TripCaptain highlights forecast weather risks between Houston, TX and Austin, TX and summarizes the analysis with a Hazard Score™ from 0 to 100. A higher score indicates lower forecast risk, without guaranteeing road conditions.
- Flash Flooding: The Brazos and Colorado River crossings and low-water spots along US-290 flood fast in heavy rain — this is squarely inside Texas's 'Flash Flood Alley'.
- Severe Thunderstorm: Spring supercells crossing the coastal plain bring large hail, damaging winds, and the occasional tornado, with intense rainfall rates that overwhelm drainage.
- Dense Fog: Warm Gulf moisture over cool ground produces thick advection fog on US-290, especially on winter and early-spring mornings west of Houston.
When to go, season by season
- Spring (Mar–May): Peak severe-weather season. Supercells, large hail, and flash flooding are all possible — check radar before departing and never drive into water over the road.
- Summer (Jun–Aug): Hot, with isolated afternoon storms. Extreme heat stresses tires and cooling systems; carry water and check tire pressure before the drive.
- Fall (Sep–Nov): Generally good driving. A landfalling Gulf tropical system or its remnants can bring heavy rain and flooding in September and October.
- Winter (Dec–Feb): Mostly mild. Dense morning fog is common; a rare hard freeze or ice event can briefly make bridges and overpasses treacherous.
Compare departure times
Open Houston to Austin in the planner to check the forecast for your date and compare nearby hours within your plan's limits. Save the trip to follow changing conditions in Live Mode.
Fuel, EV range, and rest stops
See a weather-adjusted fuel or EV energy estimate for the drive, sensible break points across the 165 miles, and a packing list matched to the conditions ahead.
Ready to plan your Houston to Austin trip?
Check forecast conditions along this route, compare nearby departure hours, and save your plan to follow changes in Live Mode.
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