Lone figure standing by the Colorado River looking up at a fiery sunset with Austin skyline and a 109° weather gauge nearby

Austin Weather Highlights: Record 109° High, 32 Triple-Digit Days, and 2025 Outlook

Austin’s 2024 weather set a new record when temperatures spiked to 109° on Aug. 21, while the coldest days in January hit 16° on both Jan. 15 and Jan. 17.

Temperatures

The 2024 high of 109° on Aug. 21 stands out among the year’s temperature extremes. In contrast, the lowest temperatures recorded were 16° on Jan. 15 and Jan. 17. For 2025, KXAN has produced daily high-temperature charts and a comparison of each day’s heat to the long-term average, using color coding to indicate hotter (red) or colder (blue) days.

The data also tracks record-setting days. In 2024, Camp Mabry logged 17 new record-high temperatures and 16 record-warm low temperatures. That year also saw 32 days of triple-digit heat, while the all-time record for days at or above 100° was set in 2011 with 90 such days.

An additional chart displays the average temperature for each month, incorporating both highs and lows, with a visual toggle to compare monthly averages to the norm.

Rainfall

Temperature chart shows daily highs with red and blue bars and bold 109° on Aug 21 beside subtle Austin skyline

Camp Mabry received 28.25″ of rainfall in 2024, while the local airport tallied 30.24″. KXAN has prepared monthly rainfall totals for 2025 and a comparison to historical averages.

Lake Levels

Lake Travis began 2025 at 43.9% full, and Lake Buchanan started the year at 61.4% full. Charts illustrate how the water levels have fluctuated throughout the year.

Severe Weather

Central Texas routinely experiences severe weather. KXAN tracks the number of warnings issued across its 15-county viewing area for 2025.

Key Takeaways

  • Austin’s 2024 record high was 109° on Aug. 21.
  • 32 triple-digit heat days occurred in 2024.
  • Camp Mabry logged 17 record-highs and 16 record-warm lows in 2024.

The KXAN Data Hub continues to update its weather stories as new data becomes available, offering residents a clear view of Texas climate trends.

For the latest forecast, visit the KXAN First Warning Weather team’s page.

Author

  • Aiden V. Crossfield

    I’m Aiden V. Crossfield, a dedicated journalist covering Local & Breaking News at News of Austin. My work centers on delivering timely, accurate, and trustworthy news that directly affects the Austin community. I believe local journalism is the backbone of an informed society, especially during rapidly developing situations.

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