See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Overcast
Feels Like: 21°
Min: 13°
Max: 19°
The next few hours will be overcast, with today reaching 19°C and dropping to 11°C. The coming days will be mostly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:57
Sunrise
19:14
Sunset
Moon
Waxing Crescent
12:00
Moonrise
20:39
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
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Thursday
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Weather in Austin today, September 15, 2026
Austin looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 19°C. The air stays humid, with relative humidity between 59% and 91% and the peak around 23:00. A lighter breeze peaks around 16:00 near 4.5 km/h.
Expect persistent cloud later on, with amounts around 100% by 15:00. Sunshine remains the exception, not the rule. Expect visibility around 16.1 km. Sunrise is at 06:57 and sunset at 19:14, giving 12 hours 16 minutes of sunlight today.
Overall, Austin on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 19°C.
Frequently asked questions about weather in Austin
How warm does it get in Austin?
The warmest month in Austin is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.
How cold does it get in Austin?
The coldest month in Austin is January, with average low temperatures of -11°C. The average temperature during this period is around -8°C.
What is the wettest time of year in Austin?
The wettest month in Austin is June, with an average of 136mm of precipitation.
What is the driest time of year in Austin?
The driest month in Austin is January, with an average of 34mm of precipitation.
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