Austin, Texas Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Austin weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 8:31 AM CDT · Open-Meteo
- TodaySep 21Clear24%—98°73°—
- TuesdaySep 22Clear17%0.02″95°73°-3°
- WednesdaySep 23Light Drizzle16%—98°80°+3°
- ThursdaySep 24Overcast——99°81°+1°
- FridaySep 25Overcast——99°80°0°
- SaturdaySep 26Overcast——98°78°-1°
- SundaySep 27Overcast——99°77°+1°
Air quality now AQI 48 · Good
AQI 48 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.80 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.80 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.80
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:40 PM
- Moonset
- 2:21 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Austin at a glance
- Today vs. normal: Today averages 86°F (high 98°F, low 73°F), 7°F above the 79°F normal for Sep 21
- Last frost: February 20 (1991–2020 median, NOAA station 2 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
16-Day Forecast — Austin
- Mon99°73°24%
- Tue95°73°17%
- Wed98°80°16%
- Thu99°81°5%
- Fri99°80°1%
- Sat98°78°2%
- Sun99°77°6%
- Mon98°77°18%
- Tue82°75°31%
- Wed90°74°23%
- Thu91°77°13%
- Fri83°74°13%
- Sat85°72°14%
- Sun89°72°14%
- Mon81°64°6%
- Tue78°62°13%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Austin
Interactive wind and temperature map centered on Austin — it loads in your browser. Open the full weather map.
Right now in the garden
Peak growing season
As of September 21, the growing season is at its peak — the first frost (around December 3) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 10 to September 24 here. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Austin
SPC includes Austin in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Austin
Austin sits in Travis County, where the year’s longest day runs 14h 6m of daylight and its shortest just 10h 11m — a swing of +3h 55m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Houston, the state’s largest city, lies about 146 miles to the ESE. The nearest town Austin tracks is Hornsby Bend, roughly 11 miles to the ESE.
Air quality in Austin
Air quality in Austin’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 51). See the full air-quality history for Austin.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | — |
| February | lettuce, peas, spinach, radishes | radishes |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | squash | lettuce, peas, tomatoes, peppers, beans, summer squash, garlic |
| June | squash | tomatoes, peppers, beans, summer squash, winter squash |
| July | beans, squash | tomatoes, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| October | garlic (overwinter) | peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
Austin's warmest month is August (~87°F mean) and its coldest is January (~52°F). Rainfall peaks in May (5.0 inches) and bottoms out in February (1.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 52° | 2.6″ | 4 |
| February | 56° | 1.9″ | 4 |
| March | 63° | 2.9″ | 5 |
| April | 70° | 2.4″ | 4 |
| May | 77° | 5.0″ | 6 |
| June | 83° | 3.7″ | 5 |
| July | 86° | 2.0″ | 3 |
| August | 87° | 2.7″ | 3 |
| September | 81° | 3.5″ | 4 |
| October | 72° | 3.9″ | 5 |
| November | 61° | 2.9″ | 4 |
| December | 54° | 2.7″ | 4 |
Regional context
Similar climates Rollingwood, TX, West Lake Hills, TX, Sunset Valley, TX
In Austin, NOAA NCEI 1991-2020 normals put January near 52°F and July near 86°F — a 34°F seasonal arc — with about 36.3 inches of precipitation over 50 rainy or snowy days.
No season owns Austin's rain: May reaches 5.0 inches across 5.5 days and February keeps 1.9 inches on 3.6, an even spread through Austin's year. That lines Austin up with places like Rollingwood, TX, West Lake Hills, TX and Sunset Valley, TX, fed by overlapping storm tracks.
Around February 20, Austin sheds its freezing nights — lettuce, chard, arugula, and mustard greens go into Austin's beds. Tomatoes and peppers do best set out two weeks later in Austin, once nights clear the mid-40s°F. The season ends by December 3 in Austin, once hard frosts set back in. That date is a median: Austin freezes sooner in half of years.
Similar climates: Rollingwood, TX, West Lake Hills, TX, Sunset Valley, TX, Barton Creek, TX, Steiner Ranch, TX.
Frequently asked
- When does it freeze in Austin?
- Austin's last spring frost lands near February 20, and in Austin the first fall frost follows around December 3.
- What is the rainy season in Austin?
- May is the wettest month in Austin, about 5.0 inches on average; the year totals roughly 36 inches.
- What is the warmest month in Austin?
- The warmest stretch in Austin comes in August, around 87°F on average.
- What is the coldest month in Austin?
- On average January is the chilliest month in Austin, about 52°F.
- When can I start a vegetable garden in Austin?
- Time tomatoes in Austin for two weeks after February 20; peas and greens start at Austin's frost line.
- How many rainy days does Austin get?
- Austin records around 50 days of measurable precipitation annually.
- What hardiness zone is Austin?
- Austin sits in the USDA zone set by January lows near 52°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Austin?
- Austin's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Austin?
- See this week's day-by-day rain chances for Austin in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Austin?
- Current conditions for Austin and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Austin forecast updated?
- The Austin forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Austin?
- Today's sunrise and sunset times for Austin are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Austin?
- The next few days in Austin's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Austin sits at 30.3°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Austin
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