Laredo, Texas Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Laredo weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:19 AM CDT · Open-Meteo
- TodaySep 21Clear——98°78°—
- TuesdaySep 22Clear——96°77°-2°
- WednesdaySep 23Overcast18%—96°76°0°
- ThursdaySep 24Overcast13%—98°75°+2°
- FridaySep 25Overcast——101°75°+3°
- SaturdaySep 26Overcast——101°75°0°
- SundaySep 27Overcast11%—101°77°0°
Air quality now AQI 29 · Good
AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.65 fine-to-coarse ratio and 5 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 during the projected peak around 8 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.65 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.65
- Wind
- light
- 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
- 4:41 PM
- Moonset
- 2:35 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Laredo at a glance
- Today vs. normal: Today averages 88°F (high 98°F, low 78°F), 6°F above the 82°F normal for Sep 21
- Last frost: January 25 (1991–2020 median, NOAA station 1 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant tomatoes, peppers, beans, squash, fall brassicas, carrots; harvest summer squash, winter squash
16-Day Forecast — Laredo
- Mon98°78°5%
- Tue96°77°7%
- Wed96°76°18%
- Thu98°75°13%
- Fri101°75°9%
- Sat101°75°5%
- Sun101°77°11%
- Mon101°77°7%
- Tue97°79°27%
- Wed92°77°31%
- Thu94°75°20%
- Fri89°74°23%
- Sat94°71°19%
- Sun98°76°19%
- Mon87°70°12%
- Tue84°66°16%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Laredo
Interactive wind and temperature map centered on Laredo — 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 17) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 24 to October 8 here. This city's planting calendar for September: plant tomatoes, peppers, beans, squash, fall brassicas, and carrots; harvest summer squash and winter squash.
SPC Convective Outlook
Storm Prediction Center — Laredo
SPC includes Laredo 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 Laredo
Laredo sits in Webb County, where the year’s longest day runs 13h 53m of daylight and its shortest just 10h 24m — a swing of +3h 29m 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 292 miles to the ENE. The nearest town Laredo tracks is McAllen, roughly 120 miles to the SE.
Air quality in Laredo
Air quality in Laredo’s county has held roughly steady since 2020; its cleanest year on record was 2023 (median AQI 44). See the full air-quality history for Laredo.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | radishes, fall brassicas, carrots |
| February | lettuce, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| April | squash | lettuce, peas, spinach, tomatoes, peppers, beans, summer squash |
| May | squash | tomatoes, peppers, beans, summer squash, winter squash, garlic |
| June | squash | tomatoes, summer squash, winter squash |
| July | squash | summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | tomatoes, peppers, beans, squash, fall brassicas, carrots | summer squash, winter squash |
| October | beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| December | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
A year in weather
In Laredo, August runs warmest near 89°F and January coldest around 58°F, while September is the wettest month (3.9 inches) and February the driest (0.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 58° | 0.8″ | 2 |
| February | 63° | 0.7″ | 2 |
| March | 70° | 1.3″ | 2 |
| April | 77° | 1.3″ | 2 |
| May | 83° | 2.8″ | 3 |
| June | 88° | 1.8″ | 3 |
| July | 89° | 1.9″ | 3 |
| August | 89° | 1.6″ | 3 |
| September | 84° | 3.9″ | 5 |
| October | 77° | 1.7″ | 2 |
| November | 66° | 1.0″ | 2 |
| December | 59° | 1.1″ | 2 |
Regional context
Similar climates Los Corralitos, TX, Los Altos, TX, Tanquecitos South Acres II, TX
By the nearest station's NOAA NCEI 1991-2020 normals, Laredo sees 58°F Januarys and 89°F Julys, a 31°F range, plus around 19.7 inches of precipitation across 30 days.
Summer convection drives Laredo's precipitation: September logs 3.9 inches on 5.0 rainy days, against February's 0.7 inches on 1.5 — warm-season storms carry Laredo's moisture. That puts Laredo in a summer-convective cohort with places like Los Corralitos, TX, Los Altos, TX and Tanquecitos South Acres II, TX.
Laredo's growing window opens around January 25, once Laredo's overnight lows stop freezing — sow lettuce, chard, arugula, and mustard greens. In Laredo, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Laredo's frost date. Laredo's window closes around December 17 as Laredo's overnight lows return below freezing. Sheltered Laredo yards can escape a light frost.
Similar climates: Los Corralitos, TX, Los Altos, TX, Tanquecitos South Acres II, TX, Tanquecitos South Acres, TX, San Carlos I, TX.
Frequently asked
- When does it freeze in Laredo?
- Frost typically leaves Laredo by January 25 and returns to Laredo near December 17.
- What is the rainy season in Laredo?
- September is the wettest month in Laredo, about 3.9 inches on average; the year totals roughly 20 inches.
- What is the warmest month in Laredo?
- Laredo peaks in August, when the mean runs near 89°F.
- What is the coldest month in Laredo?
- January is Laredo's coldest month, averaging about 58°F.
- When can I start a vegetable garden in Laredo?
- In Laredo, sow peas and hardy greens around January 25; Laredo's tomatoes and peppers wait two weeks more.
- How many rainy days does Laredo get?
- Expect roughly 30 wet days a year in Laredo.
- What hardiness zone is Laredo?
- Since January in Laredo averages 58°F, Laredo's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Laredo?
- Laredo'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 Laredo?
- See this week's day-by-day rain chances for Laredo in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Laredo?
- Current conditions for Laredo and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Laredo forecast updated?
- The Laredo forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Laredo?
- Today's sunrise and sunset times for Laredo 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 Laredo?
- The next few days in Laredo's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Laredo sits at 27.6°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Laredo
- 78040
- 78041
- 78042
- 78043
- 78044
- 78045
- 78046