Carrollton, Texas Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Carrollton weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:40 AM CDT · Open-Meteo
- TodaySep 21Clear later——98°75°—
- TuesdaySep 22Overcast——94°72°-4°
- WednesdaySep 23Overcast——97°79°+3°
- ThursdaySep 24Overcast——96°77°-1°
- FridaySep 25Overcast——95°77°-1°
- SaturdaySep 26Overcast——99°80°+4°
- SundaySep 27Overcast11%—99°83°0°
Air quality now AQI 51 · Moderate
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.79 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.
What's driving it
PM × Wind × Precip
PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.79 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.79
- 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
- 4:43 PM
- Moonset
- 2:11 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Carrollton at a glance
- Today vs. normal: Today averages 87°F (high 98°F, low 75°F), 12°F above the 75°F normal for Sep 21
- Last frost: March 7 (1991–2020 median, NOAA station 15 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
15-Day Forecast — Carrollton
- Mon98°75°6%
- Tue94°72°9%
- Wed97°79°4%
- Thu96°77°2%
- Fri95°77°2%
- Sat99°80°5%
- Sun99°83°11%
- Mon96°74°18%
- Tue94°78°30%
- Wed95°75°14%
- Thu94°77°8%
- Fri94°78°13%
- Sat96°80°8%
- Sun96°81°19%
- Mon97°81°12%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Carrollton
Interactive wind and temperature map centered on Carrollton — it loads in your browser. Open the full weather map.
Right now in the garden
Late season
As of September 21, the first frost (around November 21) is about 9 weeks away. Frost-tender plants keep producing until then. 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 — Carrollton
SPC includes Carrollton 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 Carrollton
Carrollton sits in Dallas County, where the year’s longest day runs 14h 20m of daylight and its shortest just 9h 58m — a swing of +4h 22m 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 239 miles to the SSE. The nearest town Carrollton tracks is Lewisville, roughly 6 miles to the NW.
Air quality in Carrollton
Air quality in Carrollton’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 46). See the full air-quality history for Carrollton.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | squash | lettuce, peas, spinach, beans, summer squash, garlic |
| June | squash | tomatoes, peppers, beans, summer squash, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, 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) | tomatoes, 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
Carrollton peaks at about 85°F in July and bottoms near 46°F in January; October brings the heaviest rain (5.3 inches) and July the least (2.2 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 46° | 2.8″ | 8 |
| February | 50° | 3.4″ | 8 |
| March | 58° | 3.6″ | 9 |
| April | 65° | 3.5″ | 8 |
| May | 73° | 5.2″ | 10 |
| June | 81° | 3.8″ | 7 |
| July | 85° | 2.2″ | 5 |
| August | 85° | 2.5″ | 5 |
| September | 77° | 3.3″ | 6 |
| October | 67° | 5.3″ | 8 |
| November | 56° | 3.0″ | 7 |
| December | 48° | 3.4″ | 8 |
Regional context
Similar climates Hebron, TX, Addison, TX, Farmers Branch, TX
In Carrollton, NOAA NCEI 1991-2020 normals put January near 46°F and July near 85°F — a 39°F seasonal arc — with about 41.9 inches of precipitation over 87 rainy or snowy days.
Carrollton's precipitation spreads evenly across the seasons: October peaks at 5.3 inches on 7.8 wet days, while July holds 2.2 inches over 4.9 — no season dominates Carrollton's rain calendar. That lines Carrollton up with places like Hebron, TX, Addison, TX and Farmers Branch, TX, fed by overlapping storm tracks.
Carrollton reaches its last hard frost near March 7; that is the cue for lettuce, chard, arugula, and mustard greens. Tomatoes and peppers do best set out two weeks later in Carrollton, once nights clear the mid-40s°F. The season ends by November 21 in Carrollton, once hard frosts set back in. That date is a median: Carrollton freezes sooner in half of years.
Similar climates: Hebron, TX, Addison, TX, Farmers Branch, TX, Coppell, TX, Lewisville, TX.
Frequently asked
- When does it freeze in Carrollton?
- Carrollton's last spring frost lands near March 7, and in Carrollton the first fall frost follows around November 21.
- What is the rainy season in Carrollton?
- October is the wettest month in Carrollton, about 5.3 inches on average; the year totals roughly 42 inches.
- What is the warmest month in Carrollton?
- The warmest stretch in Carrollton comes in July, around 85°F on average.
- What is the coldest month in Carrollton?
- On average January is the chilliest month in Carrollton, about 46°F.
- When can I start a vegetable garden in Carrollton?
- Carrollton's last frost (March 7) cues hardy greens; in Carrollton, hold heat-lovers two weeks past.
- How many rainy days does Carrollton get?
- Expect roughly 87 wet days a year in Carrollton.
- What hardiness zone is Carrollton?
- Carrollton sits in the USDA zone set by January lows near 46°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Carrollton?
- Carrollton'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 Carrollton?
- See this week's day-by-day rain chances for Carrollton in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Carrollton?
- Current conditions for Carrollton and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Carrollton forecast updated?
- The Carrollton forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Carrollton?
- Today's sunrise and sunset times for Carrollton 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 Carrollton?
- The next few days in Carrollton's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Carrollton sits at 33.0°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Carrollton
- 75006
- 75007
- 75010
- 75011