Arlington, Texas Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Arlington weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:20 AM CDT · Open-Meteo
- TodaySep 21Rain later13%0.13″97°73°—
- TuesdaySep 22Overcast——94°73°-3°
- WednesdaySep 23Overcast——97°78°+3°
- ThursdaySep 24Overcast——96°79°-1°
- FridaySep 25Overcast——96°77°0°
- SaturdaySep 26Overcast——96°78°0°
- SundaySep 27Light Drizzle11%—101°79°+5°
Air quality now AQI 51 · Moderate
AQI 51 (Moderate), driven by PM2.5. AQI projected to climb to 109 over the next 6 hours. PM2.5 at 11.2 µg/m³ (AQI 55) with a 0.87 fine-to-coarse ratio and 3 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 11.2 µg/m³ (AQI 55) with a 0.87 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.87
- 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
- 4:43 PM
- Moonset
- 2:12 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Arlington at a glance
- Today vs. normal: Today averages 85°F (high 97°F, low 73°F), 9°F above the 76°F normal for Sep 21
- Last frost: March 9 (1991–2020 median, NOAA station 5 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
16-Day Forecast — Arlington
- Mon97°73°13%
- Tue94°73°3%
- Wed97°78°4%
- Thu96°79°2%
- Fri96°77°1%
- Sat96°78°5%
- Sun101°79°11%
- Mon100°78°22%
- Tue90°74°29%
- Wed91°75°19%
- Thu91°77°12%
- Fri91°78°13%
- Sat87°74°16%
- Sun83°69°10%
- Mon77°61°10%
- Tue78°61°10%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Arlington
Interactive wind and temperature map centered on Arlington — 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 — Arlington
SPC includes Arlington in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Arlington
Arlington sits in Tarrant County, where the year’s longest day runs 14h 18m of daylight and its shortest just 10h 0m — a swing of +4h 19m 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 226 miles to the SSE. The nearest town Arlington tracks is Grand Prairie, roughly 6 miles to the E.
Air quality in Arlington
Air quality in Arlington’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 52). See the full air-quality history for Arlington.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | 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
August is Arlington's warmest stretch (~86°F) and January its coldest (~47°F); precipitation crests in October at 4.7 inches and ebbs in August to 1.7 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 47° | 2.3″ | 4 |
| February | 51° | 2.6″ | 4 |
| March | 59° | 3.4″ | 5 |
| April | 66° | 3.1″ | 4 |
| May | 74° | 4.3″ | 6 |
| June | 82° | 3.5″ | 5 |
| July | 85° | 1.7″ | 3 |
| August | 86° | 1.7″ | 3 |
| September | 79° | 3.3″ | 4 |
| October | 68° | 4.7″ | 5 |
| November | 57° | 2.6″ | 4 |
| December | 49° | 2.8″ | 4 |
Regional context
Similar climates Dalworthington Gardens, TX, Pantego, TX, Grand Prairie, TX
Arlington swings from 47°F in January to 85°F in July (38°F) per NOAA NCEI 1991-2020 normals; precipitation in Arlington runs about 36.2 inches on roughly 49 measurable days.
No season owns Arlington's rain: October reaches 4.7 inches across 4.9 days and August keeps 1.7 inches on 2.7, an even spread through Arlington's year. That even rhythm groups Arlington with places like Dalworthington Gardens, TX, Pantego, TX and Grand Prairie, TX.
Arlington reaches its last hard frost near March 9; that is the cue for lettuce, chard, arugula, and mustard greens. Arlington's heat-lovers — tomatoes, peppers, squash — hold off until Arlington's frost risk clears, 10-14 days on. Frost returns to Arlington near November 21, ending the tender-crop season. Open lawns in Arlington whiten first when frost returns.
Similar climates: Dalworthington Gardens, TX, Pantego, TX, Grand Prairie, TX, Kennedale, TX, Forest Hill, TX.
Frequently asked
- When does it freeze in Arlington?
- Frost typically leaves Arlington by March 9 and returns to Arlington near November 21.
- What is the rainy season in Arlington?
- October is the wettest month in Arlington, about 4.7 inches on average; the year totals roughly 36 inches.
- What is the warmest month in Arlington?
- August is Arlington's warmest month, averaging about 86°F.
- What is the coldest month in Arlington?
- Arlington bottoms out in January, with a mean near 47°F.
- When can I start a vegetable garden in Arlington?
- Time tomatoes in Arlington for two weeks after March 9; peas and greens start at Arlington's frost line.
- How many rainy days does Arlington get?
- Arlington records around 49 days of measurable precipitation annually.
- What hardiness zone is Arlington?
- Arlington sits in the USDA zone set by January lows near 47°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Arlington?
- Arlington'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 Arlington?
- See this week's day-by-day rain chances for Arlington in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Arlington?
- Current conditions for Arlington and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Arlington forecast updated?
- The Arlington forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Arlington?
- Today's sunrise and sunset times for Arlington 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 Arlington?
- The next few days in Arlington's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Arlington sits at 32.7°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Arlington
- 76001
- 76002
- 76003
- 76004
- 76005
- 76006
- 76007
- 76010
- 76011
- 76012
- 76013
- 76014
- 76015
- 76016
- 76017
- 76018
- 76019
- 76094
- 76096