Arlington, Texas Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Arlington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast12%—89°72°—
- FridayJun 5Overcast25%—89°73°0°
- SaturdayJun 6Light Rain61%0.26″87°72°-2°
- SundayJun 7Drizzle44%—90°73°+3°
- MondayJun 8Overcast——96°74°+6°
- TuesdayJun 9Clear——95°75°-1°
- WednesdayJun 10Clear——97°76°+2°
Ozone at AQI 44 now. AQI down 7 over the last 6 hours (steady decline since this morning). With UV 5.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 24 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 44 now. With UV 5.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 24 by mid-afternoon.
- Present
- AQI 44
- UV peak
- 5.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 24
PM × Wind × Precip
PM2.5 at 7.1 µg/m³, PM10 at 7.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:37 AM
- Moonset
- 2:52 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Arlington at a glance
- Today vs. normal: 83°F — typical for the season
- Last frost: March 3 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Arlington
SPC has placed Arlington in the General Thunderstorms category for severe thunderstorms today.
- 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. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
August brings Arlington's highest temperatures (~86°F mean), while January delivers the year's coldest readings (~47°F). October sees peak rainfall at 4.7 inches, contrasting with August's minimal 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
Arlington falls within a humid subtropical climate region that encompasses nearby cities with comparable temperature ranges, seasonal patterns, and growing conditions.
Similar climates: Houston, TX, Dallas, TX, San Antonio, TX, Austin, TX, Fort Worth, TX.
Naturalist notes
Late April brings the synchronized emergence of cicadas across Arlington's neighborhoods, their distinctive calls marking the transition from spring to early summer.
By mid-May, native Texas bluebonnets complete their blooming cycle, with seed pods forming as temperatures consistently rise above 80°F.
Frequently asked
- When does it freeze in Arlington?
- Arlington's final spring frost usually occurs around mid-March, with the first fall frost returning around mid-December.
- What is the rainy season in Arlington?
- October receives the most rainfall at approximately 4.7 inches on average, contributing to the city's total annual precipitation of roughly 36 inches.
- What is the warmest month in Arlington?
- August typically records the highest temperatures, averaging about 86°F.
- What is the coldest month in Arlington?
- January typically brings the coldest weather, averaging about 47°F.
- When can I start a vegetable garden in Arlington?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-March, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after.
- How many rainy days does Arlington get?
- Arlington experiences approximately 49 rainy days per year.
- What hardiness zone is Arlington?
- Arlington's USDA hardiness zone depends on its lowest average winter temperature; the USDA's online lookup tool using the city ZIP code provides the current zone designation.
Climate
Arlington, Texas experiences a humid subtropical climate zone. Winter temperatures in January typically hover near 47°F, while July brings averages of 85°F — creating a 38°F seasonal swing.
Throughout the year, Arlington collects about 36 inches of precipitation distributed across roughly 49 rainy days.
Several factors determine the annual weather rhythm: latitude (32.7°N), proximity to large water bodies, and elevation. These elements influence what grows in the area, frost timing, and daily weather patterns.