Weather in Arlington, Texas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast15%87°70°
- SundayMay 17Thunderstorm11%83°73°
- MondayMay 18Light Drizzle24%88°75°
- TuesdayMay 19Thunderstorm54%87°75°
- WednesdayMay 20Showers54%78°67°
- ThursdayMay 21Drizzle62%80°67°
- FridayMay 22Drizzle44%85°67°
- PM 2.5
- 6.4 μg/m³
- PM 10
- 9.3 μg/m³
- NO₂
- 4.2 μg/m³
- Ozone
- 91.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 11:44 AM
- Moonset
- 1:45 AM
- In sign
- ♉︎ Taurus
Roses open on the Piedmont edge
Arlington at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 3 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Peak growing season
As of May 17, 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.
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.