Plano, Texas Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Plano weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——89°72°—
- ThursdayJun 4Overcast17%—82°72°-7°
- FridayJun 5Showers24%—84°72°+2°
- SaturdayJun 6Heavy Drizzle51%0.01″87°72°+3°
- SundayJun 7Showers42%0.11″91°74°+4°
- MondayJun 8Showers37%—92°73°+1°
- TuesdayJun 9Overcast13%—94°76°+2°
Ozone at AQI 80. AQI flat over the last 6 hours (within ±3 points). Overcast through the UV peak window (cloud cover ~83%) — afternoon ozone should stay flat.
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 80. Overcast through the UV peak window (cloud cover ~83%) — afternoon ozone should stay flat.
- Present
- AQI 80
- UV peak
- 8.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 12.0 µg/m³, PM10 at 13.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- breezy
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:55 AM
- Moonset
- 1:50 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Plano at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 5 (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 3, 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 — Plano
SPC has placed Plano 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
July brings Plano's warmest temperatures (~85°F mean) while January delivers the coldest (~46°F). Rainfall reaches its peak in October (5.3 inches) and drops to its lowest point in July (2.2 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 46° | 2.8″ | 5 |
| February | 50° | 3.4″ | 5 |
| March | 58° | 3.6″ | 6 |
| April | 65° | 3.5″ | 5 |
| May | 73° | 5.2″ | 7 |
| June | 81° | 3.8″ | 5 |
| July | 85° | 2.2″ | 4 |
| August | 85° | 2.5″ | 4 |
| September | 77° | 3.3″ | 4 |
| October | 67° | 5.3″ | 6 |
| November | 56° | 3.0″ | 4 |
| December | 48° | 3.4″ | 4 |
Regional context
Plano belongs to a humid subtropical climate region that encompasses nearby cities with similar temperature ranges, seasonal patterns, and growing conditions.
Similar climates: Houston, TX, Dallas, TX, San Antonio, TX, Austin, TX, Fort Worth, TX.
Naturalist notes
By late May, mockingbirds establish their territories and begin their elaborate song cycles that continue through the breeding season.
Eastern redbuds finish their flowering period in early April, with heart-shaped leaves emerging as the pink blooms fade.
Frequently asked
- When does it freeze in Plano?
- The last spring frost in Plano typically occurs around mid-March, while the first fall frost arrives around mid-December.
- What is the rainy season in Plano?
- October ranks as the wettest month with about 5.3 inches of rain on average, contributing to the city's roughly 42 inches annually.
- What is the warmest month in Plano?
- July typically brings the warmest temperatures, averaging about 85°F.
- What is the coldest month in Plano?
- January typically delivers the coldest temperatures, averaging about 46°F.
- When can I start a vegetable garden in Plano?
- Cool-season crops (peas, lettuce) can be planted around the last spring frost (mid-March), while warm-season crops (tomatoes, peppers) should wait until 1–2 weeks after.
- How many rainy days does Plano get?
- Plano experiences about 57 rainy days per year on average.
- What hardiness zone is Plano?
- Plano's USDA hardiness zone depends on its lowest average winter temperature; the USDA's online lookup with the city ZIP provides the current zone designation.
Climate
Plano, Texas experiences a humid subtropical climate zone. Temperatures hover near 46°F in January while July averages 85°F, creating a 39°F seasonal swing.
Throughout the year, Plano receives about 42 inches of precipitation distributed across roughly 57 rainy days.
Latitude (33.1°N), proximity to large water bodies, and elevation determine the rhythm of each year. These factors shape what grows here, when frost is likely, and the daily weather patterns.