Plano, Texas Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Plano weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Clear——97°74°—
- MondayAug 3Clear——100°73°+3°
- TuesdayAug 4Overcast——106°81°+6°
- WednesdayAug 5Overcast——106°85°0°
- ThursdayAug 6Overcast——103°83°-3°
- FridayAug 7Light Drizzle——101°84°-2°
- SaturdayAug 8Light Drizzle——102°81°+1°
AQI 46 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.99 fine-to-coarse ratio and 6 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
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 3.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 17.
- Present
- AQI 38
- UV peak
- 3.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.99 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.99
- 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).
Red sky at night, sailor's delight.
- Moonrise
- 10:09 PM
- Moonset
- 10:32 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Plano at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: March 5 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 75023, 75024, 75025, 75074, 75075, 75093, 75094
16-Day Forecast — Plano
- Sun97°74°0%
- Mon100°73°0%
- Tue106°81°1%
- Wed106°85°2%
- Thu103°83°2%
- Fri101°84°6%
- Sat102°81°7%
- Sun100°79°4%
- Mon93°74°3%
- Tue100°78°4%
- Wed102°81°4%
- Thu103°82°5%
- Fri103°82°13%
- Sat104°82°13%
- Sun104°83°16%
- Mon104°83°16%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Plano
Right now in the garden
Peak growing season
As of August 2, 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.
Sun & seasons in Plano
Plano sits in Collin 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 Plano tracks is Frisco, roughly 8 miles to the NNW.
Air quality in Plano’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 37). See the full air-quality history for Plano.
Microseason · August 1–5
Dusk arrives one minute earlier each night
Sunset slides back toward 8 PM; darkness creeps in, signaling summer's decline though heat persists.
Day 214 of 365 · Wedge 43 of 72
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
Plano's warmest month is July (~85°F mean) and its coldest is January (~46°F). Rainfall peaks in October (5.3 inches) and bottoms out 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
In Plano, 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 57 rainy or snowy days.
No season owns Plano's rain: October reaches 5.3 inches across 5.6 days and July keeps 2.2 inches on 3.5, an even spread through Plano's year. It is a balanced pattern Plano shares with places like Richardson, TX, Allen, TX and Parker, TX.
With a coldest-month mean of 46°F, Plano stays mostly frost-free and grows year-round. The July peak near 85°F is Plano's real limit, pushing cool-season vegetables to spring and fall. Within Plano, low or inland lots lose 3-5°F overnight versus Plano's coastal ground.
Similar climates: Richardson, TX, Allen, TX, Parker, TX, Hebron, TX, Addison, 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?
- In Plano, expect the last spring frost near mid-March; Plano's first autumn frost comes around mid-December.
- What is the rainy season in Plano?
- Plano sees its heaviest rain in October (around 5.3 inches), part of roughly 42 inches a year.
- What is the warmest month in Plano?
- July is Plano's warmest month, averaging about 85°F.
- What is the coldest month in Plano?
- Plano bottoms out in January, with a mean near 46°F.
- When can I start a vegetable garden in Plano?
- Plano's last frost (mid-March) cues hardy greens; in Plano, hold heat-lovers two weeks past.
- How many rainy days does Plano get?
- Plano averages about 57 days with measurable rain or snow each year.
- What hardiness zone is Plano?
- Plano's hardiness zone tracks its winter low; with January near 46°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Plano?
- Plano'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 Plano?
- See this week's day-by-day rain chances for Plano in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Plano?
- Current conditions for Plano and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Plano forecast updated?
- The Plano forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Plano?
- Today's sunrise and sunset times for Plano 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 Plano?
- The next few days in Plano's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Plano, Texas has a humid subtropical climate: January averages roughly 46°F, July about 85°F, 39°F between them.
Yearly precipitation in Plano totals around 42 inches, spread over about 57 days of rain or snow.
Latitude 33.1°N gives Plano its 39°F swing, and with it the rhythm of Plano's growing season.
ZIP codes in Plano
- 75093
- 75023
- 75025
- 75024
- 75074
- 75075
- 75026
- 75086