Richardson, Texas Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Richardson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——100°80°—
- SundayJul 5Light Showers17%0.05″102°74°+2°
- MondayJul 6Light Showers——99°74°-3°
- TuesdayJul 7Light Drizzle——101°76°+2°
- WednesdayJul 8Light Drizzle——103°78°+2°
- ThursdayJul 9Overcast——103°81°0°
- FridayJul 10Partly Cloudy——103°81°0°
AQI 46 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.8 µg/m³, PM10 at 10.7 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 7.8 µg/m³, PM10 at 10.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.73
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:13 PM
- Moonset
- 10:41 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Richardson 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: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 75080, 75081, 75082
15-Day Forecast — Richardson
- Sat100°79°2%
- Sun102°74°17%
- Mon99°74°9%
- Tue101°76°9%
- Wed103°78°3%
- Thu103°81°2%
- Fri103°81°4%
- Sat104°82°6%
- Sun105°84°8%
- Mon104°83°5%
- Tue106°85°6%
- Wed108°87°15%
- Thu109°87°19%
- Fri111°86°12%
- Sat114°90°17%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Richardson
Right now in the garden
Peak growing season
As of July 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 — Richardson
SPC includes Richardson in the general thunderstorm area today — no severe risk, but storms are possible.
- 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.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 185 of 365 · Wedge 37 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
The year in Richardson tops out in July (~85°F) and dips lowest in January (~46°F), with October wettest at 5.3 inches and July driest at 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
Drawing on NOAA NCEI 1991-2020 normals, Richardson's January averages 46°F and July 85°F — 39°F apart — while precipitation totals roughly 41.9 inches over some 57 days.
Richardson's precipitation spreads evenly: October peaks at 5.3 inches on 5.6 wet days, while July holds 2.2 inches over 3.5 — no month dominates Richardson's rain calendar. That lines Richardson up with places like Plano, TX, Garland, TX and Murphy, TX, fed by overlapping storm tracks.
Richardson rarely sees a hard freeze — its coldest month sits near 46°F — so planting spans most of the calendar. Heat peaks in July around 85°F, which confines cool-season crops to the shoulders of summer. Within Richardson, low or inland lots lose 3-5°F overnight versus Richardson's coastal ground.
Similar climates: Plano, TX, Garland, TX, Murphy, TX, Addison, TX, Sachse, TX.
Naturalist notes
By late May, female eastern bluebirds are likely feeding a second brood in nest boxes, their timing cued by lengthening days and steady insect emergence.
The waxing crescent moon of late spring hangs low in the western sky after sunset, its horns tilted northward as Venus climbs toward its June elongation.
Frequently asked
- When does it freeze in Richardson?
- In Richardson, expect the last spring frost near mid-March; Richardson's first autumn frost comes around mid-December.
- What is the rainy season in Richardson?
- Richardson sees its heaviest rain in October (around 5.3 inches), part of roughly 42 inches a year.
- What is the warmest month in Richardson?
- On average July tops the year in Richardson at about 85°F.
- What is the coldest month in Richardson?
- The coldest stretch in Richardson falls in January, around 46°F on average.
- When can I start a vegetable garden in Richardson?
- Hardy spring crops go in near mid-March in Richardson; tender peppers and squash wait 10–14 days.
- How many rainy days does Richardson get?
- Richardson records around 57 days of measurable precipitation annually.
- What hardiness zone is Richardson?
- Because Richardson bottoms near 46°F in January, that winter low sets Richardson's USDA zone — verify by ZIP.
- What is the 10-day forecast for Richardson?
- Richardson'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 Richardson?
- See this week's day-by-day rain chances for Richardson in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Richardson?
- Current conditions for Richardson and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Richardson forecast updated?
- The Richardson forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Richardson?
- Today's sunrise and sunset times for Richardson 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 Richardson?
- The next few days in Richardson's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The humid subtropical climate of Richardson, Texas carries typical Januarys near 46°F and Julys around 85°F — 39°F of seasonal travel.
Rain and snow bring Richardson roughly 42 inches a year across approximately 57 measurable-precipitation days.
From 33.0°N, Richardson sees a 39°F seasonal swing that governs Richardson's planting and frost windows.
ZIP codes in Richardson
- 75081
- 75080
- 75082
- 75045
- 75083
- 75085