Markham, Texas Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Markham weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——91°77°—
- SundayJul 5Overcast——91°77°0°
- MondayJul 6Partly Cloudy13%—95°76°+4°
- TuesdayJul 7Overcast12%—95°76°0°
- WednesdayJul 8Clear——94°76°-1°
- ThursdayJul 9Clear——93°78°-1°
- FridayJul 10Clear——93°77°0°
AQI 32 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.61 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm 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
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.61 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.61
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:05 PM
- Moonset
- 10:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Markham at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: February 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 77456
16-Day Forecast — Markham
- Sat91°77°2%
- Sun91°77°5%
- Mon95°76°13%
- Tue95°76°12%
- Wed94°76°3%
- Thu93°78°3%
- Fri93°77°9%
- Sat94°77°12%
- Sun96°77°17%
- Mon95°76°22%
- Tue96°77°12%
- Wed95°77°13%
- Thu92°81°23%
- Fri89°79°17%
- Sat94°78°23%
- Sun96°78°32%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Markham
SPC includes Markham in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- 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.
ZIP codes in Markham
- 77456