Collinsville, Texas Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Collinsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Partly Cloudy——96°72°—
- TuesdayJul 7Drizzle12%0.03″97°75°+1°
- WednesdayJul 8Overcast——102°74°+5°
- ThursdayJul 9Overcast——101°81°-1°
- FridayJul 10Overcast——98°79°-3°
- SaturdayJul 11Partly Cloudy——93°77°-5°
- SundayJul 12Overcast12%—95°73°+2°
AQI 55 (Moderate), driven by Ozone. Ozone at AQI 108 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 127.
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 108 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 127.
- Present
- AQI 108
- UV peak
- 8.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 127
PM × Wind × Precip
PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.88 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- calm
- 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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 12:09 AM
- Moonset
- 12:46 PM
- In sign
- ♈︎ Aries
Thunderheads boil and break at dusk
Collinsville at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: March 8 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 76233
16-Day Forecast — Collinsville
- Mon96°72°8%
- Tue97°75°12%
- Wed102°74°6%
- Thu101°81°0%
- Fri98°79°1%
- Sat93°77°5%
- Sun95°73°12%
- Mon99°76°11%
- Tue103°79°5%
- Wed105°81°3%
- Thu106°80°3%
- Fri105°74°10%
- Sat83°71°13%
- Sun89°66°19%
- Mon83°71°11%
- Tue77°71°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Collinsville
SPC includes Collinsville in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Collinsville
- 76233