Brentwood, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Brentwood weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—92°77°—
- SundayJul 5Heavy Drizzle25%0.04″85°73°-7°
- MondayJul 6Overcast——87°71°+2°
- TuesdayJul 7Clear——90°70°+3°
- WednesdayJul 8Partly Cloudy——97°69°+7°
- ThursdayJul 9Overcast36%—100°77°+3°
- FridayJul 10Thunderstorm38%—99°82°-1°
AQI 47 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 58 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 58 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 58
- UV peak
- 3.6 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 58
PM × Wind × Precip
PM2.5 at 10.3 µg/m³, PM10 at 11.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- 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
- 10:54 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Brentwood at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Brentwood
- Sat93°77°20%
- Sun85°73°25%
- Mon87°71°7%
- Tue90°70°2%
- Wed97°69°7%
- Thu100°77°36%
- Fri99°82°38%
- Sat84°71°29%
- Sun84°65°10%
- Mon86°65°6%
- Tue84°65°5%
- Wed91°64°11%
- Thu94°69°19%
- Fri96°74°19%
- Sat82°68°23%
- Sun77°69°29%
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 — Brentwood
SPC has placed Brentwood in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Brentwood
- 63144