Marston, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Marston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast14%—92°71°—
- SundayJul 5Light Drizzle24%0.02″89°71°-3°
- MondayJul 6Light Showers41%—88°71°-1°
- TuesdayJul 7Overcast24%—87°68°-1°
- WednesdayJul 8Clear11%—90°66°+3°
- ThursdayJul 9Partly Cloudy16%—94°70°+4°
- FridayJul 10Overcast40%—94°78°0°
AQI 37 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 76 now. With UV 8.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 88 around 1 PM.
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 76 now. With UV 8.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 88 around 1 PM.
- Present
- AQI 76
- UV peak
- 8.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 88
PM × Wind × Precip
PM2.5 at 11.5 µg/m³, PM10 at 14.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.82
- 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
- 10:48 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Marston at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: March 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 63866
16-Day Forecast — Marston
- Sat92°71°14%
- Sun89°71°24%
- Mon88°71°41%
- Tue87°68°24%
- Wed90°66°11%
- Thu94°70°16%
- Fri94°78°40%
- Sat82°73°40%
- Sun82°65°16%
- Mon81°61°9%
- Tue83°65°8%
- Wed86°63°13%
- Thu86°66°16%
- Fri88°70°13%
- Sat82°70°26%
- Sun79°70°19%
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 — Marston
SPC has placed Marston in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Marston
- 63873
- 63866