St. Robert, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. Robert weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast48%—92°73°—
- SundayJul 5Overcast35%—88°69°-4°
- MondayJul 6Mostly Clear16%—89°67°+1°
- TuesdayJul 7Clear12%—90°63°+1°
- WednesdayJul 8Clear——94°66°+4°
- ThursdayJul 9Overcast16%—98°73°+4°
- FridayJul 10Overcast45%—91°75°-7°
AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.8 µg/m³, PM10 at 12.2 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
Ozone × UV × Sky
Ozone at AQI 42 now. With UV 8.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 32 around 1 PM.
- Present
- AQI 42
- UV peak
- 8.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 32
PM × Wind × Precip
PM2.5 at 9.8 µg/m³, PM10 at 12.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.80
- 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
- 11:00 PM
- Moonset
- 10:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
St. Robert at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Robert
- Sat92°73°48%
- Sun88°69°35%
- Mon89°67°16%
- Tue90°63°12%
- Wed94°66°7%
- Thu98°73°16%
- Fri91°75°45%
- Sat84°65°23%
- Sun82°59°9%
- Mon82°57°6%
- Tue83°58°5%
- Wed85°61°8%
- Thu89°62°10%
- Fri89°66°13%
- Sat79°66°19%
- Sun77°65°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 — St. Robert
SPC has placed St. Robert 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 St. Robert
- 65584