Summer Set, Missouri Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Summer Set weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast10%—82°67°—
- MondayAug 3Mostly Clear——87°65°+5°
- TuesdayAug 4Clear——93°65°+6°
- WednesdayAug 5Overcast——97°67°+4°
- ThursdayAug 6Drizzle28%—95°73°-2°
- FridayAug 7Drizzle27%—100°70°+5°
- SaturdayAug 8Overcast16%—101°72°+1°
AQI 31 (Good), driven by PM2.5. AQI projected to climb to 48 over the next 6 hours. PM2.5 at 11.7 µg/m³, PM10 at 11.9 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 during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 3.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 12.
- Present
- AQI 39
- UV peak
- 3.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 11.7 µg/m³, PM10 at 11.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- Wind
- breezy
- 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).








































Red sky at night, sailor's delight.
- Moonrise
- 9:46 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Summer Set at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 5 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
16-Day Forecast — Summer Set
- Sun82°67°10%
- Mon87°65°0%
- Tue93°65°0%
- Wed97°67°3%
- Thu95°73°28%
- Fri100°70°27%
- Sat101°72°16%
- Sun100°77°12%
- Mon101°77°6%
- Tue101°75°10%
- Wed101°72°16%
- Thu102°72°25%
- Fri105°73°19%
- Sat98°80°30%
- Sun99°71°33%
- Mon101°73°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of August 2, 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.
Sun & seasons in Summer Set
Summer Set sits in Jefferson County, where the year’s longest day runs 14h 49m of daylight and its shortest just 9h 31m — a swing of +5h 18m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
St. Louis, the state’s largest city, lies about 42 miles to the NNE. The nearest town Summer Set tracks is St. Louis, roughly 42 miles to the NNE.
Air quality in Summer Set’s county has held roughly steady since 2020; its cleanest year on record was 2024 (median AQI 40). See the full air-quality history for Summer Set.
ZIP codes in Summer Set
- 63020