Cairo, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cairo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast16%—88°71°—
- SundayJul 5Rain26%0.16″85°68°-3°
- MondayJul 6Light Drizzle22%—85°68°0°
- TuesdayJul 7Clear——84°66°-1°
- WednesdayJul 8Overcast——88°65°+4°
- ThursdayJul 9Light Showers35%—88°70°0°
- FridayJul 10Thunderstorm39%0.08″88°69°0°
AQI 42 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 9.4 µg/m³, PM10 at 11.6 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 44 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 36 around 1 PM.
- Present
- AQI 44
- UV peak
- 6.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 36
PM × Wind × Precip
PM2.5 at 9.4 µg/m³, PM10 at 11.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.81
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:03 PM
- Moonset
- 10:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Cairo at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 65239
16-Day Forecast — Cairo
- Sat88°71°16%
- Sun85°68°26%
- Mon85°68°22%
- Tue84°66°2%
- Wed88°65°7%
- Thu88°70°35%
- Fri88°69°39%
- Sat87°71°18%
- Sun76°60°6%
- Mon77°56°4%
- Tue80°60°8%
- Wed82°64°13%
- Thu82°64°16%
- Fri82°66°13%
- Sat84°69°13%
- Sun87°71°13%
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 — Cairo
SPC has placed Cairo 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 Cairo
- 65239