Cairo, Ohio Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Cairo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——82°48°—
- ThursdayJun 4Overcast——85°55°+3°
- FridayJun 5Light Drizzle15%—81°63°-4°
- SaturdayJun 6Drizzle75%—77°65°-4°
- SundayJun 7Drizzle68%—78°63°+1°
- MondayJun 8Overcast——84°59°+6°
- TuesdayJun 9Light Drizzle16%—83°67°-1°
Ozone at AQI 500. AQI up 26 in the last 6 hours — air quality is degrading. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
- Present
- AQI 500
- UV peak
- 0.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 60
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).










































The higher the clouds, the finer the weather.
- Moonrise
- 3:31 AM
- Moonset
- 12:30 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Cairo at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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 General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.