McComb, Ohio Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
McComb weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast18%—88°70°—
- SundayJul 5Heavy Rain41%4.5″80°70°-8°
- MondayJul 6Overcast33%—79°66°-1°
- TuesdayJul 7Light Drizzle——79°63°0°
- WednesdayJul 8Overcast——84°63°+5°
- ThursdayJul 9Light Drizzle40%—81°66°-3°
- FridayJul 10Light Drizzle46%—81°69°0°
AQI 39 (Good), driven by Ozone. Ozone at AQI 91 now. With UV 7.2 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 during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 91 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 88 around 1 PM.
- Present
- AQI 91
- UV peak
- 7.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 88
PM × Wind × Precip
PM2.5 at 9.5 µg/m³, PM10 at 10.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- 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
- 11:31 PM
- Moonset
- 10:39 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
McComb at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 45858
16-Day Forecast — McComb
- Sat88°70°18%
- Sun80°70°41%
- Mon79°66°33%
- Tue79°63°7%
- Wed84°63°5%
- Thu81°66°40%
- Fri81°69°46%
- Sat83°66°23%
- Sun75°60°10%
- Mon63°60°14%
- Tue75°61°14%
- Wed83°63°29%
- Thu84°67°32%
- Fri84°69°20%
- Sat84°68°29%
- Sun86°68°29%
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 — McComb
SPC has placed McComb 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 McComb
- 45858