Weather StoryAlmanac, microseasons, and the day's weather story.

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

McComb, OH
Saturday, July 4 at 11:15 AM
83
°
Clear
Feels like
92°
Humidity
74%
Wind
8 mph
Sunrise
2:08 AM
Sunset
5:10 PM
McComb, OH
Hour by hour · 24h
24-Hour ForecastMcComb, OH: 24-hour forecast. Temperatures range from 70 to 88 degrees Fahrenheit with a 32% chance of precipitation at 6 AM.
L 70°H 88°
McComb, OH
7-day forecast
  1. Today
    Jul 4
    Overcast
    18%
    88°70°
  2. Sunday
    Jul 5
    Heavy Rain
    33%
    4.4″
    80°70°-8°
  3. Monday
    Jul 6
    Overcast
    33%
    79°66°-1°
  4. Tuesday
    Jul 7
    Light Drizzle
    79°63°
  5. Wednesday
    Jul 8
    Overcast
    84°63°+5°
  6. Thursday
    Jul 9
    Light Drizzle
    40%
    81°66°-3°
  7. Friday
    Jul 10
    Light Drizzle
    46%
    81°69°
McComb, OH
Anemometer · 24h winds · from true
NESW
From · True
SW
224° · backing 15°
Direction
SW
224°
Sustained
8
mph
Gust
11
mph
Peak 24h
18
avg 7
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 18 @ 7:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 167SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 15° from the sw.
McComb, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
988.0
-0.3 mb in 3h · steady · 29.18 inHg
Now
988.0
mb
3h
-0.3
mb
12h
-1.1
mb
24h
-3.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 987992
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW991.6987.3987.9
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
McComb, OH
Air quality
36
AQI
Good
-4 in 6hPeak ~77 @ 9 PM

AQI 36 (Good), driven by Ozone. Ozone at AQI 78 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 68 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 9 PM.

PM 2.5Good
9.1μg/m³
PM 10Good
10μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy SG
124μg/m³
UV IndexHigh
5.7

What's driving it

Ozone × UV × Sky

Ozone at AQI 78 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 68 around 1 PM.

Present
AQI 78
UV peak
6.6 at 1 PM
Sky at peak
clear
Projected peak
AQI 68

PM × Wind × Precip

PM2.5 at 9.1 µg/m³, PM10 at 9.9 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.92
Wind
light
Recent rain
0h in last 6h
Pattern
background
McComb, OH
Sky cover · visibility · 24h
Cloud cover
13%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
44.0mi
UNLIMITED
85 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
15:15 UTC · McComb, OH · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
15:15 UTC · McComb, OH · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
McComb, OH
Satellite · infrared · animated
McComb, OH
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
McComb, OH
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:35 AM
Sunrise
2:08 AM
Daylight
15h 02m
Sunset
5:10 PM
Civil dusk
9:45 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
McComb, OH
The moon
Waning Gibbous
81% illuminated
Moonrise
11:31 PM
Moonset
10:39 AM
In sign
♓︎ Pisces
McComb, OH
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

McComb at a glance

  • Today vs. normal: 12°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

  1. Sat88°70°18%
  2. Sun80°70°33%
  3. Mon79°66°33%
  4. Tue79°63°7%
  5. Wed84°63°5%
  6. Thu81°66°40%
  7. Fri81°69°46%
  8. Sat83°66°23%
  9. Sun75°60°10%
  10. Mon63°60°14%
  11. Tue75°61°14%
  12. Wed83°63°29%
  13. Thu84°67°32%
  14. Fri84°69°20%
  15. Sat84°68°29%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.