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

Graysville, Ohio Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Graysville weather forecast — hour by hour, 7-day outlook, NOAA radar

Graysville, OH
Saturday, July 4 at 9:31 AM
83
°
Clear
Feels like
91°
Humidity
75%
Wind
5 mph
Sunrise
2:02 AM
Sunset
4:55 PM
Graysville, OH
Hour by hour · 24h
24-Hour ForecastGraysville, OH: 24-hour forecast. Temperatures range from 72 to 95 degrees Fahrenheit with a 27% chance of precipitation at 6 PM.
L 72°H 95°
Graysville, OH
7-day forecast
  1. Today
    Jul 4
    Overcast
    27%
    95°71°
  2. Sunday
    Jul 5
    Overcast
    67%
    92°72°-3°
  3. Monday
    Jul 6
    T-storm w/ Hail
    72%
    87°64°-5°
  4. Tuesday
    Jul 7
    Foggy
    25%
    82°63°-5°
  5. Wednesday
    Jul 8
    Overcast
    14%
    90°62°+8°
  6. Thursday
    Jul 9
    Light Drizzle
    52%
    91°68°+1°
  7. Friday
    Jul 10
    T-storm w/ Hail
    53%
    77°67°-14°
Graysville, OH
Anemometer · 24h winds · from true
NESW
From · True
SW
227° · backing 30°
Direction
SW
227°
Sustained
5
mph
Gust
9
mph
Peak 24h
15
avg 4
Beaufort · 2 · LIGHT 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 4 · pk 15 @ 12:00a
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 315SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 30° from the sw.
Graysville, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
979.7
+1.5 mb in 3h · rising · 28.93 inHg
Now
979.7
mb
3h
+1.5
mb
12h
+0.3
mb
24h
-2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 978982
970975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW982.4978.1979.6
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Graysville, OH
Air quality
46
AQI
Good
-5 in 6hPeak ~75 @ 8 PM

AQI 46 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 46 now. With UV 4.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 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 8 PM.

PM 2.5Good
5.3μg/m³
PM 10Good
6μg/m³
NO₂Good
4μg/m³
OzoneDRIVERModerate
97μg/m³
UV IndexModerate
2.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 46 now. With UV 4.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 around 1 PM.

Present
AQI 46
UV peak
4.8 at 1 PM
Sky at peak
clear
Projected peak
AQI 29

PM × Wind × Precip

PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.96
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Graysville, OH
Sky cover · visibility · 24h
Cloud cover
3%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
42.4mi
UNLIMITED
65 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
13:31 UTC · Graysville, 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
13:31 UTC · Graysville, OH · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Graysville, OH
Satellite · infrared · animated
Graysville, OH
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Graysville, OH
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:30 AM
Sunrise
2:02 AM
Daylight
14h 53m
Sunset
4:55 PM
Civil dusk
9:29 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Graysville, OH
The moon
Waning Gibbous
81% illuminated
Moonrise
11:18 PM
Moonset
10:29 AM
In sign
♓︎ Pisces
Graysville, OH
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Graysville at a glance

  • Today vs. normal: 11°F above the seasonal normal for this latitude
  • Last frost: April 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 45734

16-Day Forecast — Graysville

  1. Sat95°71°27%
  2. Sun92°72°67%
  3. Mon87°64°72%
  4. Tue82°63°25%
  5. Wed90°62°14%
  6. Thu91°68°52%
  7. Fri77°67°53%
  8. Sat91°67°41%
  9. Sun77°62°27%
  10. Mon76°57°13%
  11. Tue83°57°14%
  12. Wed90°63°23%
  13. Thu92°67°26%
  14. Fri92°69°20%
  15. Sat84°69°26%
  16. Sun90°67°26%

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 — Graysville

SPC has placed Graysville in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

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 Graysville

  • 45734

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.