Jacksonville, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Jacksonville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast23%—97°73°—
- SundayJul 5Heavy Rain67%0.41″93°72°-4°
- MondayJul 6T-storm w/ Hail67%—88°69°-5°
- TuesdayJul 7Overcast17%—86°65°-2°
- WednesdayJul 8Overcast14%—93°65°+7°
- ThursdayJul 9Overcast47%—91°67°-2°
- FridayJul 10Thunderstorm52%—82°69°-9°
AQI 38 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 80 now. With UV 5.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 60 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 80 now. With UV 5.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 60 around 1 PM.
- Present
- AQI 80
- UV peak
- 5.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 60
PM × Wind × Precip
PM2.5 at 7.4 µg/m³ (AQI 41) with a 0.89 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:22 PM
- Moonset
- 10:33 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Jacksonville at a glance
- Today vs. normal: 15°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: 45740
16-Day Forecast — Jacksonville
- Sat97°73°23%
- Sun93°72°67%
- Mon88°69°67%
- Tue86°65°17%
- Wed93°65°14%
- Thu91°67°47%
- Fri82°69°52%
- Sat92°67°43%
- Sun78°63°29%
- Mon72°57°12%
- Tue83°60°12%
- Wed88°66°20%
- Thu94°68°20%
- Fri94°70°17%
- Sat85°70°27%
- Sun91°69°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 — Jacksonville
SPC has placed Jacksonville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Jacksonville
- 45740
- 45732