Marion, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Marion weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle54%0.02″91°71°—
- SundayJul 5Drizzle29%0.03″83°69°-8°
- MondayJul 6Thunderstorm36%0.03″76°66°-7°
- TuesdayJul 7Clear——80°58°+4°
- WednesdayJul 8Partly Cloudy——81°61°+1°
- ThursdayJul 9Thunderstorm46%—80°68°-1°
- FridayJul 10Drizzle45%—79°70°-1°
AQI 45 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 96 now. With UV 8.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 102 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 96 now. With UV 8.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 102 around 1 PM.
- Present
- AQI 96
- UV peak
- 8.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 102
PM × Wind × Precip
PM2.5 at 12.5 µg/m³, PM10 at 13.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- light
- 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
- 11:38 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Marion at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Marion
- Sat91°71°54%
- Sun83°69°29%
- Mon76°66°36%
- Tue80°58°6%
- Wed81°61°6%
- Thu80°68°46%
- Fri79°70°45%
- Sat74°62°29%
- Sun73°55°12%
- Mon74°55°13%
- Tue75°54°14%
- Wed78°59°23%
- Thu81°59°23%
- Fri81°65°35%
- Sat74°69°39%
- Sun75°66°52%
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 — Marion
SPC has placed Marion 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 Marion
- 46953
- 46952