Corunna, Indiana Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Corunna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain48%1.2″85°70°—
- SundayJul 5Light Showers52%1.9″81°68°-4°
- MondayJul 6Drizzle34%—75°61°-6°
- TuesdayJul 7Overcast——80°60°+5°
- WednesdayJul 8Overcast——80°60°0°
- ThursdayJul 9Thunderstorm51%0.07″80°67°0°
- FridayJul 10Drizzle51%0.02″79°67°-1°
AQI 54 (Moderate), driven by Ozone. AQI up 19 in the last 6 hours — air quality is degrading. Ozone at AQI 58 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 58 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 58
- UV peak
- 0.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 58
PM × Wind × Precip
PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.90 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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
- 11:37 PM
- Moonset
- 10:44 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Corunna at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 46730
16-Day Forecast — Corunna
- Sat85°70°48%
- Sun81°68°52%
- Mon75°61°34%
- Tue80°60°5%
- Wed80°60°3%
- Thu80°67°51%
- Fri79°67°51%
- Sat73°60°24%
- Sun74°54°9%
- Mon72°53°9%
- Tue75°53°10%
- Wed78°60°27%
- Thu80°60°27%
- Fri80°66°35%
- Sat73°68°40%
- Sun76°63°53%
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 — Corunna
SPC has placed Corunna 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 Corunna
- 46730