Griffin, Indiana Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
Griffin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——84°62°—
- SaturdayJun 6Overcast16%—89°67°+5°
- SundayJun 7Showers31%0.29″80°69°-9°
- MondayJun 8Showers67%—87°71°+7°
- TuesdayJun 9Thunderstorm52%0.19″87°68°0°
- WednesdayJun 10Thunderstorm39%—88°71°+1°
- ThursdayJun 11Thunderstorm12%—93°75°+5°
AQI 46 (Good), driven by Ozone. AQI down 33 over the last 6 hours — air quality is improving sharply. Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 by mid-afternoon.
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 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 by mid-afternoon.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.92 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- light
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:47 AM
- Moonset
- 3:03 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Griffin at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: April 5 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 — Griffin
SPC has placed Griffin in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.