Millersburg, Indiana Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Millersburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain58%2.6″84°69°—
- SundayJul 5Rain39%0.24″80°71°-4°
- MondayJul 6Overcast25%—80°64°0°
- TuesdayJul 7Overcast——81°59°+1°
- WednesdayJul 8Overcast——83°64°+2°
- ThursdayJul 9Thunderstorm48%0.02″80°65°-3°
- FridayJul 10Overcast44%—79°66°-1°
AQI 37 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 47 now. With UV 3.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 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 47 now. With UV 3.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 47
- UV peak
- 3.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 6.9 µg/m³ (AQI 38) with a 0.95 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:40 PM
- Moonset
- 10:46 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Millersburg at a glance
- Today vs. normal: 10°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: 46543
16-Day Forecast — Millersburg
- Sat84°69°58%
- Sun80°71°39%
- Mon80°64°25%
- Tue81°59°3%
- Wed83°64°4%
- Thu80°65°48%
- Fri79°66°44%
- Sat82°63°16%
- Sun69°60°11%
- Mon73°59°10%
- Tue76°59°11%
- Wed82°61°23%
- Thu84°66°26%
- Fri78°69°23%
- Sat84°67°20%
- Sun88°67°32%
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 — Millersburg
SPC has placed Millersburg 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 Millersburg
- 46543