Millbury, Ohio Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Millbury weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle36%—89°70°—
- SundayJul 5Heavy Rain56%1.3″79°72°-10°
- MondayJul 6Overcast30%—78°69°-1°
- TuesdayJul 7Light Drizzle——79°66°+1°
- WednesdayJul 8Overcast——85°65°+6°
- ThursdayJul 9Light Drizzle31%—82°66°-3°
- FridayJul 10Light Drizzle31%—79°69°-3°
AQI 36 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 6.8 µg/m³ (AQI 38) with a 0.96 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 6.8 µg/m³ (AQI 38) with a 0.96 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 11:30 PM
- Moonset
- 10:36 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Millbury at a glance
- Today vs. normal: 3°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: 43447
16-Day Forecast — Millbury
- Sat89°70°36%
- Sun79°72°56%
- Mon78°69°30%
- Tue79°66°8%
- Wed85°65°8%
- Thu82°66°31%
- Fri79°69°31%
- Sat84°67°23%
- Sun75°63°19%
- Mon64°61°10%
- Tue77°59°15%
- Wed85°64°23%
- Thu87°68°42%
- Fri86°70°40%
- Sat87°68°20%
- Sun88°67°29%
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 — Millbury
SPC has placed Millbury 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 Millbury
- 43447