Martinsville, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Martinsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast24%—91°73°—
- SundayJul 5Rain54%0.24″87°71°-4°
- MondayJul 6Thunderstorm54%—82°68°-5°
- TuesdayJul 7Overcast18%—79°63°-3°
- WednesdayJul 8Light Drizzle19%—85°65°+6°
- ThursdayJul 9Thunderstorm42%—85°66°0°
- FridayJul 10Light Drizzle55%—78°69°-7°
AQI 56 (Moderate), driven by PM2.5. AQI projected to climb to 74 over the next 6 hours. PM2.5 at 12.9 µg/m³ (AQI 58) with a 0.92 fine-to-coarse ratio and 5 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 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 20 around 1 PM.
- Present
- AQI 38
- UV peak
- 4.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 20
PM × Wind × Precip
PM2.5 at 12.9 µg/m³ (AQI 58) 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:29 PM
- Moonset
- 10:41 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Martinsville at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 45146
16-Day Forecast — Martinsville
- Sat92°73°24%
- Sun87°71°54%
- Mon82°68°54%
- Tue79°63°18%
- Wed85°65°19%
- Thu85°66°42%
- Fri78°69°55%
- Sat84°65°30%
- Sun76°60°25%
- Mon70°54°13%
- Tue75°60°13%
- Wed82°64°23%
- Thu84°66°23%
- Fri85°69°19%
- Sat83°68°39%
- Sun85°70°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 — Martinsville
SPC has placed Martinsville 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 Martinsville
- 45146