Martinsville, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Martinsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——75°57°—
- TuesdayJun 16Overcast80%—81°55°+6°
- WednesdayJun 17Light Showers87%0.02″83°58°+2°
- ThursdayJun 18Showers87%0.18″73°58°-10°
- FridayJun 19Mostly Clear——70°55°-3°
- SaturdayJun 20Overcast——75°55°+5°
- SundayJun 21Drizzle39%0.04″74°61°-1°
AQI 28 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 4.5 µg/m³ (AQI 25) with a 0.96 fine-to-coarse ratio and 6 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.
What's driving it
PM × Wind × Precip
PM2.5 at 4.5 µg/m³ (AQI 25) with a 0.96 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:27 AM
- Moonset
- 8:35 PM
- In sign
- ♊︎ Gemini
Sun climbs to its northern throne
Martinsville at a glance
- Today vs. normal: 18°F below the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Martinsville
- Mon75°56°0%
- Tue81°55°80%
- Wed83°58°87%
- Thu73°58°87%
- Fri70°55°6%
- Sat75°55°7%
- Sun74°61°39%
- Mon75°61°43%
- Tue74°58°21%
- Wed81°61°14%
- Thu87°69°11%
- Fri89°75°32%
- Sat91°73°30%
- Sun93°75°32%
- Mon91°75°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3ENHEnhanced Risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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
- 62442