Massac, Kentucky Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Massac weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——91°70°—
- SundayJul 5Overcast20%—86°73°-5°
- MondayJul 6Overcast36%—86°70°0°
- TuesdayJul 7Overcast17%—85°65°-1°
- WednesdayJul 8Clear21%—87°64°+2°
- ThursdayJul 9Overcast19%—92°67°+5°
- FridayJul 10Overcast46%—93°78°+1°
AQI 55 (Moderate), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 61 now. With UV 7.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 40 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 61 now. With UV 7.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 40 around 1 PM.
- Present
- AQI 61
- UV peak
- 7.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 11.2 µg/m³ (AQI 55) with a 0.84 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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
- 10:45 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Massac at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: March 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Massac
- Sat91°70°8%
- Sun86°71°20%
- Mon86°70°36%
- Tue85°65°17%
- Wed87°64°21%
- Thu92°67°19%
- Fri93°78°46%
- Sat86°69°33%
- Sun80°63°20%
- Mon79°58°10%
- Tue82°61°7%
- Wed85°61°16%
- Thu85°65°26%
- Fri88°68°32%
- Sat80°68°33%
- Sun76°68°39%
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 — Massac
SPC has placed Massac 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 Massac
- 42001