Grand Rivers, Kentucky Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
Grand Rivers weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——85°63°—
- SaturdayJun 6Light Drizzle——88°66°+3°
- SundayJun 7Showers50%0.10″80°69°-8°
- MondayJun 8Showers74%—85°70°+5°
- TuesdayJun 9Light Showers50%—87°71°+2°
- WednesdayJun 10Thunderstorm36%—88°72°+1°
- ThursdayJun 11Thunderstorm13%—90°74°+2°
AQI 43 (Good), driven by Ozone. AQI down 22 over the last 6 hours — air quality is improving sharply. Ozone at AQI 32 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 10 by mid-afternoon.
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 32 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 10 by mid-afternoon.
- Present
- AQI 32
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 4.5 µg/m³, PM10 at 4.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:46 AM
- Moonset
- 3:07 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Grand Rivers at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: March 29 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 — Grand Rivers
SPC has placed Grand Rivers in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.