Grand Rivers, Kentucky Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Grand Rivers weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle11%0.02″91°71°—
- SundayJul 5Overcast38%—90°72°-1°
- MondayJul 6Light Showers13%0.06″85°69°-5°
- TuesdayJul 7Overcast——83°65°-2°
- WednesdayJul 8Clear15%—86°64°+3°
- ThursdayJul 9Overcast22%—91°66°+5°
- FridayJul 10Overcast50%—92°77°+1°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.9 µg/m³, PM10 at 11.3 µg/m³ — typical background levels with no transport signature.
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 46 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 1.7 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 9.9 µg/m³, PM10 at 11.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- breezy
- Recent rain
- 1h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:44 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Grand Rivers at a glance
- Today vs. normal: 4°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.
ZIP code: 42045
16-Day Forecast — Grand Rivers
- Sat91°71°11%
- Sun90°72°38%
- Mon85°69°13%
- Tue83°65°8%
- Wed86°64°15%
- Thu91°66°22%
- Fri92°77°50%
- Sat84°69°44%
- Sun79°62°26%
- Mon79°58°14%
- Tue82°62°8%
- Wed84°61°19%
- Thu85°65°39%
- Fri89°68°32%
- Sat80°69°36%
- Sun76°68°35%
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 — Grand Rivers
SPC has placed Grand Rivers 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 Grand Rivers
- 42045