Rochester, Kentucky Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Rochester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle16%0.02″89°66°—
- SundayJul 5Overcast34%—87°72°-2°
- MondayJul 6Rain14%0.10″83°70°-4°
- TuesdayJul 7Light Drizzle——82°67°-1°
- WednesdayJul 8Clear——85°65°+3°
- ThursdayJul 9Overcast27%—91°69°+6°
- FridayJul 10Heavy Drizzle52%—85°71°-6°
AQI 74 (Moderate), driven by PM2.5. AQI up 25 in the last 6 hours — air quality is degrading. PM2.5 at 8.1 µg/m³, PM10 at 8.5 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 40. Overcast through the UV peak window (cloud cover ~90%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 8.1 µg/m³, PM10 at 8.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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
- 11:03 PM
- Moonset
- 11:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Rochester at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: March 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 42273
16-Day Forecast — Rochester
- Sat89°66°16%
- Sun87°72°34%
- Mon83°70°14%
- Tue82°67°6%
- Wed85°65°9%
- Thu91°69°27%
- Fri85°71°52%
- Sat85°68°46%
- Sun76°64°24%
- Mon82°59°12%
- Tue86°64°9%
- Wed88°69°20%
- Thu81°68°26%
- Fri81°68°36%
- Sat90°72°39%
- Sun92°76°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — Rochester
SPC has placed Rochester 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 Rochester
- 42273