Knoxville, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Knoxville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain64%1.1″83°70°—
- MondayJul 6Heavy Rain40%2.6″72°65°-11°
- TuesdayJul 7Overcast64%—70°60°-2°
- WednesdayJul 8Light Drizzle15%—78°58°+8°
- ThursdayJul 9Overcast44%—86°61°+8°
- FridayJul 10Drizzle56%—72°59°-14°
- SaturdayJul 11Overcast26%—75°55°+3°
AQI 45 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 47 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 47 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 47
- UV peak
- 3.1 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 47
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
- 11:28 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Knoxville at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16928
16-Day Forecast — Knoxville
- Sun83°70°64%
- Mon72°65°40%
- Tue70°60°64%
- Wed78°58°15%
- Thu86°61°44%
- Fri72°59°56%
- Sat75°55°26%
- Sun68°59°15%
- Mon71°62°19%
- Tue62°58°21%
- Wed68°57°25%
- Thu76°56°32%
- Fri83°57°40%
- Sat76°59°35%
- Sun79°60°39%
- Mon74°61°36%
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 — Knoxville
SPC includes Knoxville in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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.
ZIP codes in Knoxville
- 16928