Erin, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Erin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——92°69°—
- SundayJul 5Overcast26%—90°76°-2°
- MondayJul 6Overcast25%—91°69°+1°
- TuesdayJul 7Overcast11%—86°66°-5°
- WednesdayJul 8Overcast12%—92°64°+6°
- ThursdayJul 9Overcast14%—95°67°+3°
- FridayJul 10Light Drizzle48%—97°73°+2°
AQI 72 (Moderate), driven by PM2.5. AQI up 20 in the last 6 hours — air quality is degrading. PM2.5 at 10.5 µg/m³, PM10 at 11.1 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 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 0.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 10.5 µg/m³, PM10 at 11.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:40 PM
- Moonset
- 10:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Erin at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: March 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37061
16-Day Forecast — Erin
- Sat92°69°8%
- Sun90°76°26%
- Mon91°69°25%
- Tue86°66°11%
- Wed92°64°12%
- Thu95°67°14%
- Fri97°73°48%
- Sat84°69°48%
- Sun82°62°31%
- Mon80°58°13%
- Tue84°60°9%
- Wed88°62°26%
- Thu88°67°32%
- Fri91°69°42%
- Sat75°70°42%
- Sun77°68°48%
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 — Erin
SPC includes Erin in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Erin
- 37061