Sewanee, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sewanee weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle10%0.02″84°68°—
- SundayJul 5Drizzle33%0.04″85°70°+1°
- MondayJul 6Thunderstorm66%—82°67°-3°
- TuesdayJul 7Overcast21%—82°65°0°
- WednesdayJul 8Overcast17%—82°61°0°
- ThursdayJul 9Overcast26%—86°62°+4°
- FridayJul 10Drizzle60%—85°67°-1°
AQI 59 (Moderate), driven by Ozone. AQI up 19 in the last 6 hours — air quality is degrading. Ozone at AQI 56 — peak already passed at 1 PM under partly cloudy 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 56 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 56
- UV peak
- 1.8 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 56
PM × Wind × Precip
PM2.5 at 10.8 µg/m³, PM10 at 12.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.86
- Wind
- calm
- 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
- 10:32 PM
- Moonset
- 9:54 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Sewanee at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 37375, 37383
16-Day Forecast — Sewanee
- Sat84°68°10%
- Sun85°70°33%
- Mon82°67°66%
- Tue82°65°21%
- Wed82°61°17%
- Thu86°62°26%
- Fri85°67°60%
- Sat76°65°57%
- Sun74°58°35%
- Mon75°52°17%
- Tue79°55°20%
- Wed82°60°40%
- Thu76°64°39%
- Fri85°65°71%
- Sat79°66°65%
- Sun77°65°58%
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 — Sewanee
SPC has placed Sewanee in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- 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 Sewanee
- 37375
- 37383