Winchester, Tennessee Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Winchester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast15%—89°70°—
- SundayJul 5Rain34%0.34″88°72°-1°
- MondayJul 6Light Drizzle65%—82°71°-6°
- TuesdayJul 7Showers20%—85°69°+3°
- WednesdayJul 8Overcast13%—84°66°-1°
- ThursdayJul 9Partly Cloudy23%—88°67°+4°
- FridayJul 10Thunderstorm60%0.17″83°70°-5°
AQI 50 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 11.4 µg/m³ (AQI 55) with a 0.92 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 32. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 11.4 µg/m³ (AQI 55) with a 0.92 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:58 PM
- Moonset
- 10:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Winchester at a glance
- Today vs. normal: 78°F — typical for the season
- 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 code: 37398
16-Day Forecast — Winchester
- Sat89°70°15%
- Sun88°72°34%
- Mon82°71°65%
- Tue85°69°20%
- Wed84°66°13%
- Thu88°67°23%
- Fri83°70°60%
- Sat84°70°58%
- Sun70°65°37%
- Mon81°65°18%
- Tue83°66°20%
- Wed85°67°25%
- Thu79°69°58%
- Fri86°67°39%
- Sat82°72°49%
- Sun87°72°48%
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 — Winchester
SPC has placed Winchester 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 Winchester
- 37398