Watertown, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Watertown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast16%—91°70°—
- SundayJul 5Overcast20%—91°75°0°
- MondayJul 6Light Drizzle57%—89°69°-2°
- TuesdayJul 7Light Drizzle31%—83°65°-6°
- WednesdayJul 8Overcast30%—88°65°+5°
- ThursdayJul 9Overcast34%—93°66°+5°
- FridayJul 10Light Drizzle58%—96°72°+3°
AQI 47 (Good), driven by Ozone. AQI up 17 in the last 6 hours — air quality is degrading. Ozone at AQI 96 now. With UV 8.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 104 around 1 PM.
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 96 now. With UV 8.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 104 around 1 PM.
- Present
- AQI 96
- UV peak
- 8.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 104
PM × Wind × Precip
PM2.5 at 11.5 µg/m³ (AQI 55) with a 0.87 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- Wind
- light
- 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
- 10:34 PM
- Moonset
- 9:54 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Watertown at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: March 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37184
16-Day Forecast — Watertown
- Sat91°70°16%
- Sun91°75°20%
- Mon89°69°57%
- Tue83°65°31%
- Wed88°65°30%
- Thu93°66°34%
- Fri96°72°58%
- Sat81°71°46%
- Sun80°60°36%
- Mon80°55°13%
- Tue84°58°13%
- Wed89°60°29%
- Thu87°68°45%
- Fri91°68°48%
- Sat86°70°48%
- Sun85°69°49%
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 — Watertown
SPC has placed Watertown 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 Watertown
- 37184