Sweetwater, Tennessee Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Sweetwater weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Drizzle52%0.04″88°71°—
- MondayJul 6Rain29%0.28″88°69°0°
- TuesdayJul 7Light Showers36%—85°70°-3°
- WednesdayJul 8Heavy Drizzle15%—89°69°+4°
- ThursdayJul 9Light Drizzle20%—92°69°+3°
- FridayJul 10Drizzle48%—93°70°+1°
- SaturdayJul 11Thunderstorm65%—85°71°-8°
AQI 60 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.2 µg/m³ (AQI 40) with a 0.96 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant 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 39. Overcast through the UV peak window (cloud cover ~78%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 7.2 µg/m³ (AQI 40) with a 0.96 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.96
- 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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 12:19 AM
- Moonset
- 12:55 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Sweetwater at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 21 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 37874
16-Day Forecast — Sweetwater
- Sun88°71°52%
- Mon88°68°29%
- Tue85°70°36%
- Wed89°69°15%
- Thu92°69°20%
- Fri93°70°48%
- Sat85°71°65%
- Sun90°70°45%
- Mon87°69°29%
- Tue93°72°13%
- Wed92°69°12%
- Thu88°62°29%
- Fri95°65°32%
- Sat83°69°23%
- Sun83°68°29%
- Mon82°67°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Sweetwater
SPC includes Sweetwater 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 Sweetwater
- 37874