Mason, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mason weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast18%—93°72°—
- SundayJul 5Overcast25%—89°74°-4°
- MondayJul 6Thunderstorm21%—88°70°-1°
- TuesdayJul 7Overcast——86°68°-2°
- WednesdayJul 8Overcast——89°67°+3°
- ThursdayJul 9Light Drizzle15%—94°71°+5°
- FridayJul 10Clear37%—96°77°+2°
AQI 55 (Moderate), driven by Ozone. AQI up 26 in the last 6 hours — air quality is degrading. Ozone at AQI 68 — peak already passed at 1 PM under clear 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 68 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 68
- UV peak
- 2.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 68
PM × Wind × Precip
PM2.5 at 11.2 µg/m³, PM10 at 13.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.81
- Wind
- breezy
- 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
- 10:47 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Mason at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: March 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 38049
16-Day Forecast — Mason
- Sat93°72°18%
- Sun89°74°25%
- Mon88°70°21%
- Tue86°68°8%
- Wed89°67°7%
- Thu94°71°15%
- Fri96°77°37%
- Sat84°74°37%
- Sun79°65°24%
- Mon79°61°10%
- Tue82°62°10%
- Wed85°64°21%
- Thu84°69°29%
- Fri89°70°45%
- Sat86°71°27%
- Sun75°69°26%
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 — Mason
SPC has placed Mason in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Mason
- 38049