Roan Mountain, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Roan Mountain weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast31%—84°66°—
- SundayJul 5Overcast28%—86°68°+2°
- MondayJul 6Thunderstorm83%0.24″86°66°0°
- TuesdayJul 7Light Showers42%—81°65°-5°
- WednesdayJul 8Light Drizzle18%—80°62°-1°
- ThursdayJul 9Overcast29%—86°63°+6°
- FridayJul 10Light Drizzle50%—86°65°0°
AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.89 fine-to-coarse ratio and 1 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 38 now. With UV 0.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 around 1 PM.
- Present
- AQI 38
- UV peak
- 0.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.89 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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
- 11:17 PM
- Moonset
- 10:37 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Roan Mountain at a glance
- Today vs. normal: 9°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: 37687
16-Day Forecast — Roan Mountain
- Sat84°66°31%
- Sun86°68°28%
- Mon86°66°83%
- Tue81°65°42%
- Wed80°62°18%
- Thu86°63°29%
- Fri86°65°50%
- Sat81°63°64%
- Sun68°59°51%
- Mon76°56°28%
- Tue82°59°19%
- Wed80°64°55%
- Thu82°65°50%
- Fri86°65°71%
- Sat84°65°84%
- Sun84°65°77%
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 — Roan Mountain
SPC has placed Roan Mountain in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- 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 Roan Mountain
- 37687