Sylva, North Carolina Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sylva weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain22%0.08″93°68°—
- SundayJul 5Rain33%0.13″91°70°-2°
- MondayJul 6Drizzle84%0.02″89°67°-2°
- TuesdayJul 7Thunderstorm63%—82°64°-7°
- WednesdayJul 8T-storm w/ Hail52%—82°65°0°
- ThursdayJul 9Thunderstorm48%—79°66°-3°
- FridayJul 10Drizzle56%0.02″87°66°+8°
AQI 43 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 16.4 µg/m³ (AQI 65) with a 0.77 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 58 now. With UV 7.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 56 around 1 PM.
- Present
- AQI 58
- UV peak
- 7.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 56
PM × Wind × Precip
PM2.5 at 16.4 µg/m³ (AQI 65) with a 0.77 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- 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
- 11:21 PM
- Moonset
- 10:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Sylva at a glance
- Today vs. normal: 8°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: 28779
16-Day Forecast — Sylva
- Sat93°68°22%
- Sun91°70°33%
- Mon89°67°84%
- Tue82°64°63%
- Wed82°65°52%
- Thu79°66°48%
- Fri87°66°56%
- Sat85°66°53%
- Sun85°65°36%
- Mon82°63°21%
- Tue81°59°19%
- Wed75°63°49%
- Thu85°60°53%
- Fri76°67°48%
- Sat73°67°68%
- Sun82°66°65%
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 — Sylva
SPC includes Sylva 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 Sylva
- 28779