Grayson, Georgia Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Grayson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle20%0.01″96°72°—
- SundayJul 5Overcast25%—97°76°+1°
- MondayJul 6Light Showers45%0.03″93°73°-4°
- TuesdayJul 7Thunderstorm30%—91°72°-2°
- WednesdayJul 8T-storm w/ Hail16%—88°69°-3°
- ThursdayJul 9Light Showers21%—92°69°+4°
- FridayJul 10Light Drizzle21%—93°74°+1°
AQI 66 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 23.1 µg/m³ (AQI 77) with a 0.86 fine-to-coarse ratio and 6 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 during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 58 now. With UV 5.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 42 around 1 PM.
- Present
- AQI 58
- UV peak
- 5.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 42
PM × Wind × Precip
PM2.5 at 23.1 µg/m³ (AQI 77) with a 0.86 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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
- 11:22 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Grayson at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 30017
16-Day Forecast — Grayson
- Sat96°72°20%
- Sun97°76°25%
- Mon93°73°45%
- Tue91°72°30%
- Wed88°69°16%
- Thu92°69°21%
- Fri93°74°21%
- Sat93°73°32%
- Sun91°72°21%
- Mon85°69°12%
- Tue75°65°11%
- Wed79°64°24%
- Thu87°62°32%
- Fri73°70°31%
- Sat83°68°35%
- Sun91°70°34%
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 — Grayson
SPC includes Grayson 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 Grayson
- 30017