Graysville, Alabama Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Graysville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast43%—80°71°—
- MondayAug 3Partly Cloudy13%—85°69°+5°
- TuesdayAug 4Thunderstorm30%—86°68°+1°
- WednesdayAug 5Overcast14%—95°70°+9°
- ThursdayAug 6Light Drizzle18%—97°72°+2°
- FridayAug 7Light Drizzle28%—95°72°-2°
- SaturdayAug 8Light Drizzle27%—96°71°+1°
AQI 44 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.2 µg/m³ (AQI 57) with a 0.99 fine-to-coarse ratio and 6 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 during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 5.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19.
- Present
- AQI 38
- UV peak
- 5.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 12.2 µg/m³ (AQI 57) with a 0.99 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.99
- 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).
Red sky at night, sailor's delight.
- Moonrise
- 9:30 PM
- Moonset
- 9:52 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Graysville at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 9 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP code: 35073
16-Day Forecast — Graysville
- Sun80°71°43%
- Mon85°69°13%
- Tue86°68°30%
- Wed95°70°14%
- Thu97°72°18%
- Fri95°72°28%
- Sat96°71°27%
- Sun96°76°26%
- Mon96°75°27%
- Tue98°74°24%
- Wed100°74°22%
- Thu96°74°36%
- Fri99°74°33%
- Sat98°72°33%
- Sun99°73°33%
- Mon92°72°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of August 2, 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 — Graysville
SPC includes Graysville in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- 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.
Sun & seasons in Graysville
Graysville sits in Jefferson County, where the year’s longest day runs 14h 23m of daylight and its shortest just 9h 55m — a swing of +4h 29m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Birmingham, the state’s largest city, lies about 13 miles to the SE. The nearest town Graysville tracks is Birmingham, roughly 13 miles to the SE.
Air quality in Graysville’s county has trended dirtier since 2020; its cleanest year on record was 2025 (median AQI 52). See the full air-quality history for Graysville.
ZIP codes in Graysville
- 35117
- 35073