Decatur, Alabama Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Decatur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——93°71°—
- SundayJul 5Light Rain25%0.13″92°73°-1°
- MondayJul 6Thunderstorm69%—89°70°-3°
- TuesdayJul 7Drizzle19%—86°71°-3°
- WednesdayJul 8Partly Cloudy10%—89°69°+3°
- ThursdayJul 9Overcast23%—91°71°+2°
- FridayJul 10Light Drizzle51%—93°73°+2°
AQI 86 (Moderate), driven by Ozone. AQI up 45 in the last 6 hours — air quality is degrading. Ozone at AQI 83 — peak already passed at 1 PM under partly cloudy 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 83 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 83
- UV peak
- 0.6 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 83
PM × Wind × Precip
PM2.5 at 15.0 µg/m³ (AQI 62) with a 0.79 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.79
- 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
- 10:35 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Decatur at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: March 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 35601, 35603
16-Day Forecast — Decatur
- Sat93°71°5%
- Sun92°73°25%
- Mon89°70°69%
- Tue86°71°19%
- Wed89°69°10%
- Thu91°71°23%
- Fri93°73°51%
- Sat84°73°43%
- Sun84°67°30%
- Mon80°61°17%
- Tue82°62°17%
- Wed86°65°30%
- Thu81°71°39%
- Fri91°70°61%
- Sat83°71°53%
- Sun84°70°44%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Decatur
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 — Decatur
SPC has placed Decatur in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- 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 Decatur
- 35603
- 35601
- 35602
- 35609