Decatur, Texas Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Decatur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——87°68°—
- ThursdayJun 4Overcast——85°69°-2°
- FridayJun 5Showers39%—82°70°-3°
- SaturdayJun 6Showers62%0.09″86°70°+4°
- SundayJun 7Showers53%0.02″91°70°+5°
- MondayJun 8Showers27%—90°72°-1°
- TuesdayJun 9Overcast——91°74°+1°
Ozone at AQI 110 — peak already passed at 1 PM under clear skies. AQI up 22 in the last 6 hours — air quality is degrading. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 110 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 110
- UV peak
- 2.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 110
PM × Wind × Precip
PM2.5 at 10.9 µg/m³, PM10 at 12.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.86
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:59 AM
- Moonset
- 1:53 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Decatur at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: March 6 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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 General Thunderstorms category for severe thunderstorms today.
- 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.