Grayson, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Grayson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast22%—92°71°—
- MondayJul 6Heavy Rain39%0.32″92°72°0°
- TuesdayJul 7Light Drizzle39%—96°69°+4°
- WednesdayJul 8Overcast15%—98°73°+2°
- ThursdayJul 9Overcast——98°75°0°
- FridayJul 10Partly Cloudy——99°74°+1°
- SaturdayJul 11Partly Cloudy21%—97°74°-2°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.6 µg/m³ (AQI 56) with a 0.92 fine-to-coarse ratio and 3 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
PM × Wind × Precip
PM2.5 at 11.6 µg/m³ (AQI 56) with a 0.92 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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
- 11:22 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Grayson at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: February 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 71435
15-Day Forecast — Grayson
- Sun92°71°22%
- Mon92°72°39%
- Tue96°69°39%
- Wed98°73°15%
- Thu98°75°8%
- Fri99°74°8%
- Sat97°74°21%
- Sun86°72°32%
- Mon96°71°28%
- Tue99°74°18%
- Wed101°75°13%
- Thu92°71°20%
- Fri94°74°30%
- Sat92°72°35%
- Sun89°72°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 has placed Grayson in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Grayson
- 71435