Picayune, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Picayune weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Rain41%0.09″90°75°—
- MondayJul 6Overcast19%—89°73°-1°
- TuesdayJul 7Thunderstorm52%—94°74°+5°
- WednesdayJul 8Heavy Drizzle34%—96°74°+2°
- ThursdayJul 9Drizzle14%—96°75°0°
- FridayJul 10Drizzle22%—95°75°-1°
- SaturdayJul 11Light Drizzle43%—95°74°0°
AQI 65 (Moderate), driven by Ozone. Ozone at AQI 98 now. With UV 2.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 26 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 98 now. With UV 2.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 26 around 1 PM.
- Present
- AQI 98
- UV peak
- 2.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 12.9 µg/m³, PM10 at 13.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- breezy
- Recent rain
- 1h 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:11 PM
- Moonset
- 11:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Picayune at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: February 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 39466
16-Day Forecast — Picayune
- Sun90°75°41%
- Mon89°73°19%
- Tue94°74°52%
- Wed96°74°34%
- Thu96°75°14%
- Fri95°75°22%
- Sat95°74°43%
- Sun87°73°56%
- Mon92°72°64%
- Tue99°76°29%
- Wed100°70°29%
- Thu100°79°40%
- Fri97°80°28%
- Sat90°75°41%
- Sun95°71°26%
- Mon97°75°27%
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 — Picayune
SPC has placed Picayune 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 Picayune
- 39466
- 39463