Union, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Union weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy14%—95°74°—
- SundayJul 5Light Drizzle21%0.03″87°75°-8°
- MondayJul 6Light Drizzle36%—88°73°+1°
- TuesdayJul 7Thunderstorm26%—88°70°0°
- WednesdayJul 8Drizzle——93°71°+5°
- ThursdayJul 9Light Showers17%—89°72°-4°
- FridayJul 10Light Drizzle23%—92°73°+3°
AQI 62 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 16.1 µg/m³ (AQI 64) with a 0.93 fine-to-coarse ratio and 4 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 16.1 µg/m³ (AQI 64) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 11:09 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Union at a glance
- Today vs. normal: 81°F — typical for the season
- Last frost: March 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 39365
16-Day Forecast — Union
- Sat95°74°14%
- Sun87°75°21%
- Mon88°73°36%
- Tue88°70°26%
- Wed93°71°8%
- Thu89°72°17%
- Fri92°73°23%
- Sat93°71°35%
- Sun87°69°50%
- Mon75°69°31%
- Tue88°68°15%
- Wed94°70°15%
- Thu91°75°30%
- Fri92°73°40%
- Sat93°71°42%
- Sun95°72°39%
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 — Union
SPC has placed Union 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 Union
- 39365