Gretna, Nebraska Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Gretna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle67%0.05″80°68°—
- SundayJul 5Overcast——89°67°+9°
- MondayJul 6Overcast——90°70°+1°
- TuesdayJul 7Overcast——89°68°-1°
- WednesdayJul 8Light Drizzle46%—92°69°+3°
- ThursdayJul 9Drizzle46%—83°66°-9°
- FridayJul 10Mostly Clear21%—89°66°+6°
AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.84 fine-to-coarse ratio and 2 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
Ozone × UV × Sky
Ozone at AQI 33 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 33
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.84 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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
- 11:44 PM
- Moonset
- 11:38 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Gretna at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 68028
16-Day Forecast — Gretna
- Sat80°68°67%
- Sun89°67°3%
- Mon90°70°2%
- Tue89°68°2%
- Wed92°69°46%
- Thu83°66°46%
- Fri89°66°21%
- Sat83°67°5%
- Sun81°61°4%
- Mon90°64°3%
- Tue96°69°4%
- Wed93°70°5%
- Thu109°72°9%
- Fri97°75°10%
- Sat98°75°13%
- Sun93°72°17%
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 — Gretna
SPC has placed Gretna in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Gretna
- 68028
- 68138