Duncan, Nebraska Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Duncan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Partly Cloudy——89°65°—
- MondayJul 6Partly Cloudy——91°68°+2°
- TuesdayJul 7Overcast——91°68°0°
- WednesdayJul 8Drizzle51%—92°68°+1°
- ThursdayJul 9Showers51%—85°70°-7°
- FridayJul 10Overcast15%—81°65°-4°
- SaturdayJul 11Clear10%—87°61°+6°
AQI 49 (Good), driven by Ozone. Ozone at AQI 80 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 80 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 80
- UV peak
- 4.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 80
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.75 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- 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
- 11:49 PM
- Moonset
- 11:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Duncan at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 68634
16-Day Forecast — Duncan
- Sun89°65°6%
- Mon91°68°1%
- Tue91°68°1%
- Wed92°68°51%
- Thu85°70°51%
- Fri81°65°15%
- Sat87°61°10%
- Sun100°67°2%
- Mon89°67°2%
- Tue98°65°3%
- Wed89°66°5%
- Thu90°64°18%
- Fri94°67°35%
- Sat96°67°18%
- Sun99°73°25%
- Mon102°70°24%
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 — Duncan
SPC includes Duncan in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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.
ZIP codes in Duncan
- 68634