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——91°64°—
- MondayJul 6Overcast——92°71°+1°
- TuesdayJul 7Overcast——92°70°0°
- WednesdayJul 8Drizzle35%—89°70°-3°
- ThursdayJul 9Heavy Drizzle35%—85°66°-4°
- FridayJul 10Overcast22%—83°67°-2°
- SaturdayJul 11Overcast——86°64°+3°
AQI 50 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.82 fine-to-coarse ratio and 5 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 7.9 µg/m³ (AQI 44) with a 0.82 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- Wind
- light
- 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: 69°F — typical for the season
- 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
15-Day Forecast — Duncan
- Sun91°64°6%
- Mon92°71°1%
- Tue92°70°2%
- Wed89°70°35%
- Thu85°66°35%
- Fri83°67°22%
- Sat86°64°5%
- Sun87°69°2%
- Mon96°69°2%
- Tue99°71°5%
- Wed93°68°9%
- Thu98°69°17%
- Fri91°65°19%
- Sat94°66°26%
- Sun107°75°15%
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 3NONENo severe risk
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