Sumner, Nebraska Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sumner weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy18%—88°70°—
- SundayJul 5Overcast——92°64°+4°
- MondayJul 6Overcast——92°66°0°
- TuesdayJul 7Overcast——95°66°+3°
- WednesdayJul 8Overcast36%—93°69°-2°
- ThursdayJul 9Light Showers36%—94°66°+1°
- FridayJul 10Light Drizzle21%—88°63°-6°
AQI 58 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 19.6 µg/m³, PM10 at 26.8 µg/m³ — typical background levels with no transport signature.
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 48 now. With UV 8.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 54 around 1 PM.
- Present
- AQI 48
- UV peak
- 8.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 54
PM × Wind × Precip
PM2.5 at 19.6 µg/m³, PM10 at 26.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.73
- Wind
- light
- Recent rain
- 0h 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
- 11:35 PM
- Moonset
- 10:45 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sumner at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 68878
16-Day Forecast — Sumner
- Sat88°70°18%
- Sun92°64°5%
- Mon92°66°2%
- Tue95°66°5%
- Wed93°69°36%
- Thu94°66°36%
- Fri88°63°21%
- Sat87°61°10%
- Sun85°60°3%
- Mon86°60°2%
- Tue93°62°4%
- Wed97°67°9%
- Thu101°72°15%
- Fri97°63°21%
- Sat87°60°16%
- Sun90°58°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Sumner
SPC has placed Sumner in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Sumner
- 68878