Johnson, Nebraska Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Johnson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain75%0.56″81°67°—
- SundayJul 5Overcast——88°67°+7°
- MondayJul 6Overcast——88°66°0°
- TuesdayJul 7Overcast——90°67°+2°
- WednesdayJul 8Light Drizzle23%—101°70°+11°
- ThursdayJul 9Light Showers49%—88°70°-13°
- FridayJul 10Drizzle19%0.01″84°65°-4°
AQI 31 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 8.2 µg/m³, PM10 at 11.3 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 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 5.4 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 8.2 µg/m³, PM10 at 11.3 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
- 11:20 PM
- Moonset
- 10:30 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Johnson at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 68378
16-Day Forecast — Johnson
- Sat82°67°75%
- Sun88°67°7%
- Mon88°66°2%
- Tue90°67°1%
- Wed101°70°23%
- Thu88°70°49%
- Fri84°65°19%
- Sat81°61°8%
- Sun82°61°5%
- Mon85°63°4%
- Tue88°64°3%
- Wed91°61°9%
- Thu98°70°19%
- Fri102°68°19%
- Sat85°62°29%
- Sun81°59°14%
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 — Johnson
SPC has placed Johnson 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 Johnson
- 68378