Derby, Kansas Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Derby weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast25%—89°70°—
- SundayJul 5Partly Cloudy15%—91°65°+2°
- MondayJul 6Clear——92°70°+1°
- TuesdayJul 7Clear——92°71°0°
- WednesdayJul 8Overcast——102°74°+10°
- ThursdayJul 9Light Drizzle30%—108°77°+6°
- FridayJul 10Overcast30%—95°78°-13°
AQI 34 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.89 fine-to-coarse ratio and 3 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 6.7 µg/m³ (AQI 37) with a 0.89 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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
- 11:46 PM
- Moonset
- 11:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Derby at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 67037
16-Day Forecast — Derby
- Sat89°70°25%
- Sun91°65°15%
- Mon92°70°4%
- Tue92°71°1%
- Wed102°74°7%
- Thu108°77°30%
- Fri95°78°30%
- Sat82°70°13%
- Sun84°65°6%
- Mon87°67°1%
- Tue93°68°1%
- Wed100°70°7%
- Thu105°79°13%
- Fri108°82°10%
- Sat104°83°11%
- Sun109°83°13%
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 — Derby
SPC has placed Derby in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Derby
- 67037