Derby, Kansas Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Derby weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——84°65°—
- TuesdayJun 16Thunderstorm——91°66°+7°
- WednesdayJun 17Thunderstorm21%—104°73°+13°
- ThursdayJun 18Showers45%0.06″77°63°-27°
- FridayJun 19Overcast——82°62°+5°
- SaturdayJun 20Thunderstorm26%—83°63°+1°
- SundayJun 21Thunderstorm42%—102°71°+19°
AQI 38 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 49 — 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 49 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 5.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 49
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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:13 AM
- Moonset
- 9:07 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Derby at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Derby
- Mon84°65°1%
- Tue91°66°7%
- Wed104°73°21%
- Thu77°63°45%
- Fri82°62°8%
- Sat83°63°26%
- Sun102°71°42%
- Mon92°71°42%
- Tue85°71°27%
- Wed85°69°22%
- Thu82°68°25%
- Fri95°70°22%
- Sat99°76°19%
- Sun81°67°14%
- Mon85°65°16%
- Tue82°63°17%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
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 Derby
- 67037