Defiance, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Defiance weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast26%—92°75°—
- SundayJul 5Light Drizzle20%0.02″83°71°-9°
- MondayJul 6Overcast32%—85°68°+2°
- TuesdayJul 7Clear——87°64°+2°
- WednesdayJul 8Partly Cloudy——95°65°+8°
- ThursdayJul 9Overcast31%—94°74°-1°
- FridayJul 10Overcast41%—95°74°+1°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.9 µg/m³, PM10 at 12.2 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 now. With UV 5.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 22 around 1 PM.
- Present
- AQI 43
- UV peak
- 5.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 10.9 µg/m³, PM10 at 12.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- 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
- 10:56 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Defiance at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 63341
16-Day Forecast — Defiance
- Sat92°75°26%
- Sun83°71°20%
- Mon85°68°32%
- Tue87°64°5%
- Wed95°65°8%
- Thu94°74°31%
- Fri95°74°41%
- Sat82°65°22%
- Sun81°60°8%
- Mon83°58°8%
- Tue83°60°10%
- Wed90°60°13%
- Thu93°64°13%
- Fri94°70°10%
- Sat79°67°15%
- Sun76°67°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 — Defiance
SPC has placed Defiance in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Defiance
- 63341