Defiance, Ohio Weather
Solstice approaches — longest light. Day 86 of spring. Read this microseason across nine climate regions →
Defiance weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 13Overcast——89°60°—
- SundayJun 14Drizzle28%0.06″74°59°-15°
- MondayJun 15Overcast——72°52°-2°
- TuesdayJun 16Heavy Showers41%0.48″77°55°+5°
- WednesdayJun 17Showers72%0.52″75°61°-2°
- ThursdayJun 18Light Rain77%0.26″75°62°0°
- FridayJun 19Light Drizzle12%—73°56°-2°
AQI 29 (Good), driven by PM2.5. AQI down 14 over the last 6 hours (gradual decline). PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.95 fine-to-coarse ratio and 4 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 6.1 µg/m³ (AQI 34) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- 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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 4:14 AM
- Moonset
- —
- In sign
- ♉︎ Taurus
Solstice approaches — longest light
Defiance at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Prune spring-blooming shrubs after flowers fade.
15-Day Forecast — Defiance
- Sat89°60°2%
- Sun74°59°28%
- Mon72°52°0%
- Tue77°55°41%
- Wed75°61°72%
- Thu75°62°77%
- Fri73°56°12%
- Sat73°52°18%
- Sun72°61°30%
- Mon72°54°25%
- Tue74°55°10%
- Wed79°55°16%
- Thu81°66°17%
- Fri73°58°29%
- Sat73°53°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 13, 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 General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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
- 43512