Spencerville, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Spencerville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast16%—88°69°—
- SundayJul 5Overcast29%—82°70°-6°
- MondayJul 6Light Drizzle29%—80°66°-2°
- TuesdayJul 7Light Drizzle——81°62°+1°
- WednesdayJul 8Overcast——83°63°+2°
- ThursdayJul 9Thunderstorm43%—81°65°-2°
- FridayJul 10Light Drizzle48%—79°70°-2°
AQI 33 (Good), driven by Ozone. AQI down 8 over the last 6 hours (gradual decline). Ozone at AQI 76 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 67 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 76 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 67 around 1 PM.
- Present
- AQI 76
- UV peak
- 6.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 67
PM × Wind × Precip
PM2.5 at 10.2 µg/m³, PM10 at 11.4 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
- 11:33 PM
- Moonset
- 10:41 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Spencerville at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 45887
16-Day Forecast — Spencerville
- Sat88°69°16%
- Sun82°70°29%
- Mon80°66°29%
- Tue81°62°5%
- Wed83°63°6%
- Thu81°65°43%
- Fri79°70°48%
- Sat84°65°28%
- Sun75°60°13%
- Mon64°60°13%
- Tue73°59°11%
- Wed82°62°39%
- Thu85°67°25%
- Fri80°69°19%
- Sat86°67°35%
- Sun87°70°26%
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 — Spencerville
SPC has placed Spencerville 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 Spencerville
- 45887