Pioneer, Ohio Weather
Night falls a minute earlier. Day 43 of summer. Read this microseason across nine climate regions →
Pioneer weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Heavy Drizzle73%0.11″79°64°—
- MondayAug 3Clear——83°60°+4°
- TuesdayAug 4Clear——80°58°-3°
- WednesdayAug 5Partly Cloudy——85°60°+5°
- ThursdayAug 6Thunderstorm61%0.02″84°67°-1°
- FridayAug 7Overcast42%—84°63°0°
- SaturdayAug 8Thunderstorm23%0.14″87°66°+3°
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.0 µg/m³, PM10 at 7.0 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 30. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 7.0 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 1.00
- Wind
- breezy
- Recent rain
- 1h 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).
Red sky at night, sailor's delight.
- Moonrise
- 10:22 PM
- Moonset
- 10:43 AM
- In sign
- ♓︎ Pisces
Night falls a minute earlier
Pioneer at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP code: 43554
16-Day Forecast — Pioneer
- Sun79°64°73%
- Mon83°60°0%
- Tue80°58°0%
- Wed85°60°4%
- Thu84°67°61%
- Fri84°63°42%
- Sat87°66°23%
- Sun91°72°16%
- Mon90°71°24%
- Tue83°64°27%
- Wed84°65°27%
- Thu92°72°29%
- Fri92°74°32%
- Sat89°70°30%
- Sun84°62°16%
- Mon80°64°15%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of August 2, 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 — Pioneer
SPC includes Pioneer in the general thunderstorm area today — no severe risk, but storms are possible.
- 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.
Sun & seasons in Pioneer
Pioneer sits in Williams County, where the year’s longest day runs 15h 12m of daylight and its shortest just 9h 9m — a swing of +6h 3m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Cincinnati, the state’s largest city, lies about 175 miles to the S. The nearest town Pioneer tracks is Liberty Center, roughly 32 miles to the ESE.
ZIP codes in Pioneer
- 43554