Brecon, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Brecon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle26%—95°74°—
- SundayJul 5Light Drizzle47%0.03″88°72°-7°
- MondayJul 6Thunderstorm47%—81°69°-7°
- TuesdayJul 7Overcast17%—81°62°0°
- WednesdayJul 8Overcast17%—85°64°+4°
- ThursdayJul 9Light Drizzle40%—86°66°+1°
- FridayJul 10Light Drizzle57%—80°70°-6°
AQI 57 (Moderate), driven by Ozone. Ozone at AQI 71 now. With UV 5.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 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 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 71 now. With UV 5.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 around 1 PM.
- Present
- AQI 71
- UV peak
- 5.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 51
PM × Wind × Precip
PM2.5 at 15.7 µg/m³ (AQI 63) with a 0.91 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- Wind
- light
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:31 PM
- Moonset
- 10:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Brecon at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Brecon
- Sat95°74°26%
- Sun88°72°47%
- Mon81°69°47%
- Tue81°62°17%
- Wed85°64°17%
- Thu86°66°40%
- Fri80°70°57%
- Sat83°68°37%
- Sun77°62°25%
- Mon70°56°14%
- Tue75°61°13%
- Wed83°62°23%
- Thu86°66°19%
- Fri86°69°19%
- Sat86°67°26%
- Sun89°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 — Brecon
SPC has placed Brecon 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 Brecon
- 45249
- 45242