Brecon, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brecon, a community in Hamilton County, Ohio.
Overnight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. East wind around 5 mph.
7-day forecast for Brecon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 5 mph E | 1% |
| Saturday | 89°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 7 mph SE | 56% |
| Saturday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SE | 62% |
| Sunday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph W | 33% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 8 to 13 mph N | 49% |
| Monday | 74°F | Rain Showers Likely | 12 mph NE | 55% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 50% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 12 mph NE | 29% |
| Tuesday Night | 58°F | Chance Showers And Thunderstorms | 6 to 13 mph NE | 42% |
| Wednesday | 72°F | Chance Rain Showers | 8 mph NE | 50% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 50% |
| Thursday | 72°F | Mostly Cloudy | 5 to 9 mph NE | 12% |
| Thursday Night | 56°F | Mostly Cloudy | 5 to 9 mph NE | 12% |
| Friday | 73°F | Mostly Sunny | 5 to 10 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Brecon (39.280, -84.353). Updated through the day.
Growing snapshot for Brecon
Last spring frost
Apr 23
First fall frost
Oct 18
Growing season
177 days
Hardiness zone
6b
More local growing data for Brecon: nearby ZIP 45249 weather · frost dates · planting calendar · Ohio frost dates
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Climate data from the nearest NOAA station, Milford, Oh (6.8 mi from Brecon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.