Brecon, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brecon, a community in Hamilton County, Ohio.
This Afternoon
67°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 67. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Brecon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Light Rain | 13 to 17 mph S | 96% |
| Tonight | 50°F | Chance Light Rain then Mostly Cloudy | 5 to 13 mph SW | 51% |
| Thursday | 64°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 2 to 7 mph W | 2% |
| Friday | 57°F | Mostly Cloudy | 2 to 10 mph W | 13% |
| Friday Night | 37°F | Mostly Cloudy | 5 to 9 mph NW | 11% |
| Saturday | 54°F | Mostly Sunny | 5 to 9 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 to 6 mph NW | 0% |
| Sunday | 57°F | Sunny | 2 to 10 mph W | 0% |
| Sunday Night | 34°F | Mostly Clear | 2 to 6 mph W | 0% |
| Monday | 61°F | Sunny | 1 to 7 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 64°F | Sunny | 3 to 8 mph W | 1% |
| Tuesday Night | 38°F | Mostly Clear | 3 mph NW | 3% |
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 Nov 4, 2026.