Bryan, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bryan, a city in Williams County, Ohio.
Tonight
62°F
Partly Cloudy then Chance Rain Showers
A chance of rain showers after 4am. Partly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Bryan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Partly Cloudy then Chance Rain Showers | 10 to 15 mph S | 31% |
| Wednesday | 70°F | Rain Showers | 15 mph S | 97% |
| Wednesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph SW | 15% |
| Thursday | 61°F | Partly Sunny | 10 to 15 mph SW | 8% |
| Thursday Night | 45°F | Mostly Cloudy | 5 to 10 mph W | 7% |
| Friday | 56°F | Chance Rain Showers | 5 to 10 mph NW | 38% |
| Friday Night | 37°F | Chance Rain Showers | 5 to 10 mph NW | 28% |
| Saturday | 53°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NW | 15% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph W | 18% |
| Sunday Night | 35°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph W | 18% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph W | 13% |
| Monday Night | 38°F | Partly Cloudy | 10 mph SW | 9% |
| Tuesday | 62°F | Mostly Sunny | 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Bryan (41.470, -84.548). Updated through the day.
Growing snapshot for Bryan
Last spring frost
Apr 26
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
6a
More local growing data for Bryan: nearby ZIP 43506 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Alvordton
Blakeslee
Edgerton
Edon
Holiday City
Kunkle
Lake Seneca
Montpelier
Nettle Lake
Pioneer
Pulaski
Stryker
West Unity
Climate data from the nearest NOAA station, Bryan 2 Se, Oh (1.6 mi from Bryan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.