Bryan, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bryan, a city in Williams County, Ohio.
Overnight
56°F
Mostly Cloudy
Mostly cloudy. Low around 56, with temperatures rising to around 61 overnight. East wind around 5 mph.
7-day forecast for Bryan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Cloudy | 5 mph E | 11% |
| Saturday | 74°F | Showers And Thunderstorms Likely | 5 mph E | 73% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph SE | 83% |
| Sunday | 73°F | Showers And Thunderstorms | 5 to 10 mph NW | 88% |
| Sunday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 46% |
| Monday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 20% |
| Tuesday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 15 to 20 mph NE | 17% |
| Tuesday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Wednesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Wednesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 18% |
| Thursday | 67°F | Mostly Cloudy | 10 mph NE | 8% |
| Thursday Night | 51°F | Mostly Cloudy | 5 to 10 mph N | 8% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph N | 5% |
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 Sep 19, 2026.