Brilliant, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brilliant, a community in Jefferson County, Ohio.
Overnight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. South wind 2 to 7 mph.
7-day forecast for Brilliant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Partly Cloudy | 2 to 7 mph S | 2% |
| Wednesday | 76°F | Mostly Cloudy then Light Rain Likely | 2 to 12 mph S | 67% |
| Wednesday Night | 59°F | Light Rain | 9 to 14 mph S | 97% |
| Thursday | 68°F | Mostly Sunny | 7 to 13 mph SW | 6% |
| Thursday Night | 47°F | Partly Cloudy | 2 to 6 mph SW | 1% |
| Friday | 62°F | Partly Sunny then Slight Chance Light Rain | 2 to 8 mph SW | 20% |
| Friday Night | 41°F | Chance Light Rain | 5 to 8 mph W | 29% |
| Saturday | 53°F | Chance Light Rain | 10 mph W | 27% |
| Saturday Night | 35°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 9 mph W | 23% |
| Sunday | 55°F | Mostly Sunny | 6 to 12 mph W | 6% |
| Sunday Night | 33°F | Mostly Clear | 9 mph W | 5% |
| Monday | 56°F | Sunny | 7 to 10 mph W | 9% |
| Monday Night | 35°F | Mostly Clear | 6 to 9 mph SW | 7% |
| Tuesday | 60°F | Sunny | 12 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Brilliant (40.268, -80.638). Updated through the day.
Growing snapshot for Brilliant
Last spring frost
Apr 23
First fall frost
Oct 25
Growing season
185 days
Hardiness zone
6b
More local growing data for Brilliant: nearby ZIP 43913 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Adena
Bergholz
Bloomingdale
Connorville
Dillonvale
East Springfield
Empire
Irondale
Mount Pleasant
New Alexandria
Pottery Addition
Rayland
Richmond
Steubenville
Stratton
Tiltonsville
Toronto
Wintersville
Yorkville
Climate data from the nearest NOAA station, Wheeling Ohio Co Ap, Wv (6.4 mi from Brilliant). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.