Youngstown, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Youngstown, a city in Mahoning County, Ohio.
Today
77°F
Mostly Cloudy then Light Rain Likely
Rain likely after 1pm. Mostly cloudy. High near 77, with temperatures falling to around 69 in the afternoon. South wind 6 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Youngstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Cloudy then Light Rain Likely | 6 to 12 mph S | 71% |
| Tonight | 57°F | Light Rain | 6 to 12 mph S | 95% |
| Thursday | 67°F | Partly Sunny | 6 to 12 mph SW | 3% |
| Thursday Night | 45°F | Partly Cloudy | 2 to 6 mph SW | 2% |
| Friday | 60°F | Chance Rain Showers | 2 to 7 mph SW | 39% |
| Friday Night | 40°F | Rain Showers Likely | 6 mph W | 58% |
| Saturday | 50°F | Chance Rain Showers | 6 to 10 mph W | 47% |
| Saturday Night | 33°F | Slight Chance Light Rain | 7 mph W | 37% |
| Sunday | 55°F | Partly Sunny | 5 to 12 mph W | 6% |
| Sunday Night | 32°F | Partly Cloudy | 7 mph W | 7% |
| Monday | 56°F | Slight Chance Light Rain | 5 to 10 mph W | 15% |
| Monday Night | 34°F | Mostly Clear | 3 to 7 mph SW | 13% |
| Tuesday | 60°F | Mostly Sunny | 7 to 12 mph W | 5% |
| Tuesday Night | 33°F | Partly Cloudy | 2 to 6 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for Youngstown (41.099, -80.646). Updated through the day.
Growing snapshot for Youngstown
Last spring frost
May 1
First fall frost
Oct 17
Growing season
167 days
Hardiness zone
6a
More local growing data for Youngstown: nearby ZIP 44503 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Austintown
Beloit
Campbell
Canfield
Craig Beach
Damascus
East Alliance
Lake Milton
Lowellville
Maple Ridge
Mineral Ridge
New Middletown
New Springfield
North Lima
Petersburg
Poland
Sebring
Struthers
Woodworth
Climate data from the nearest NOAA station, Youngstown Rgnl Ap, Oh (10.8 mi from Youngstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.