Upper Sandusky, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Upper Sandusky, a city in Wyandot County, Ohio.
This Afternoon
75°F
Mostly Sunny
Mostly sunny, with a high near 75. Northeast wind around 12 mph.
7-day forecast for Upper Sandusky
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Sunny | 12 mph NE | 0% |
| Tonight | 57°F | Partly Cloudy | 3 to 12 mph NE | 1% |
| Saturday | 79°F | Chance Rain Showers | 6 mph SE | 49% |
| Saturday Night | 66°F | Showers And Thunderstorms | 7 mph S | 79% |
| Sunday | 78°F | Showers And Thunderstorms | 7 to 14 mph NW | 89% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 14 mph NE | 61% |
| Monday | 68°F | Chance Rain Showers | 13 to 18 mph NE | 46% |
| Monday Night | 54°F | Chance Rain Showers | 14 to 18 mph NE | 46% |
| Tuesday | 68°F | Chance Rain Showers | 15 to 18 mph NE | 39% |
| Tuesday Night | 56°F | Chance Rain Showers | 13 to 18 mph NE | 54% |
| Wednesday | 68°F | Chance Rain Showers | 14 mph NE | 54% |
| Wednesday Night | 55°F | Chance Rain Showers | 8 to 12 mph NE | 42% |
| Thursday | 70°F | Slight Chance Rain Showers | 8 to 12 mph NE | 15% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 12 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Upper Sandusky (40.831, -83.271). Updated through the day.
Growing snapshot for Upper Sandusky
Last spring frost
Apr 29
First fall frost
Oct 17
Growing season
171 days
Hardiness zone
6a
More local growing data for Upper Sandusky: nearby ZIP 43351 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Upper Sandusky, Oh (1.7 mi from Upper Sandusky). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.