Upper Sandusky, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Upper Sandusky, a city in Wyandot County, Ohio.
Today
66°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 66. South wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Upper Sandusky
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Light Rain | 21 mph S | 89% |
| Tonight | 51°F | Chance Light Rain then Mostly Cloudy | 9 to 20 mph SW | 54% |
| Thursday | 62°F | Partly Sunny | 9 to 17 mph SW | 0% |
| Thursday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SW | 15% |
| Friday | 55°F | Chance Rain Showers | 5 to 12 mph W | 50% |
| Friday Night | 39°F | Chance Rain Showers | 12 mph NW | 50% |
| Saturday | 50°F | Mostly Cloudy | 12 mph NW | 10% |
| Saturday Night | 34°F | Mostly Cloudy | 7 mph W | 4% |
| Sunday | 55°F | Mostly Sunny | 6 to 14 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 6 to 10 mph W | 6% |
| Monday | 57°F | Sunny | 6 to 12 mph W | 3% |
| Monday Night | 39°F | Mostly Clear | 9 mph SW | 2% |
| Tuesday | 62°F | Sunny | 8 to 13 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 2 to 8 mph W | 1% |
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 Nov 4, 2026.