Upper Sandusky, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Upper Sandusky, a city in Wyandot County, Ohio.
Overnight
54°F
Clear
Clear, with a low around 54. Southeast wind around 2 mph.
7-day forecast for Upper Sandusky
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Clear | 2 mph SE | 0% |
| Tuesday | 83°F | Sunny | 2 mph E | 0% |
| Tuesday Night | 62°F | Mostly Clear | 2 mph E | 0% |
| Wednesday | 86°F | Sunny | 0 to 5 mph SW | 6% |
| Wednesday Night | 66°F | Mostly Clear | 1 to 5 mph SW | 8% |
| Thursday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph SW | 52% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph SW | 60% |
| Friday | 84°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 8 mph SW | 59% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph SW | 59% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 24% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 24% |
| Sunday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 13 mph SW | 17% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 9 to 13 mph SW | 35% |
| Monday | 87°F | Chance Rain Showers | 9 to 13 mph SW | 38% |
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 Aug 4, 2026.