Crystal Rock, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crystal Rock, a community in Ottawa County, Ohio.
Today
80°F
Sunny
Sunny, with a high near 80. East wind 1 to 5 mph.
7-day forecast for Crystal Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 1 to 5 mph E | 0% |
| Tonight | 65°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Wednesday | 85°F | Sunny | 1 to 5 mph SW | 2% |
| Wednesday Night | 69°F | Partly Cloudy | 5 mph S | 6% |
| Thursday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 52% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph SW | 60% |
| Friday | 82°F | Chance Showers And Thunderstorms | 6 mph SW | 54% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 7 mph SW | 42% |
| Saturday | 84°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 8 mph SW | 16% |
| Saturday Night | 70°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph SW | 19% |
| Sunday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 to 15 mph SW | 19% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 9 to 14 mph SW | 39% |
| Monday | 86°F | Chance Rain Showers | 13 mph SW | 41% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 7 to 12 mph SW | 52% |
Forecast source: National Weather Service (api.weather.gov) for Crystal Rock (41.448, -82.842). Updated through the day.
Growing snapshot for Crystal Rock
Last spring frost
Apr 10
First fall frost
Nov 5
Growing season
209 days
Hardiness zone
6b
More local growing data for Crystal Rock: nearby ZIP 43433 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Bay View
Clay Center
Curtice
Elmore
Genoa
Lakeside
Marblehead
Oak Harbor
Port Clinton
Put-in-Bay
Rocky Ridge
Williston
Climate data from the nearest NOAA station, Sandusky, Oh (9.3 mi from Crystal Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.