Crystal Rock, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crystal Rock, a community in Ottawa County, Ohio.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. Northeast wind around 10 mph.
7-day forecast for Crystal Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 10 mph NE | 0% |
| Tonight | 62°F | Partly Cloudy | 5 to 9 mph E | 2% |
| Saturday | 74°F | Chance Rain Showers | 5 to 9 mph E | 53% |
| Saturday Night | 66°F | Showers And Thunderstorms | 6 to 9 mph S | 78% |
| Sunday | 73°F | Showers And Thunderstorms | 7 to 17 mph NW | 85% |
| Sunday Night | 62°F | Rain Showers Likely | 17 to 21 mph NE | 58% |
| Monday | 66°F | Chance Rain Showers | 21 to 25 mph NE | 33% |
| Monday Night | 59°F | Chance Rain Showers | 21 to 25 mph NE | 34% |
| Tuesday | 65°F | Chance Rain Showers | 24 mph NE | 34% |
| Tuesday Night | 59°F | Rain Showers Likely | 18 to 23 mph E | 55% |
| Wednesday | 65°F | Rain Showers Likely | 17 mph E | 55% |
| Wednesday Night | 58°F | Rain Showers Likely | 9 to 16 mph E | 55% |
| Thursday | 67°F | Slight Chance Rain Showers | 9 to 14 mph NE | 23% |
| Thursday Night | 59°F | Slight Chance Rain Showers | 7 to 13 mph NE | 19% |
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 Sep 19, 2026.