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
74°F
Showers And Thunderstorms
Rain showers likely before 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 74. East wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Crystal Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Showers And Thunderstorms | 8 mph E | 86% |
| Tonight | 65°F | Showers And Thunderstorms | 8 mph S | 92% |
| Sunday | 72°F | Showers And Thunderstorms | 6 to 16 mph NW | 83% |
| Sunday Night | 60°F | Chance Rain Showers then Mostly Cloudy | 16 to 20 mph NE | 33% |
| Monday | 66°F | Slight Chance Rain Showers | 22 mph NE | 18% |
| Monday Night | 56°F | Slight Chance Rain Showers | 18 to 22 mph NE | 22% |
| Tuesday | 64°F | Chance Rain Showers | 18 to 22 mph NE | 25% |
| Tuesday Night | 56°F | Rain Showers Likely | 22 mph E | 60% |
| Wednesday | 65°F | Rain Showers Likely | 17 to 21 mph E | 60% |
| Wednesday Night | 56°F | Rain Showers Likely | 9 to 17 mph E | 59% |
| Thursday | 66°F | Chance Rain Showers | 10 to 14 mph E | 28% |
| Thursday Night | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 14 mph NE | 16% |
| Friday | 67°F | Mostly Sunny | 8 to 15 mph NE | 13% |
| Friday Night | 56°F | Partly Cloudy | 8 to 14 mph NE | 11% |
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
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Elmore
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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.