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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
Sunny
Sunny, with a high near 74. South wind around 13 mph.

7-day forecast for Crystal Rock

WhenTempForecastWindPrecip
This Afternoon 74°F Sunny 13 mph S 2%
Tonight 63°F Partly Cloudy then Slight Chance Light Rain 14 mph S 15%
Wednesday 68°F Light Rain 14 to 22 mph S 78%
Wednesday Night 54°F Light Rain Likely 10 to 18 mph SW 58%
Thursday 63°F Partly Sunny 10 to 17 mph SW 2%
Thursday Night 50°F Mostly Cloudy 5 to 10 mph SW 14%
Friday 57°F Chance Light Rain 5 to 10 mph NW 36%
Friday Night 45°F Chance Light Rain 12 mph NW 36%
Saturday 52°F Slight Chance Light Rain 12 mph NW 23%
Saturday Night 40°F Mostly Cloudy 5 to 8 mph W 14%
Sunday 54°F Mostly Sunny 6 to 14 mph W 14%
Sunday Night 41°F Partly Cloudy 12 mph W 14%
Monday 56°F Slight Chance Light Rain 9 to 14 mph W 17%
Monday Night 44°F Partly Cloudy 13 mph SW 14%

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

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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 Nov 4, 2026.