Oak Harbor, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oak Harbor, a village in Ottawa County, Ohio.
This Afternoon
77°F
Sunny
Sunny, with a high near 77. South wind 12 to 16 mph.
7-day forecast for Oak Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 12 to 16 mph S | 2% |
| Tonight | 63°F | Partly Cloudy then Slight Chance Light Rain | 9 to 13 mph S | 21% |
| Wednesday | 69°F | Light Rain | 13 to 21 mph S | 79% |
| Wednesday Night | 51°F | Light Rain Likely | 8 to 16 mph SW | 57% |
| Thursday | 64°F | Partly Sunny | 9 to 17 mph SW | 2% |
| Thursday Night | 47°F | Mostly Cloudy | 3 to 9 mph SW | 14% |
| Friday | 57°F | Chance Light Rain | 3 to 9 mph NW | 36% |
| Friday Night | 41°F | Chance Light Rain | 9 mph NW | 36% |
| Saturday | 53°F | Slight Chance Light Rain | 8 to 12 mph NW | 19% |
| Saturday Night | 36°F | Partly Cloudy | 3 to 7 mph W | 8% |
| Sunday | 55°F | Mostly Sunny | 5 to 14 mph W | 14% |
| Sunday Night | 36°F | Partly Cloudy | 7 to 10 mph W | 14% |
| Monday | 57°F | Mostly Sunny | 7 to 14 mph W | 14% |
| Monday Night | 40°F | Partly Cloudy | 10 mph SW | 13% |
Forecast source: National Weather Service (api.weather.gov) for Oak Harbor (41.505, -83.135). Updated through the day.
Growing snapshot for Oak Harbor
Last spring frost
Apr 26
First fall frost
Oct 23
Growing season
179 days
Hardiness zone
6b
More local growing data for Oak Harbor: nearby ZIP 43449 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Bay View
Clay Center
Crystal Rock
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Elmore
Genoa
Lakeside
Marblehead
Port Clinton
Put-in-Bay
Rocky Ridge
Williston
Climate data from the nearest NOAA station, Fremont, Oh (13.9 mi from Oak Harbor). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.