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Ashtabula, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ashtabula, a city in Ashtabula County, Ohio.

This Afternoon
73°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 73. East wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Ashtabula

WhenTempForecastWindPrecip
This Afternoon 73°F Chance Rain Showers 7 mph E 32%
Tonight 60°F Chance Showers And Thunderstorms 7 mph SE 51%
Sunday 71°F Showers And Thunderstorms 5 to 14 mph NE 83%
Sunday Night 52°F Chance Rain Showers then Mostly Cloudy 13 to 16 mph NE 27%
Monday 66°F Mostly Cloudy 18 mph NE 4%
Monday Night 51°F Chance Rain Showers 17 mph E 31%
Tuesday 64°F Chance Rain Showers 17 mph E 36%
Tuesday Night 50°F Rain Showers Likely 14 to 18 mph E 55%
Wednesday 65°F Rain Showers Likely 16 mph E 55%
Wednesday Night 51°F Showers And Thunderstorms Likely 9 to 16 mph E 56%
Thursday 66°F Chance Showers And Thunderstorms 9 to 13 mph E 49%
Thursday Night 52°F Slight Chance Rain Showers 6 to 13 mph E 20%
Friday 67°F Slight Chance Rain Showers 7 to 15 mph NE 20%
Friday Night 52°F Partly Cloudy 6 to 15 mph NE 13%

Forecast source: National Weather Service (api.weather.gov) for Ashtabula (41.879, -80.798). Updated through the day.

Growing snapshot for Ashtabula

Last spring frost
May 2
First fall frost
Oct 21
Growing season
171 days
Hardiness zone
6b

More local growing data for Ashtabula: nearby ZIP 44004 weather · frost dates · planting calendar · Ohio frost dates

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Climate data from the nearest NOAA station, Ashtabula Co Ap, Oh (7.3 mi from Ashtabula). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.