Ashtabula, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ashtabula, a city in Ashtabula County, Ohio.
Tonight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. East wind around 6 mph.
7-day forecast for Ashtabula
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Cloudy | 6 mph E | 1% |
| Saturday | 72°F | Mostly Cloudy then Chance Rain Showers | 5 to 9 mph E | 31% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 5 to 9 mph SE | 85% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 15 mph E | 77% |
| Sunday Night | 56°F | Chance Rain Showers then Mostly Cloudy | 15 mph NE | 44% |
| Monday | 66°F | Mostly Cloudy | 16 to 20 mph NE | 13% |
| Monday Night | 53°F | Chance Rain Showers | 16 to 20 mph NE | 36% |
| Tuesday | 65°F | Chance Rain Showers | 16 to 20 mph E | 38% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms | 13 to 20 mph E | 52% |
| Wednesday | 66°F | Showers And Thunderstorms Likely | 15 mph E | 56% |
| Wednesday Night | 53°F | Showers And Thunderstorms Likely | 9 to 14 mph E | 56% |
| Thursday | 67°F | Chance Showers And Thunderstorms | 12 mph E | 44% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 5 to 12 mph NE | 23% |
| Friday | 69°F | Partly Sunny then Slight Chance Rain Showers | 7 to 13 mph NE | 16% |
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
Nearby towns & communities
Andover
Austinburg
Conneaut
Edgewood
Geneva
Geneva-on-the-Lake
Jefferson
Kingsville
North Kingsville
Orwell
Roaming Shores
Rock Creek
Saybrook-on-the-Lake
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.