Ashtabula, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ashtabula, a city in Ashtabula County, Ohio.
Today
81°F
Sunny
Sunny, with a high near 81. North wind 2 to 6 mph.
7-day forecast for Ashtabula
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 2 to 6 mph N | 0% |
| Tonight | 65°F | Mostly Clear | 2 to 6 mph E | 0% |
| Wednesday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph W | 21% |
| Wednesday Night | 69°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph E | 24% |
| Thursday | 84°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 28% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 65% |
| Friday | 82°F | Showers And Thunderstorms Likely | 7 mph SW | 65% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 5 mph SW | 44% |
| Saturday | 83°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 35% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 19% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph SW | 19% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 40% |
| Monday | 84°F | Chance Rain Showers | 9 to 13 mph SW | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 51% |
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 Aug 4, 2026.