Ashtabula, OH Weather & Growing Conditions
Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. East wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 6 mph E | 1% |
| Saturday | 73°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph E | 21% |
| Saturday Night | 60°F | Chance Showers And Thunderstorms | 7 mph SE | 69% |
| Sunday | 71°F | Showers And Thunderstorms | 5 to 14 mph N | 85% |
| Sunday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 12 to 15 mph NE | 28% |
| Monday | 66°F | Mostly Cloudy | 17 mph NE | 4% |
| Monday Night | 50°F | Chance Rain Showers | 16 mph E | 31% |
| Tuesday | 64°F | Chance Rain Showers | 17 mph E | 36% |
| Tuesday Night | 50°F | Rain Showers Likely | 14 to 17 mph E | 55% |
| Wednesday | 65°F | Rain Showers Likely | 16 mph E | 55% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 9 to 15 mph E | 56% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 9 to 13 mph E | 49% |
| Thursday Night | 51°F | Slight Chance Rain Showers | 6 to 13 mph E | 20% |
| Friday | 68°F | Slight Chance Rain Showers | 7 to 15 mph NE | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ashtabula, OH
Last spring frost
May 2
First fall frost
Oct 21
Growing season
171 days
Hardiness zone
6b
Explore more for Ashtabula, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Ashtabula Co Ap, Oh (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.