Harman US

Ashtabula, OH Weather & Growing Conditions

This Afternoon
76°F
Sunny
Sunny, with a high near 76. South wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 76°F Sunny 6 mph S 3%
Tonight 59°F Partly Cloudy 7 to 10 mph S 3%
Wednesday 73°F Mostly Cloudy then Light Rain Likely 10 to 15 mph S 63%
Wednesday Night 55°F Light Rain 7 to 15 mph S 76%
Thursday 66°F Slight Chance Light Rain then Mostly Sunny 7 to 13 mph SW 16%
Thursday Night 47°F Partly Cloudy 6 mph SW 9%
Friday 60°F Chance Light Rain 3 to 8 mph W 37%
Friday Night 41°F Chance Light Rain 3 to 9 mph NW 48%
Saturday 54°F Chance Light Rain 9 to 14 mph NW 48%
Saturday Night 37°F Chance Light Rain 5 to 9 mph W 42%
Sunday 54°F Partly Sunny then Slight Chance Light Rain 6 to 13 mph W 24%
Sunday Night 37°F Chance Light Rain 9 mph W 35%
Monday 55°F Chance Light Rain 9 to 14 mph W 35%
Monday Night 39°F Chance Light Rain 8 to 12 mph SW 29%

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 Nov 4, 2026.