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Spencerville, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Spencerville, a village in Allen County, Ohio.

Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. East wind around 5 mph.

7-day forecast for Spencerville

WhenTempForecastWindPrecip
Overnight 57°F Mostly Cloudy 5 mph E 2%
Saturday 79°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph SE 61%
Saturday Night 66°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph S 65%
Sunday 77°F Showers And Thunderstorms Likely 5 to 15 mph NW 73%
Sunday Night 55°F Showers And Thunderstorms Likely 10 to 15 mph NE 64%
Monday 66°F Chance Rain Showers 10 to 15 mph NE 49%
Monday Night 51°F Chance Rain Showers 10 to 20 mph NE 49%
Tuesday 66°F Mostly Cloudy then Slight Chance Rain Showers 15 to 20 mph NE 18%
Tuesday Night 54°F Chance Rain Showers 10 to 15 mph NE 34%
Wednesday 67°F Chance Rain Showers 10 mph NE 34%
Wednesday Night 54°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph N 18%
Thursday 69°F Mostly Cloudy 5 to 10 mph N 11%
Thursday Night 53°F Mostly Cloudy 5 to 10 mph N 11%
Friday 69°F Partly Sunny 5 to 10 mph N 5%

Forecast source: National Weather Service (api.weather.gov) for Spencerville (40.708, -84.353). Updated through the day.

Growing snapshot for Spencerville

Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
6a

More local growing data for Spencerville: nearby ZIP 45887 weather · frost dates · planting calendar · Ohio frost dates

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Climate data from the nearest NOAA station, Lima Wwtp, Oh (12.4 mi from Spencerville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.