Alger, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alger, a village in Hardin County, Ohio.
This Afternoon
78°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy, with a high near 78. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Alger
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Chance Showers And Thunderstorms | 8 mph S | 48% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph S | 72% |
| Sunday | 76°F | Showers And Thunderstorms | 6 to 13 mph NW | 79% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 14 mph NE | 73% |
| Monday | 66°F | Chance Rain Showers | 14 to 17 mph NE | 44% |
| Monday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 13 to 20 mph NE | 44% |
| Tuesday | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 13 to 18 mph NE | 22% |
| Tuesday Night | 54°F | Chance Rain Showers | 13 to 18 mph NE | 40% |
| Wednesday | 67°F | Showers And Thunderstorms Likely | 15 mph E | 58% |
| Wednesday Night | 53°F | Showers And Thunderstorms Likely | 9 to 14 mph E | 58% |
| Thursday | 68°F | Chance Rain Showers | 10 mph E | 28% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 13% |
| Friday | 70°F | Mostly Sunny | 5 to 12 mph NE | 9% |
| Friday Night | 50°F | Partly Cloudy | 3 to 12 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Alger (40.710, -83.844). Updated through the day.
Growing snapshot for Alger
Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
6a
More local growing data for Alger: nearby ZIP 45812 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kenton, Oh (11.1 mi from Alger). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.