Alger, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alger, a village in Hardin County, Ohio.
This Afternoon
82°F
Sunny
Sunny, with a high near 82. East wind around 2 mph.
7-day forecast for Alger
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 2 mph E | 0% |
| Tonight | 62°F | Clear | 2 mph E | 0% |
| Wednesday | 85°F | Sunny | 0 to 5 mph SW | 4% |
| Wednesday Night | 65°F | Mostly Clear | 1 to 5 mph SW | 4% |
| Thursday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph SW | 53% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph SW | 69% |
| Friday | 83°F | Showers And Thunderstorms Likely | 5 to 8 mph SW | 69% |
| Friday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph SW | 59% |
| Saturday | 84°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 20% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 20% |
| Sunday | 86°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 14 mph SW | 16% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 9 to 13 mph SW | 33% |
| Monday | 86°F | Chance Rain Showers | 10 to 14 mph SW | 34% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 12 mph SW | 47% |
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 Aug 4, 2026.