Ithaca, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ithaca, a city in Gratiot County, Michigan.
This Afternoon
75°F
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon. South southwest wind around 15 mph, with gusts as high as 26 mph.
7-day forecast for Ithaca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Sunny | 15 mph SSW | 4% |
| Tonight | 61°F | Partly Cloudy | 12 mph S | 8% |
| Wednesday | 71°F | Rain Showers | 13 to 16 mph S | 86% |
| Wednesday Night | 50°F | Rain Showers | 12 mph SW | 81% |
| Thursday | 58°F | Chance Rain Showers | 12 to 15 mph SW | 51% |
| Thursday Night | 43°F | Rain Showers Likely | 5 to 9 mph W | 58% |
| Friday | 52°F | Rain Showers Likely | 6 to 12 mph NNW | 58% |
| Friday Night | 35°F | Chance Rain Showers | 7 to 10 mph NNW | 39% |
| Saturday | 51°F | Partly Sunny | 8 mph NW | 13% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph WSW | 4% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 12 mph W | 20% |
| Sunday Night | 34°F | Slight Chance Rain Showers then Partly Cloudy | 6 to 9 mph WNW | 20% |
| Monday | 59°F | Mostly Sunny | 7 to 13 mph W | 9% |
| Monday Night | 38°F | Partly Cloudy | 10 mph WSW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Ithaca (43.291, -84.596). Updated through the day.
Growing snapshot for Ithaca
Last spring frost
May 1
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
6a
More local growing data for Ithaca: nearby ZIP 48847 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alma, Mi (8.7 mi from Ithaca). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.