Harbor Springs, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harbor Springs, a city in Emmet County, Michigan.
Today
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
7-day forecast for Harbor Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 5 to 15 mph SW | 1% |
| Tonight | 64°F | Showers And Thunderstorms | 5 to 15 mph NW | 77% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 60% |
| Wednesday Night | 60°F | Mostly Cloudy | 0 to 5 mph NE | 9% |
| Thursday | 78°F | Mostly Sunny | 0 to 5 mph S | 8% |
| Thursday Night | 62°F | Mostly Clear | 0 to 5 mph SW | 5% |
| Friday | 80°F | Sunny | 5 to 10 mph SW | 1% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph SW | 11% |
| Saturday | 76°F | Sunny then Slight Chance Rain Showers | 10 to 15 mph SW | 18% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 38% |
| Sunday | 76°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 41% |
| Sunday Night | 63°F | Chance Rain Showers | 5 to 10 mph W | 41% |
| Monday | 74°F | Slight Chance Rain Showers | 5 to 10 mph W | 22% |
| Monday Night | 62°F | Chance Rain Showers | 0 to 5 mph NW | 33% |
Forecast source: National Weather Service (api.weather.gov) for Harbor Springs (45.432, -84.989). Updated through the day.
Growing snapshot for Harbor Springs
Last spring frost
May 15
First fall frost
Oct 16
Growing season
152 days
Hardiness zone
5b
More local growing data for Harbor Springs: nearby ZIP 49740 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Alanson
Bay View
Brutus
Carp Lake
Conway
Cross Village
Levering
Mackinaw City
Oden
Pellston
Ponshewaing
Climate data from the nearest NOAA station, Cross Village 1E, Mi (8.3 mi from Harbor Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.