Interlochen, Michigan Weather
Day 93 of summer. Read today’s microseason across nine climate regions →
Interlochen weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 2:01 AM EDT · Open-Meteo
- TodaySep 21Overcast——61°47°—
- TuesdaySep 22Mostly Clear——65°44°+4°
- WednesdaySep 23Clear——72°45°+7°
- ThursdaySep 24Overcast——73°46°+1°
- FridaySep 25Overcast——73°49°0°
- SaturdaySep 26Overcast——75°48°+2°
- SundaySep 27Overcast10%—76°49°+1°
Air quality now AQI 29 · Good
AQI 29 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 5:30 PM
- Moonset
- 1:46 AM
- In sign
- ♑︎ Capricorn
Interlochen at a glance
- Today vs. normal: Today averages 54°F (high 61°F, low 47°F), 4°F below the 58°F normal for Sep 21
- Last frost: May 9 (1991–2020 median, NOAA station 16 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
15-Day Forecast — Interlochen
- Mon61°47°0%
- Tue65°44°0%
- Wed71°45°0%
- Thu73°48°0%
- Fri74°48°0%
- Sat73°49°1%
- Sun76°52°10%
- Mon77°51°12%
- Tue75°52°24%
- Wed73°58°24%
- Thu64°49°25%
- Fri66°45°23%
- Sat76°53°19%
- Sun53°44°20%
- Mon48°43°17%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 15) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Interlochen
Interlochen sits in Grand Traverse County, where the year’s longest day runs 15h 34m of daylight and its shortest just 8h 48m — a swing of +6h 46m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Detroit, the state’s largest city, lies about 206 miles to the SE. The nearest town Interlochen tracks is Leland, roughly 26 miles to the N.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes | spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash, fall brassicas, carrots | lettuce, peas, spinach, summer squash, garlic |
| August | — | peas, tomatoes, peppers, beans, summer squash, garlic |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Interlochen's warmest month is July (~69°F mean) and its coldest is January (~22°F). Rainfall peaks in October (4.1 inches) and bottoms out in February (2.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 22° | 2.7″ | 21 |
| February | 22° | 2.0″ | 16 |
| March | 30° | 2.1″ | 12 |
| April | 41° | 3.4″ | 13 |
| May | 54° | 3.5″ | 14 |
| June | 64° | 2.9″ | 10 |
| July | 69° | 2.8″ | 10 |
| August | 68° | 3.2″ | 11 |
| September | 60° | 3.6″ | 11 |
| October | 48° | 4.1″ | 17 |
| November | 37° | 3.2″ | 15 |
| December | 27° | 2.7″ | 18 |
Regional context
Similar climates Bendon, MI, Grawn, MI, Hardwood Acres, MI
Drawing on NOAA NCEI 1991-2020 normals, Interlochen's January averages 22°F and July 69°F — 47°F apart — while precipitation totals roughly 36.2 inches over some 168 days.
Rainfall in Interlochen splits evenly between the seasons: October tops out at 4.1 inches over 16.9 rainy days, and February logs 2.0 inches across 16.1 — neither half of Interlochen's year dominates. That even rhythm groups Interlochen with places like Bendon, MI, Grawn, MI and Hardwood Acres, MI.
By May 9 the frosts ease in Interlochen, opening the season for kale, peas, spinach, and parsnips. In Interlochen, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Interlochen's frost date. It shuts near October 15, when freezes return to Interlochen and tender plants need cover. Sheltered Interlochen yards can escape a light frost.
Similar climates: Bendon, MI, Grawn, MI, Hardwood Acres, MI, Chums Corner, MI, Maple Grove, MI.
Frequently asked
- When does it freeze in Interlochen?
- In Interlochen, expect the last spring frost near May 9; Interlochen's first autumn frost comes around October 15.
- What is the rainy season in Interlochen?
- Rainfall in Interlochen peaks in October near 4.1 inches, out of about 36 inches annually.
- What is the warmest month in Interlochen?
- On average July tops the year in Interlochen at about 69°F.
- What is the coldest month in Interlochen?
- The coldest stretch in Interlochen falls in January, around 22°F on average.
- When can I start a vegetable garden in Interlochen?
- In Interlochen, sow peas and hardy greens around May 9; Interlochen's tomatoes and peppers wait two weeks more.
- How many rainy days does Interlochen get?
- Interlochen records around 168 days of measurable precipitation annually.
- What hardiness zone is Interlochen?
- Because Interlochen bottoms near 22°F in January, that winter low sets Interlochen's USDA zone — verify by ZIP.
- What is the 10-day forecast for Interlochen?
- Interlochen's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Interlochen?
- See this week's day-by-day rain chances for Interlochen in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Interlochen?
- Current conditions for Interlochen and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Interlochen forecast updated?
- The Interlochen forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Interlochen?
- Today's sunrise and sunset times for Interlochen are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Interlochen?
- The next few days in Interlochen's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Interlochen sits at 44.6°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Interlochen
- 49637
- 49643