Kalamazoo, Michigan Weather
Day 93 of summer. Read today’s microseason across nine climate regions →
Kalamazoo weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 12:40 AM EDT · Open-Meteo
- TodaySep 21Overcast——64°52°—
- TuesdaySep 22Overcast——61°46°-3°
- WednesdaySep 23Overcast——61°55°0°
- ThursdaySep 24Overcast——69°54°+8°
- FridaySep 25Overcast——71°47°+2°
- SaturdaySep 26Overcast——70°48°-1°
- SundaySep 27Overcast——73°47°+3°
Air quality now AQI 41 · Good
AQI 41 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 4.8 µg/m³, PM10 at 4.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 5:22 PM
- Moonset
- 1:55 AM
- In sign
- ♑︎ Capricorn
Kalamazoo at a glance
- Today vs. normal: Today averages 58°F (high 64°F, low 52°F), 3°F below the 61°F normal for Sep 21
- Last frost: April 28 (1991–2020 median, NOAA station 5 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
15-Day Forecast — Kalamazoo
- Mon64°52°1%
- Tue61°46°3%
- Wed61°55°2%
- Thu69°54°1%
- Fri71°47°1%
- Sat70°48°0%
- Sun73°47°6%
- Mon74°52°6%
- Tue74°51°19%
- Wed80°55°21%
- Thu74°54°13%
- Fri81°51°27%
- Sat85°64°27%
- Sun63°50°23%
- Mon57°40°20%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Kalamazoo
Interactive wind and temperature map centered on Kalamazoo — it loads in your browser. Open the full weather map.
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 18) 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 Kalamazoo
Kalamazoo sits in Kalamazoo County, where the year’s longest day runs 15h 16m of daylight and its shortest just 9h 5m — a swing of +6h 12m 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 127 miles to the E. The nearest town Kalamazoo tracks is Grand Rapids, roughly 48 miles to the N.
Air quality in Kalamazoo
Air quality in Kalamazoo’s county has held roughly steady since 2020; its cleanest year on record was 2020 (median AQI 41). See the full air-quality history for Kalamazoo.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter 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
July is Kalamazoo's warmest stretch (~73°F) and January its coldest (~25°F); precipitation crests in October at 3.7 inches and ebbs in February to 1.3 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 25° | 1.7″ | 4 |
| February | 27° | 1.3″ | 4 |
| March | 37° | 2.0″ | 5 |
| April | 49° | 3.1″ | 7 |
| May | 60° | 3.7″ | 9 |
| June | 69° | 3.2″ | 6 |
| July | 73° | 3.4″ | 6 |
| August | 71° | 3.7″ | 6 |
| September | 63° | 3.3″ | 6 |
| October | 52° | 3.7″ | 7 |
| November | 40° | 2.5″ | 6 |
| December | 30° | 1.7″ | 4 |
Regional context
Similar climates Westwood, MI, Eastwood, MI, Parchment, MI
Drawing on NOAA NCEI 1991-2020 normals, Kalamazoo's January averages 25°F and July 73°F — 48°F apart — while precipitation totals roughly 33.2 inches over some 69 days.
October is Kalamazoo's wettest month, at 3.7 inches over 7.1 days, and February its driest, at 1.3 inches over 3.6 days — yet May through September brings Kalamazoo more rain in total than November through March. The closest comparisons in Michigan are places like Westwood, MI, Eastwood, MI and Parchment, MI.
The cool-season window in Kalamazoo starts at April 28, when nights stop freezing — think kale, peas, spinach, and parsnips. Warm-soil crops in Kalamazoo wait about two weeks past Kalamazoo's last frost, once the soil warms. It shuts near October 18, when freezes return to Kalamazoo and tender plants need cover. Sheltered Kalamazoo yards can escape a light frost.
Similar climates: Westwood, MI, Eastwood, MI, Parchment, MI, Comstock Northwest, MI, Portage, MI.
Frequently asked
- When does it freeze in Kalamazoo?
- Frost typically leaves Kalamazoo by April 28 and returns to Kalamazoo near October 18.
- What is the rainy season in Kalamazoo?
- October is the wettest month in Kalamazoo, about 3.7 inches on average; the year totals roughly 33 inches.
- What is the warmest month in Kalamazoo?
- On average July tops the year in Kalamazoo at about 73°F.
- What is the coldest month in Kalamazoo?
- The coldest stretch in Kalamazoo falls in January, around 25°F on average.
- When can I start a vegetable garden in Kalamazoo?
- Around April 28, start frost-hardy crops in Kalamazoo; tomatoes and basil belong a fortnight later.
- How many rainy days does Kalamazoo get?
- Kalamazoo averages about 69 days with measurable rain or snow each year.
- What hardiness zone is Kalamazoo?
- Because Kalamazoo bottoms near 25°F in January, that winter low sets Kalamazoo's USDA zone — verify by ZIP.
- What is the 10-day forecast for Kalamazoo?
- Kalamazoo'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 Kalamazoo?
- See this week's day-by-day rain chances for Kalamazoo in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Kalamazoo?
- Current conditions for Kalamazoo and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Kalamazoo forecast updated?
- The Kalamazoo forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Kalamazoo?
- Today's sunrise and sunset times for Kalamazoo 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 Kalamazoo?
- The next few days in Kalamazoo's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Kalamazoo sits at 42.3°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Kalamazoo
- 49001
- 49004
- 49005
- 49006
- 49007
- 49008
- 49009
- 49019
- 49048
- 49074