Grand Rapids, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Grand Rapids weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle62%0.02″86°69°—
- SundayJul 5Overcast36%—83°68°-3°
- MondayJul 6Overcast——82°60°-1°
- TuesdayJul 7Overcast——84°60°+2°
- WednesdayJul 8Light Drizzle14%—83°64°-1°
- ThursdayJul 9Overcast23%—79°64°-4°
- FridayJul 10Overcast24%—85°63°+6°
AQI 45 (Good), driven by Ozone. AQI down 36 over the last 6 hours — air quality is improving sharply. Ozone at AQI 40 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
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 40 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 40
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:42 PM
- Moonset
- 10:44 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grand Rapids at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 49503, 49504, 49505, 49506, 49507, 49508, 49512, 49525 +4 more
15-Day Forecast — Grand Rapids
- Sat85°68°62%
- Sun83°68°36%
- Mon82°60°6%
- Tue84°60°2%
- Wed83°64°14%
- Thu79°64°23%
- Fri85°63°24%
- Sat78°63°15%
- Sun76°64°11%
- Mon90°63°11%
- Tue71°63°12%
- Wed81°58°16%
- Thu85°61°29%
- Fri82°69°39%
- Sat82°60°14%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Grand Rapids
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Grand Rapids
SPC includes Grand Rapids in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Grand Rapids peaks at about 74°F in July and bottoms near 23°F in January; June brings the heaviest rain (3.8 inches) and February the least (2.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 2.0″ | 20 |
| February | 24° | 2.0″ | 16 |
| March | 34° | 2.7″ | 18 |
| April | 47° | 3.5″ | 17 |
| May | 57° | 3.6″ | 17 |
| June | 68° | 3.8″ | 16 |
| July | 74° | 3.1″ | 14 |
| August | 73° | 3.1″ | 14 |
| September | 65° | 3.4″ | 14 |
| October | 53° | 3.1″ | 14 |
| November | 39° | 3.2″ | 17 |
| December | 28° | 2.6″ | 21 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Grand Rapids's January averages 23°F and July 74°F — 51°F apart — while precipitation totals roughly 36.2 inches over some 198 days.
Rainfall in Grand Rapids stays even across the calendar: June tops out at 3.8 inches over 15.7 rainy days, and February still logs 2.0 inches across 16.4 — a narrow range for Grand Rapids. That even rhythm groups Grand Rapids with places like East Grand Rapids, MI, Walker, MI and Wyoming, MI.
By late-May the frosts ease in Grand Rapids, opening the season for kale, peas, spinach, and parsnips. Warm-soil crops in Grand Rapids wait about two weeks past Grand Rapids's last frost, once the soil warms. It shuts near early-October, when freezes return to Grand Rapids and tender plants need cover. Within Grand Rapids, cold-air pooling chills low spots by 5-10°F, shifting Grand Rapids's local frost dates.
Similar climates: East Grand Rapids, MI, Walker, MI, Wyoming, MI, Comstock Park, MI, Kentwood, MI.
Naturalist notes
By late May, American robins have typically completed their second broods across Grand Rapids neighborhoods.
Common lilacs finish their peak bloom period in early June, marking the transition into full summer.
Frequently asked
- When does it freeze in Grand Rapids?
- Grand Rapids's last spring frost lands near mid-May, and in Grand Rapids the first fall frost follows around mid-October.
- What is the rainy season in Grand Rapids?
- June is the wettest month in Grand Rapids, about 3.8 inches on average; the year totals roughly 36 inches.
- What is the warmest month in Grand Rapids?
- Grand Rapids peaks in July, when the mean runs near 74°F.
- What is the coldest month in Grand Rapids?
- January is Grand Rapids's coldest month, averaging about 23°F.
- When can I start a vegetable garden in Grand Rapids?
- In Grand Rapids, sow peas and hardy greens around mid-May; Grand Rapids's tomatoes and peppers wait two weeks more.
- How many rainy days does Grand Rapids get?
- Grand Rapids records around 198 days of measurable precipitation annually.
- What hardiness zone is Grand Rapids?
- With January around 23°F, Grand Rapids's zone reflects that minimum — the USDA ZIP map confirms Grand Rapids's band.
- What is the 10-day forecast for Grand Rapids?
- Grand Rapids'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 Grand Rapids?
- See this week's day-by-day rain chances for Grand Rapids in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Grand Rapids?
- Current conditions for Grand Rapids and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Grand Rapids forecast updated?
- The Grand Rapids forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Grand Rapids?
- Today's sunrise and sunset times for Grand Rapids 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 Grand Rapids?
- The next few days in Grand Rapids's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The warm-summer humid continental climate of Grand Rapids, Michigan carries typical Januarys near 23°F and Julys around 74°F — 51°F of seasonal travel.
Across the year, Grand Rapids collects about 36 inches of precipitation over roughly 198 days with measurable rain or snow.
Grand Rapids sits at 43.0°N; that 51°F seasonal swing frames planting windows and frost dates across Grand Rapids.
ZIP codes in Grand Rapids
- 49546
- 49506
- 49505
- 49503
- 49507
- 49504
- 49508
- 49501
- 49502
- 49514
- 49515
- 49523
- 49555
- 49588
- 49599