Muskegon, Michigan Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Muskegon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——78°51°—
- ThursdayJun 4Overcast——82°58°+4°
- FridayJun 5Rain79%0.16″71°62°-11°
- SaturdayJun 6Showers79%0.02″76°60°+5°
- SundayJun 7Overcast——83°59°+7°
- MondayJun 8Overcast——82°60°-1°
- TuesdayJun 9Light Drizzle13%0.02″76°65°-6°
PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.87 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust. AQI up 14 over the last 6 hours (gradual rise).
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 49. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 49
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.87 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:25 AM
- Moonset
- 1:35 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Muskegon at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Muskegon
SPC has placed Muskegon in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.
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
July brings Muskegon's warmest temperatures at roughly 72°F mean, while January delivers the coldest at around 27°F. October sees peak rainfall with 3.8 inches, contrasting with February's low of 2.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 27° | 2.4″ | 7 |
| February | 28° | 2.1″ | 5 |
| March | 36° | 2.4″ | 6 |
| April | 47° | 3.5″ | 7 |
| May | 58° | 3.4″ | 7 |
| June | 67° | 3.0″ | 6 |
| July | 72° | 2.8″ | 5 |
| August | 71° | 3.1″ | 6 |
| September | 64° | 3.3″ | 6 |
| October | 52° | 3.8″ | 8 |
| November | 41° | 2.9″ | 7 |
| December | 32° | 2.4″ | 7 |
Regional context
Located within a warm-summer humid continental climate region, Muskegon shares temperature ranges, seasonal patterns, and growing conditions with other nearby cities in this climate zone.
Similar climates: Detroit, MI, Grand Rapids, MI, Lansing, MI, Ann Arbor, MI, Flint, MI.
Naturalist notes
American robins typically begin their dawn chorus in late April as daylight hours stretch longer.
Sugar maple buds break in early May when soil temperatures warm sufficiently for root activity.
Frequently asked
- When does it freeze in Muskegon?
- Spring's last frost typically occurs around mid-May in Muskegon, while the first fall frost returns around mid-October.
- What is the rainy season in Muskegon?
- October ranks as the wettest month, delivering about 3.8 inches of rain on average, while the city receives roughly 35 inches annually.
- What is the warmest month in Muskegon?
- July typically brings the warmest weather, with temperatures averaging about 72°F.
- What is the coldest month in Muskegon?
- January typically brings the coldest conditions, with temperatures averaging about 27°F.
- When can I start a vegetable garden in Muskegon?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-May, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after.
- How many rainy days does Muskegon get?
- Muskegon experiences about 76 rainy days per year on average.
- What hardiness zone is Muskegon?
- Muskegon's USDA hardiness zone depends on its lowest average winter temperature; the USDA's online lookup tool can provide the current zone designation using the city ZIP code.
Climate
Muskegon, Michigan experiences a warm-summer humid continental climate. Temperatures hover near 27°F in January and average 72°F in July, creating a 45°F seasonal swing.
Annual precipitation totals about 35 inches, distributed across roughly 76 rainy days throughout the year.
Geography shapes Muskegon's weather patterns through its latitude of 43.2°N, proximity to large water bodies, and elevation. These factors determine growing conditions, frost timing, and daily weather variations.