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Swartz Creek, Michigan Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Swartz Creek weather forecast — hour by hour, 7-day outlook, NOAA radar

Swartz Creek, MI
Saturday, July 4 at 5:33 AM
69
°
Drizzle
Feels like
71°
Humidity
87%
Wind
8 mph
Sunrise
2:02 AM
Sunset
5:17 PM
Swartz Creek, MI
Hour by hour · 24h
24-Hour ForecastSwartz Creek, MI: 24-hour forecast. Temperatures range from 69 to 83 degrees Fahrenheit with a 46% chance of precipitation at 5 AM.
L 69°H 83°
Swartz Creek, MI
7-day forecast
  1. Today
    Jul 4
    Light Rain
    46%
    0.12″
    83°68°—
  2. Sunday
    Jul 5
    Light Rain
    36%
    0.07″
    79°66°-4°
  3. Monday
    Jul 6
    Overcast
    —
    —
    72°62°-7°
  4. Tuesday
    Jul 7
    Clear
    —
    —
    81°58°+9°
  5. Wednesday
    Jul 8
    Overcast
    10%
    —
    83°59°+2°
  6. Thursday
    Jul 9
    Light Drizzle
    33%
    —
    77°63°-6°
  7. Friday
    Jul 10
    Overcast
    28%
    —
    81°63°+4°
Swartz Creek, MI
Next 24 hours · Mild now
64°76°88°6a12p6p12anow 69°high 83°low 69°PRECIP %
Swartz Creek, MI
Anemometer · 24h winds · from true
NESW
From · True
SSW
205° · backing 25°
Direction
SSW
205°
Sustained
8
mph
Gust
21
mph
Peak 24h
25
avg 8
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 8 · pk 25 @ 7:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 213SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 25° from the ssw.
Swartz Creek, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
988.2
+0.8 mb in 3h · rising · 29.18 inHg
Now
988.2
mb
3h
+0.8
mb
12h
+0.7
mb
24h
-0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986–990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW989.7986.1988.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Swartz Creek, MI
Air quality
37
AQI
Good
↓-12 in 6h

AQI 37 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM scrubbed by 3 hours of recent rain — PM2.5 down to 10.1 µg/m³, PM10 to 10.7 µg/m³.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
10.1μg/m³
PM 10Good
11μg/m³
NO₂Good
10μg/m³
OzoneModerate
63μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~77%) — 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

PM scrubbed by 3 hours of recent rain — PM2.5 down to 10.1 µg/m³, PM10 to 10.7 µg/m³.

PM2.5/PM10
0.94
Wind
light
Recent rain
3h in last 6h
Pattern
washed out

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).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³300
Swartz Creek, MI
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
26.9mi
UNLIMITED
82 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
09:33 UTC · Swartz Creek, MI · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
09:33 UTC · Swartz Creek, MI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Swartz Creek, MI
Satellite · infrared · animated
Swartz Creek, MI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Swartz Creek, MI
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:27 AM
Sunrise
2:02 AM
Daylight
15h 15m
Sunset
5:17 PM
Civil dusk
9:53 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Swartz Creek, MI
The moon
Waning Gibbous
82% illuminated
Moonrise
11:34 PM
Moonset
10:36 AM
In sign
♓︎ Pisces
Swartz Creek, MI
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Swartz Creek 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 code: 48473

15-Day Forecast — Swartz Creek

  1. Sat85°68°46%
  2. Sun79°66°36%
  3. Mon72°62°6%
  4. Tue81°58°4%
  5. Wed83°59°10%
  6. Thu77°63°33%
  7. Fri81°63°28%
  8. Sat82°62°18%
  9. Sun77°61°17%
  10. Mon82°59°18%
  11. Tue72°62°13%
  12. Wed79°57°18%
  13. Thu82°58°30%
  14. Fri79°65°29%
  15. Sat75°57°14%

Forecast data from Open-Meteo (CC BY 4.0).

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 — Swartz Creek

SPC includes Swartz Creek 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.

January 1–5: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

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

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
April——
Maylettuce, peas, spinach, radisheslettuce, peas, radishes
Junelettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
October—winter squash, tomatoes (last)
November——
December——

A year in weather

Swartz Creek's warmest month is July (~71°F mean) and its coldest is January (~23°F). Rainfall peaks in May (3.7 inches) and bottoms out in February (1.7 inches).

MonthMean tempPrecipRainy days
January23°2.1″6
February25°1.7″4
March33°1.9″5
April46°3.4″7
May57°3.7″7
June67°3.1″6
July71°3.4″6
August69°3.3″6
September62°2.9″6
October50°3.0″7
November39°2.4″6
December29°2.1″6

Regional context

Swartz Creek's climate, from NOAA NCEI 1991-2020 station normals, pairs 23°F Januarys with 71°F Julys — a 48°F swing. About 32.9 inches of precipitation falls over roughly 71 days a year.

Swartz Creek's rain peaks in summer: May brings 3.7 inches over 7.1 thunderstorm-fed days, while February sees just 1.7 inches across 4.4 days under cooler, drier air. That puts Swartz Creek in a summer-convective cohort with places like Lennon, MI, Flushing, MI and Gaines, MI.

Swartz Creek's growing window opens around late-May, once Swartz Creek's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. Warm-soil crops in Swartz Creek wait about two weeks past Swartz Creek's last frost, once the soil warms. Swartz Creek's window closes around early-October as overnight lows return below freezing. In Swartz Creek, low spots run 4-7°F colder than nearby slopes, nudging Swartz Creek's frost dates a week.

Similar climates: Lennon, MI, Flushing, MI, Gaines, MI, Flint, MI, Durand, MI.

Frequently asked

When does it freeze in Swartz Creek?
Frost typically leaves Swartz Creek by mid-May and returns to Swartz Creek near mid-October.
What is the rainy season in Swartz Creek?
May is the wettest month in Swartz Creek, about 3.7 inches on average; the year totals roughly 33 inches.
What is the warmest month in Swartz Creek?
On average July tops the year in Swartz Creek at about 71°F.
What is the coldest month in Swartz Creek?
The coldest stretch in Swartz Creek falls in January, around 23°F on average.
When can I start a vegetable garden in Swartz Creek?
Around mid-May, start frost-hardy crops in Swartz Creek; tomatoes and basil belong a fortnight later.
How many rainy days does Swartz Creek get?
Swartz Creek averages about 71 days with measurable rain or snow each year.
What hardiness zone is Swartz Creek?
Since January in Swartz Creek averages 23°F, Swartz Creek's USDA zone follows that floor — confirm it by ZIP.
What is the 10-day forecast for Swartz Creek?
Swartz Creek'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 Swartz Creek?
See this week's day-by-day rain chances for Swartz Creek in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Swartz Creek?
Current conditions for Swartz Creek and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Swartz Creek forecast updated?
The Swartz Creek forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Swartz Creek?
Today's sunrise and sunset times for Swartz Creek 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 Swartz Creek?
The next few days in Swartz Creek'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 Swartz Creek, Michigan carries typical Januarys near 23°F and Julys around 71°F — 48°F of seasonal travel.

Yearly precipitation in Swartz Creek totals around 33 inches, spread over about 71 days of rain or snow.

From 43.0°N, Swartz Creek sees a 48°F seasonal swing that governs Swartz Creek's planting and frost windows.

All cities in Michigan →

Flint, MI weather →

ZIP codes in Swartz Creek

  • 48473

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.