Weather StoryAlmanac, microseasons, and the day's weather story.

DeWitt, Michigan Weather

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

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

DeWitt, MI
Saturday, July 4 at 5:27 AM
69
°
Overcast
Feels like
72°
Humidity
95%
Wind
8 mph
Sunrise
2:05 AM
Sunset
5:20 PM
DeWitt, MI
Hour by hour · 24h
24-Hour ForecastDeWitt, MI: 24-hour forecast. Temperatures range from 69 to 85 degrees Fahrenheit with a 68% chance of precipitation at 5 AM.
L 69°H 85°
DeWitt, MI
7-day forecast
  1. Today
    Jul 4
    Light Rain
    72%
    0.09″
    85°69°—
  2. Sunday
    Jul 5
    Overcast
    33%
    —
    81°68°-4°
  3. Monday
    Jul 6
    Overcast
    —
    —
    77°59°-4°
  4. Tuesday
    Jul 7
    Partly Cloudy
    —
    —
    81°57°+4°
  5. Wednesday
    Jul 8
    Overcast
    —
    —
    82°59°+1°
  6. Thursday
    Jul 9
    Light Drizzle
    26%
    —
    76°65°-6°
  7. Friday
    Jul 10
    Overcast
    23%
    —
    82°63°+6°
DeWitt, MI
Next 24 hours · Mild now
66°77°88°6a12p6p12anow 69°high 85°low 69°PRECIP %
DeWitt, MI
Anemometer · 24h winds · from true
NESW
From · True
S
172° · backing 66°
Direction
S
172°
Sustained
8
mph
Gust
16
mph
Peak 24h
28
avg 9
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 9 · pk 28 @ 6:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 224SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 66° from the s.
DeWitt, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.5
+0.5 mb in 3h · steady · 29.13 inHg
Now
986.5
mb
3h
+0.5
mb
12h
+0.6
mb
24h
-0.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985–988
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.1984.5986.7
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
DeWitt, MI
Air quality
42
AQI
Good
↓-22 in 6h

AQI 42 (Good), driven by PM2.5. AQI down 22 over the last 6 hours — air quality is improving sharply. PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.7 µg/m³, PM10 to 10.3 µg/m³.

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

PM 2.5DRIVERGood
9.7μg/m³
PM 10Good
10μg/m³
NO₂Good
10μg/m³
OzoneModerate
71μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.

Present
AQI 34
UV peak
3.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 8

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.7 µg/m³, PM10 to 10.3 µg/m³.

PM2.5/PM10
0.94
Wind
light
Recent rain
2h 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
DeWitt, MI
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
26.1mi
UNLIMITED
72 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
09:27 UTC · DeWitt, 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
09:27 UTC · DeWitt, MI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
DeWitt, MI
Satellite · infrared · animated
DeWitt, MI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
DeWitt, MI
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:31 AM
Sunrise
2:05 AM
Daylight
15h 15m
Sunset
5:20 PM
Civil dusk
9:56 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
DeWitt, MI
The moon
Waning Gibbous
83% illuminated
Moonrise
11:37 PM
Moonset
10:40 AM
In sign
♓︎ Pisces
DeWitt, MI
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

DeWitt at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: May 3 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 48820

15-Day Forecast — DeWitt

  1. Sat84°69°72%
  2. Sun81°68°33%
  3. Mon77°59°6%
  4. Tue81°57°2%
  5. Wed82°59°8%
  6. Thu76°65°26%
  7. Fri82°63°23%
  8. Sat82°62°17%
  9. Sun76°61°13%
  10. Mon83°60°13%
  11. Tue71°61°9%
  12. Wed80°56°16%
  13. Thu82°58°33%
  14. Fri81°66°35%
  15. Sat75°60°16%

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 — DeWitt

SPC includes DeWitt 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

DeWitt peaks at about 72°F in July and bottoms near 24°F in January; June brings the heaviest rain (3.8 inches) and February the least (1.7 inches).

MonthMean tempPrecipRainy days
January24°2.1″5
February26°1.7″5
March35°2.1″6
April47°3.3″8
May58°3.7″7
June68°3.8″6
July72°2.9″6
August70°3.5″6
September63°2.8″5
October51°3.2″7
November40°2.5″5
December30°1.9″5

Regional context

DeWitt's climate, from NOAA NCEI 1991-2020 station normals, pairs 24°F Januarys with 72°F Julys — a 48°F swing. About 33.3 inches of precipitation falls over roughly 71 days a year.

Summer convection drives DeWitt's precipitation: June logs 3.8 inches on 6.2 rainy days, against February's 1.7 inches on 4.6 — warm-season storms carry DeWitt's moisture. That puts DeWitt in a summer-convective cohort with places like Wacousta, MI, Bath, MI and Edgemont Park, MI.

DeWitt's growing window opens around late-May, once DeWitt's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. In DeWitt, warm-season transplants — tomatoes, peppers, basil — wait two weeks past DeWitt's frost date. DeWitt's window closes around early-October as overnight lows return below freezing. In DeWitt, low spots run 4-7°F colder than nearby slopes, nudging DeWitt's frost dates a week.

Similar climates: Wacousta, MI, Bath, MI, Edgemont Park, MI, Waverly, MI, East Lansing, MI.

Frequently asked

When does it freeze in DeWitt?
DeWitt's last spring frost lands near mid-May, and in DeWitt the first fall frost follows around mid-October.
What is the rainy season in DeWitt?
June is the wettest month in DeWitt, about 3.8 inches on average; the year totals roughly 33 inches.
What is the warmest month in DeWitt?
On average July tops the year in DeWitt at about 72°F.
What is the coldest month in DeWitt?
The coldest stretch in DeWitt falls in January, around 24°F on average.
When can I start a vegetable garden in DeWitt?
Around mid-May, start frost-hardy crops in DeWitt; tomatoes and basil belong a fortnight later.
How many rainy days does DeWitt get?
DeWitt averages about 71 days with measurable rain or snow each year.
What hardiness zone is DeWitt?
Since January in DeWitt averages 24°F, DeWitt's USDA zone follows that floor — confirm it by ZIP.
What is the 10-day forecast for DeWitt?
DeWitt'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 DeWitt?
See this week's day-by-day rain chances for DeWitt in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in DeWitt?
Current conditions for DeWitt and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the DeWitt forecast updated?
The DeWitt forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in DeWitt?
Today's sunrise and sunset times for DeWitt 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 DeWitt?
The next few days in DeWitt's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In DeWitt, Michigan, the warm-summer humid continental climate runs from about 24°F in January to 72°F in July, a 48°F seasonal range.

Rain and snow bring DeWitt roughly 33 inches a year across approximately 71 measurable-precipitation days.

DeWitt's 48°F range, set by its 42.8°N position, drives frost timing and what thrives in DeWitt.

All cities in Michigan →

Lansing, MI weather →

ZIP codes in DeWitt

  • 48820

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.