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Cedar Rapids, Iowa Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Cedar Rapids, IA
Sunday, July 5 at 3:33 AM
69
°
Overcast
Feels like
73°
Humidity
91%
Wind
5 mph
Sunrise
12:37 AM
Sunset
3:45 PM
Cedar Rapids, IA
Hour by hour · 24h
24-Hour ForecastCedar Rapids, IA: 24-hour forecast. Temperatures range from 68 to 86 degrees Fahrenheit.
L 68°H 86°
Cedar Rapids, IA
7-day forecast
  1. Today
    Jul 5
    Overcast
    —
    —
    86°68°—
  2. Monday
    Jul 6
    Clear
    —
    —
    88°67°+2°
  3. Tuesday
    Jul 7
    Overcast
    —
    —
    81°63°-7°
  4. Wednesday
    Jul 8
    Thunderstorm
    38%
    —
    83°64°+2°
  5. Thursday
    Jul 9
    Showers
    57%
    0.07″
    77°67°-6°
  6. Friday
    Jul 10
    Overcast
    15%
    —
    79°64°+2°
  7. Saturday
    Jul 11
    Overcast
    —
    —
    81°68°+2°
Cedar Rapids, IA
Next 24 hours · Mild now
HOT 90°64°77°90°12a6a12p6pnow 69°high 86°low 68°
Cedar Rapids, IA
Anemometer · 24h winds · from true
NESW
From · True
NNE
014° · backing 12°
Direction
NNE
014°
Sustained
5
mph
Gust
14
mph
Peak 24h
22
avg 5
Beaufort · 2 · LIGHT 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 5 · pk 22 @ 6:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 134SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 12° from the nne.
Cedar Rapids, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
988.7
+0.3 mb in 3h · steady · 29.20 inHg
Now
988.7
mb
3h
+0.3
mb
12h
+0.3
mb
24h
+0.1
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-24hNOW989.9986.0988.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Cedar Rapids, IA
Air quality
31
AQI
Good
↓-12 in 6h

AQI 31 (Good), driven by Ozone. AQI down 12 over the last 6 hours (gradual decline).

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

PM 2.5Good
2.5μg/m³
PM 10Good
3μg/m³
NO₂Good
9μg/m³
OzoneDRIVERGood
38μg/m³
UV IndexLow
0.0

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 TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³300
Cedar Rapids, IA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
27.5mi
UNLIMITED
59 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
08:33 UTC · Cedar Rapids, IA · 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
08:33 UTC · Cedar Rapids, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Cedar Rapids, IA
Satellite · infrared · animated
Cedar Rapids, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Cedar Rapids, IA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:04 AM
Sunrise
12:37 AM
Daylight
15h 08m
Sunset
3:45 PM
Civil dusk
9:20 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Cedar Rapids, IA
The moon
Waning Gibbous
74% illuminated
Moonrise
11:26 PM
Moonset
11:18 AM
In sign
♓︎ Pisces
Cedar Rapids, IA
Microseason
Jul 1–5

Cicadas claim the afternoon

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Cedar Rapids at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: April 28 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 52401, 52402, 52403, 52404, 52405, 52411

15-Day Forecast — Cedar Rapids

  1. Sun86°68°6%
  2. Mon88°67°2%
  3. Tue81°63°2%
  4. Wed83°64°38%
  5. Thu77°67°57%
  6. Fri79°64°15%
  7. Sat81°68°7%
  8. Sun85°68°7%
  9. Mon85°66°7%
  10. Tue85°69°4%
  11. Wed86°66°9%
  12. Thu85°69°20%
  13. Fri85°68°19%
  14. Sat84°67°26%
  15. Sun86°67°16%

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

Live wind & temperature near Cedar Rapids

Right now in the garden

Peak growing season

As of July 5, 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 — Cedar Rapids

SPC includes Cedar Rapids in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWNONENo severe risk
  • 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: Winter settles deep on the plains.January 6–10: Arctic cold grips the heartland.January 11–15: Sunlight returns to the sloped terrain.January 16–20: Ring-necked pheasants call from cover.January 21–25: Deepest cold locks the prairie.January 26–31: Deep winter's pivot point.February 1–5: February's first breath.February 6–10: Subtle shifts in the light.February 11–15: Bald eagles concentrate on open water.February 16–20: Cold rebound before the final thaw.February 21–25: First killdeer return to thawed fields.February 26–28: Winter's veil grows thin.March 1–5: Ice withdraws from the land.March 6–10: Hibernators wake to open air.March 11–15: Spring arrives with fury and grace.March 16–20: Sandhill Cranes Rise from the Platte.March 21–25: Equinox — Night and Day Hold Balance.March 26–31: First Green Breaks Through Brown Earth.April 1–5: Thunder Voices Wake the Prairie.April 6–10: Cliff Swallows Return to Mud Nests.April 11–15: Wild Geese Wing North in Massive Flocks.April 16–20: Rainbows Follow Afternoon Storms.April 21–25: Prairie Sedges Push Through Wet Soil.April 26–30: Last Frost Retreats North.May 1–5: Wildflowers Erupt Across the Prairie.May 6–10: Grain Rains Feed the Growing Fields.May 11–15: Seedlings Rise From Frost-Free Soil.May 16–20: Roses Bloom Along the Shelter Rows.May 21–25: Summer Arrives Early in Wind and Heat.May 26–31: Frogs Begin Their Nightly Chorus.June 1–5: Prairie lightning bugs rise.June 6–10: Earthworms surface after rain.June 11–15: Toward the solstice glow.June 16–20: Lesser ripening, greater heat.June 21–25: Solstice—sun at zenith.June 26–30: Fireflies in the darkening oak.July 1–5: Cicadas claim the afternoon.July 6–10: Warm wind sweeps the tallgrass.July 11–15: Thunder builds every afternoon.July 16–20: Corn tassels and reaches peak.July 21–25: Dog days settle in haze.July 26–31: Katydid chorus erupts at dusk.August 1–5: Great rains sometimes fall.August 6–10: Autumn's edge approaches.August 11–15: Cool wind rises from the north.August 16–20: Late summer wind through tallgrass.August 21–25: Dew settles on the tallgrass.August 26–31: Monarchs gather on prairie.September 1–5: Corn tassels and heavy skies.September 6–10: Purple asters rise on the prairie.September 11–15: Hawks ride thermal currents south.September 16–20: Equinox brings balance to day.September 21–25: Thunder stills across the plains.September 26–30: Snow geese wheel through the flyway.October 1–5: Prairie enters dormancy slowly.October 6–10: Geese gather on autumn waters.October 11–15: First widespread freeze arrives.October 16–20: Oaks turn bronze and russet.October 21–25: Frost deepens through the night.October 26–31: Light rains fall on frozen ground.November 1–5: Tallgrass turns gold.November 6–10: North wind strips the oak.November 11–15: Frost locks the prairie.November 16–20: Open sky grows cold.November 21–25: First snow falls soft.November 26–30: Blizzard drives the herds.December 1–5: Deep winter takes hold.December 6–10: Sky closes cold, winter reigns.December 11–15: Darkness deepens, life retreats.December 16–20: Rivers turn to stone.December 21–25: Solstice — 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

Millions of periodical and annual cicadas emerge, their droning chorus filling the summer heat; the soundtrack of midsummer settles over prairie and wetland.

Day 186 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——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

In Cedar Rapids, July runs warmest near 73°F and January coldest around 20°F, while June is the wettest month (5.6 inches) and January the driest (0.9 inches).

MonthMean tempPrecipRainy days
January20°0.9″3
February24°1.2″3
March37°2.0″5
April49°3.6″7
May60°4.3″8
June70°5.6″9
July73°4.4″6
August71°4.1″6
September63°3.4″6
October51°2.9″5
November37°2.0″4
December25°1.6″4

Regional context

Cedar Rapids swings from 20°F in January to 73°F in July (53°F) per NOAA NCEI 1991-2020 normals; precipitation in Cedar Rapids runs about 35.9 inches on roughly 67 measurable days.

Precipitation in Cedar Rapids runs summer-dominant: June averages 5.6 inches across 8.5 days of warm-season storms, while January drops to 0.9 inches over 2.9 rainy days of drier cool air. That puts Cedar Rapids in a summer-convective cohort with places like Fairfax, IA, Hiawatha, IA and Marion, IA.

Around mid-April, Cedar Rapids sheds its freezing nights — kale, peas, spinach, and parsnips go into Cedar Rapids's beds. Heat-demanding starts go out a fortnight on in Cedar Rapids, after the soil warms and cold snaps clear. The season ends by mid-November in Cedar Rapids, once hard frosts set back in. A creek-bottom lot in Cedar Rapids can lag Cedar Rapids's last frost 7-10 days behind a south slope.

Similar climates: Fairfax, IA, Hiawatha, IA, Marion, IA, Bertram, IA, Ely, IA.

Naturalist notes

American robins typically begin their first nesting attempts in Cedar Rapids during late April as soil temperatures warm enough for earthworm activity.

Oak trees usually complete leaf-out by mid-May when nighttime temperatures consistently stay above 50°F.

Frequently asked

When does it freeze in Cedar Rapids?
In Cedar Rapids, expect the last spring frost near mid-April; Cedar Rapids's first autumn frost comes around mid-November.
What is the rainy season in Cedar Rapids?
June is the wettest month in Cedar Rapids, about 5.6 inches on average; the year totals roughly 36 inches.
What is the warmest month in Cedar Rapids?
July is Cedar Rapids's warmest month, averaging about 73°F.
What is the coldest month in Cedar Rapids?
Cedar Rapids bottoms out in January, with a mean near 20°F.
When can I start a vegetable garden in Cedar Rapids?
Time tomatoes in Cedar Rapids for two weeks after mid-April; peas and greens start at Cedar Rapids's frost line.
How many rainy days does Cedar Rapids get?
Expect roughly 67 wet days a year in Cedar Rapids.
What hardiness zone is Cedar Rapids?
Cedar Rapids's hardiness zone tracks its winter low; with January near 20°F, check the USDA ZIP map for the exact zone.
What is the 10-day forecast for Cedar Rapids?
Cedar 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 Cedar Rapids?
See this week's day-by-day rain chances for Cedar Rapids in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Cedar Rapids?
Current conditions for Cedar 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 Cedar Rapids forecast updated?
The Cedar 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 Cedar Rapids?
Today's sunrise and sunset times for Cedar 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 Cedar Rapids?
The next few days in Cedar Rapids's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Cedar Rapids's warm-summer humid continental climate in Iowa pairs 20°F Januarys with 73°F Julys, 53°F apart across the seasons.

Across the year, Cedar Rapids collects about 36 inches of precipitation over roughly 67 days with measurable rain or snow.

At 42.0°N, Cedar Rapids's 53°F summer-to-winter swing sets when Cedar Rapids's gardens wake and when frost returns.

All cities in Iowa →

Des Moines, IA weather →

ZIP codes in Cedar Rapids

  • 52404
  • 52405
  • 52401
  • 52411
  • 52402
  • 52403
  • 52406
  • 52407
  • 52408
  • 52409
  • 52410
  • 52497
  • 52498
  • 52499

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.