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

Bloomfield, Iowa Weather

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

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

Bloomfield, IA
Saturday, July 4 at 11:14 AM
81
°
Clear
Feels like
85°
Humidity
58%
Wind
11 mph
Sunrise
12:43 AM
Sunset
3:44 PM
Bloomfield, IA
Hour by hour · 24h
24-Hour ForecastBloomfield, IA: 24-hour forecast. Temperatures range from 71 to 88 degrees Fahrenheit.
L 71°H 88°
Bloomfield, IA
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    27%
    0.01″
    88°70°
  2. Sunday
    Jul 5
    Light Rain
    15%
    0.10″
    87°71°-1°
  3. Monday
    Jul 6
    Overcast
    12%
    82°67°-5°
  4. Tuesday
    Jul 7
    Overcast
    82°66°
  5. Wednesday
    Jul 8
    Overcast
    12%
    86°65°+4°
  6. Thursday
    Jul 9
    Thunderstorm
    33%
    82°70°-4°
  7. Friday
    Jul 10
    Light Drizzle
    30%
    83°68°+1°
Bloomfield, IA
Anemometer · 24h winds · from true
NESW
From · True
NW
320° · backing 152°
Direction
NW
320°
Sustained
11
mph
Gust
16
mph
Peak 24h
26
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 26 @ 6:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 168SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 152° from the nw.
Bloomfield, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.9
+1.2 mb in 3h · rising · 29.11 inHg
Now
985.9
mb
3h
+1.2
mb
12h
+0.9
mb
24h
-0.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983987
9759809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW987.2983.2985.9
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Bloomfield, IA
Air quality
28
AQI
Good
-6 in 6hPeak ~41 @ 10 PM

AQI 28 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 38 now. With UV 2.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 10 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.

PM 2.5Good
4.7μg/m³
PM 10Good
5μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
80μg/m³
UV IndexModerate
2.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 38 now. With UV 2.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 10 around 1 PM.

Present
AQI 38
UV peak
2.7 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 10

PM × Wind × Precip

PM2.5 at 4.7 µg/m³, PM10 at 5.1 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.92
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Bloomfield, IA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
63.8mi
UNLIMITED
66 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
16:14 UTC · Bloomfield, 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
16:14 UTC · Bloomfield, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Bloomfield, IA
Satellite · infrared · animated
Bloomfield, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Bloomfield, IA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:11 AM
Sunrise
12:43 AM
Daylight
15h 01m
Sunset
3:44 PM
Civil dusk
9:18 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Bloomfield, IA
The moon
Waning Gibbous
80% illuminated
Moonrise
11:05 PM
Moonset
10:15 AM
In sign
♓︎ Pisces
Bloomfield, IA
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Bloomfield at a glance

  • Today vs. normal: 10°F above the seasonal normal for this latitude
  • Last frost: April 20 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 52537

16-Day Forecast — Bloomfield

  1. Sat88°70°27%
  2. Sun87°71°15%
  3. Mon82°67°12%
  4. Tue82°66°1%
  5. Wed86°65°12%
  6. Thu82°70°33%
  7. Fri83°68°30%
  8. Sat86°69°9%
  9. Sun72°59°8%
  10. Mon76°57°7%
  11. Tue79°60°9%
  12. Wed80°63°11%
  13. Thu82°66°14%
  14. Fri82°67°16%
  15. Sat84°70°10%
  16. Sun86°71°18%

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 — Bloomfield

SPC has placed Bloomfield in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

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.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its 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 coastMay 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 scorching afternoon

Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.

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
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
Augusttomatoes, 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 Bloomfield, July runs warmest near 76°F and January coldest around 23°F, while May is the wettest month (5.5 inches) and January the driest (1.2 inches).

MonthMean tempPrecipRainy days
January23°1.23
February28°1.64
March40°2.25
April51°3.77
May62°5.59
June72°5.48
July76°4.56
August74°4.76
September66°4.06
October54°2.75
November40°2.14
December29°1.53

Regional context

Bloomfield's climate, from NOAA NCEI 1991-2020 station normals, pairs 23°F Januarys with 76°F Julys — a 53°F swing. About 39.1 inches of precipitation falls over roughly 66 days a year.

Summer convection drives Bloomfield's precipitation: May logs 5.5 inches on 9.3 rainy days, against January's 1.2 inches on 3.3 — warm-season storms carry Bloomfield's moisture. It is a warm-season-wet pattern Bloomfield shares with places like Drakesville, IA, Pulaski, IA and Floris, IA.

The cool-season window in Bloomfield starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. In Bloomfield, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Bloomfield's frost date. Around mid-November, freezing nights resume in Bloomfield and tender crops must come in. In Bloomfield, low spots run 4-7°F colder than nearby slopes, nudging Bloomfield's frost dates a week.

Similar climates: Drakesville, IA, Pulaski, IA, Floris, IA, Moulton, IA, Milton, IA.

Frequently asked

When does it freeze in Bloomfield?
Bloomfield's last spring frost lands near mid-April, and in Bloomfield the first fall frost follows around mid-November.
What is the rainy season in Bloomfield?
Bloomfield sees its heaviest rain in May (around 5.5 inches), part of roughly 39 inches a year.
What is the warmest month in Bloomfield?
Bloomfield peaks in July, when the mean runs near 76°F.
What is the coldest month in Bloomfield?
January is Bloomfield's coldest month, averaging about 23°F.
When can I start a vegetable garden in Bloomfield?
Hardy spring crops go in near mid-April in Bloomfield; tender peppers and squash wait 10–14 days.
How many rainy days does Bloomfield get?
Bloomfield averages about 66 days with measurable rain or snow each year.
What hardiness zone is Bloomfield?
Because Bloomfield bottoms near 23°F in January, that winter low sets Bloomfield's USDA zone — verify by ZIP.
What is the 10-day forecast for Bloomfield?
Bloomfield'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 Bloomfield?
See this week's day-by-day rain chances for Bloomfield in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Bloomfield?
Current conditions for Bloomfield and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Bloomfield forecast updated?
The Bloomfield forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Bloomfield?
Today's sunrise and sunset times for Bloomfield 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 Bloomfield?
The next few days in Bloomfield's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Set in a humid subtropical zone, Bloomfield, Iowa swings from 23°F in the heart of winter to 76°F at midsummer — a 53°F arc.

Rain and snow bring Bloomfield roughly 39 inches a year across approximately 66 measurable-precipitation days.

Bloomfield's 53°F range, set by its 40.7°N position, drives frost timing and what thrives in Bloomfield.

ZIP codes in Bloomfield

  • 52537

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.