Bloomfield, Iowa Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Bloomfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——76°53°—
- TuesdayJun 16Light Drizzle19%0.01″74°59°-2°
- WednesdayJun 17T-storm w/ Hvy Hail83%—85°61°+11°
- ThursdayJun 18Light Drizzle—0.01″68°55°-17°
- FridayJun 19Overcast——72°54°+4°
- SaturdayJun 20Light Drizzle24%—77°57°+5°
- SundayJun 21T-storm w/ Hail46%—78°64°+1°
AQI 42 (Good), driven by Ozone. AQI up 20 in the last 6 hours — air quality is degrading. Ozone at AQI 49 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 4.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 49
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
- 5:40 AM
- Moonset
- 9:01 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Bloomfield at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Bloomfield
- Mon76°53°0%
- Tue74°59°19%
- Wed85°61°83%
- Thu68°55°8%
- Fri72°54°1%
- Sat77°57°24%
- Sun78°64°46%
- Mon75°65°46%
- Tue71°62°13%
- Wed77°64°14%
- Thu78°60°19%
- Fri78°62°19%
- Sat80°66°32%
- Sun75°62°29%
- Mon71°59°32%
- Tue71°55°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.
Microseason · June 11–15
Sun climbs to its northern throne
Days lengthen toward solstice; longest light lingers until after 8 PM, heat building steadily.
Day 166 of 365 · Wedge 33 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter 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).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 1.2″ | 3 |
| February | 28° | 1.6″ | 4 |
| March | 40° | 2.2″ | 5 |
| April | 51° | 3.7″ | 7 |
| May | 62° | 5.5″ | 9 |
| June | 72° | 5.4″ | 8 |
| July | 76° | 4.5″ | 6 |
| August | 74° | 4.7″ | 6 |
| September | 66° | 4.0″ | 6 |
| October | 54° | 2.7″ | 5 |
| November | 40° | 2.1″ | 4 |
| December | 29° | 1.5″ | 3 |
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?
- Day length in Bloomfield peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December 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