Davenport, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Davenport weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle45%—82°68°—
- SundayJul 5Rain10%0.31″84°69°+2°
- MondayJul 6Overcast——81°66°-3°
- TuesdayJul 7Overcast——84°63°+3°
- WednesdayJul 8Thunderstorm27%—84°65°0°
- ThursdayJul 9Thunderstorm37%0.26″79°68°-5°
- FridayJul 10Overcast15%—79°66°0°
AQI 41 (Good), driven by PM2.5. AQI up 11 over the last 6 hours (gradual rise). PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.82 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
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 40. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.82 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:22 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Davenport at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 52801, 52802, 52803, 52804, 52806, 52807
16-Day Forecast — Davenport
- Sat82°68°45%
- Sun84°69°10%
- Mon81°66°2%
- Tue84°63°1%
- Wed84°65°27%
- Thu79°68°37%
- Fri79°66°15%
- Sat75°62°9%
- Sun77°54°9%
- Mon79°60°7%
- Tue84°67°6%
- Wed83°66°29%
- Thu86°69°18%
- Fri85°74°32%
- Sat89°76°26%
- Sun85°65°26%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Davenport
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 — Davenport
SPC has placed Davenport in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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.
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
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 Davenport, July runs warmest near 76°F and January coldest around 23°F, while June is the wettest month (5.0 inches) and January the driest (1.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 1.7″ | 5 |
| February | 28° | 1.8″ | 5 |
| March | 40° | 2.6″ | 6 |
| April | 51° | 3.8″ | 7 |
| May | 63° | 4.7″ | 8 |
| June | 72° | 5.0″ | 8 |
| July | 76° | 4.2″ | 6 |
| August | 73° | 4.0″ | 6 |
| September | 66° | 3.3″ | 5 |
| October | 54° | 2.8″ | 5 |
| November | 40° | 2.3″ | 5 |
| December | 29° | 2.0″ | 5 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Davenport sees 23°F Januarys and 76°F Julys, a 52°F range, plus around 38.3 inches of precipitation across 69 days.
Summer convection drives Davenport's precipitation: June logs 5.0 inches on 7.7 rainy days, against January's 1.7 inches on 4.5 — warm-season storms carry Davenport's moisture. That puts Davenport in a summer-convective cohort with places like Eldridge, IA, Bettendorf, IA and Riverdale, IA.
Davenport's growing window opens around mid-April, once Davenport's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. In Davenport, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Davenport's frost date. Davenport's window closes around mid-November as overnight lows return below freezing. Within Davenport, cold-air pooling chills low spots by 5-10°F, shifting Davenport's local frost dates.
Similar climates: Eldridge, IA, Bettendorf, IA, Riverdale, IA, Panorama Park, IA, Buffalo, IA.
Naturalist notes
Late May brings the first ruby-throated hummingbirds to Davenport gardens, their arrival coinciding with the opening of native columbine flowers.
Wild bergamot begins its purple bloom across Iowa prairies in early July, attracting clouds of native bees during the year's warmest weeks.
Frequently asked
- When does it freeze in Davenport?
- Frost typically leaves Davenport by mid-April and returns to Davenport near mid-November.
- What is the rainy season in Davenport?
- June is the wettest month in Davenport, about 5.0 inches on average; the year totals roughly 38 inches.
- What is the warmest month in Davenport?
- On average July tops the year in Davenport at about 76°F.
- What is the coldest month in Davenport?
- The coldest stretch in Davenport falls in January, around 23°F on average.
- When can I start a vegetable garden in Davenport?
- Around mid-April, start frost-hardy crops in Davenport; tomatoes and basil belong a fortnight later.
- How many rainy days does Davenport get?
- Davenport averages about 69 days with measurable rain or snow each year.
- What hardiness zone is Davenport?
- Because Davenport bottoms near 23°F in January, that winter low sets Davenport's USDA zone — verify by ZIP.
- What is the 10-day forecast for Davenport?
- Davenport'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 Davenport?
- See this week's day-by-day rain chances for Davenport in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Davenport?
- Current conditions for Davenport and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Davenport forecast updated?
- The Davenport forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Davenport?
- Today's sunrise and sunset times for Davenport 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 Davenport?
- The next few days in Davenport'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 Davenport, Iowa carries typical Januarys near 23°F and Julys around 76°F — 53°F of seasonal travel.
Yearly precipitation in Davenport totals around 38 inches, spread over about 69 days of rain or snow.
From 41.6°N, Davenport sees a 53°F seasonal swing that governs Davenport's planting and frost windows.
ZIP codes in Davenport
- 52802
- 52803
- 52801
- 52806
- 52807
- 52804
- 52805
- 52808
- 52809