Davenport, Iowa Weather
Great rains sometimes fall. Day 43 of summer. Read this microseason across nine climate regions →
Davenport weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast——82°64°—
- MondayAug 3Clear——84°63°+2°
- TuesdayAug 4Overcast——84°64°0°
- WednesdayAug 5Thunderstorm57%1.3″83°67°-1°
- ThursdayAug 6Heavy Drizzle57%—81°64°-2°
- FridayAug 7Thunderstorm——87°65°+6°
- SaturdayAug 8Drizzle——93°70°+6°
AQI 30 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 5.6 µg/m³, PM10 at 5.9 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 5.6 µg/m³, PM10 at 5.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).








































Red sky at night, sailor's delight.
- Moonrise
- 9:46 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Great rains sometimes fall
Davenport at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 52801, 52802, 52803, 52804, 52806, 52807
16-Day Forecast — Davenport
- Sun82°64°0%
- Mon84°63°0%
- Tue84°64°7%
- Wed83°67°57%
- Thu81°64°57%
- Fri87°65°9%
- Sat93°70°9%
- Sun98°76°15%
- Mon91°69°18%
- Tue86°68°25%
- Wed96°73°22%
- Thu94°72°26%
- Fri101°80°27%
- Sat82°68°35%
- Sun86°63°20%
- Mon86°67°27%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Davenport
Right now in the garden
Peak growing season
As of August 2, 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 includes Davenport in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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.
Sun & seasons in Davenport
Davenport sits in Scott County, where the year’s longest day runs 15h 11m of daylight and its shortest just 9h 10m — a swing of +6h 2m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Des Moines, the state’s largest city, lies about 155 miles to the W. The nearest town Davenport tracks is Iowa City, roughly 48 miles to the W.
Air quality in Davenport’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 46). See the full air-quality history for Davenport.
Microseason · August 1–5
Great rains sometimes fall
Monsoon-like moisture pulses bring heavy downpours; flooding becomes a threat as prairie soils approach saturation from repeated storms.
Day 214 of 365 · Wedge 43 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