Davenport, Iowa Weather
Thunder stills across the plains. Day 93 of summer. Read this microseason across nine climate regions →
Davenport weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:40 AM CDT · Open-Meteo
- TodaySep 21Drizzle later21%0.10″61°56°—
- TuesdaySep 22Rain28%0.38″62°52°+1°
- WednesdaySep 23Overcast——70°48°+8°
- ThursdaySep 24Light Drizzle——71°53°+1°
- FridaySep 25Light Rain—0.23″62°57°-9°
- SaturdaySep 26Light Rain—0.59″57°53°-5°
- SundaySep 27Overcast10%—64°53°+7°
Air quality now AQI 29 · Good
AQI 29 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:40 PM
- Moonset
- 1:18 AM
- In sign
- ♑︎ Capricorn
Thunder stills across the plains
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Davenport at a glance
- Today vs. normal: Today averages 59°F (high 61°F, low 56°F), 5°F below the 64°F normal for Sep 21
- Last frost: April 19 (1991–2020 median, NOAA station 5 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
15-Day Forecast — Davenport
- Mon61°56°21%
- Tue62°52°28%
- Wed70°48°0%
- Thu71°53°2%
- Fri62°57°2%
- Sat57°53°9%
- Sun64°53°10%
- Mon73°53°22%
- Tue74°59°31%
- Wed69°50°24%
- Thu70°50°14%
- Fri68°57°26%
- Sat72°58°26%
- Sun83°58°19%
- Mon70°56°20%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Davenport
Interactive wind and temperature map centered on Davenport — it loads in your browser. Open the full weather map.
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 22) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
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
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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, tomatoes, peppers, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
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
Similar climates Eldridge, IA, Bettendorf, IA, Riverdale, IA
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 April 19, 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 October 22 as Davenport's overnight lows return below freezing. Sheltered Davenport yards can escape a light frost.
Similar climates: Eldridge, IA, Bettendorf, IA, Riverdale, IA, Panorama Park, IA, Buffalo, IA.
Frequently asked
- When does it freeze in Davenport?
- Frost typically leaves Davenport by April 19 and returns to Davenport near October 22.
- 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 April 19, 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.
Davenport sits at 41.6°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Davenport
- 52801
- 52802
- 52803
- 52804
- 52805
- 52806
- 52807
- 52808
- 52809