Delaware, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Delaware weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain67%0.71″82°68°—
- SundayJul 5Overcast11%—81°67°-1°
- MondayJul 6Clear——79°64°-2°
- TuesdayJul 7Overcast——80°61°+1°
- WednesdayJul 8T-storm w/ Hail37%—81°64°+1°
- ThursdayJul 9Drizzle44%—79°65°-2°
- FridayJul 10Overcast12%—80°62°+1°
AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.8 µg/m³, PM10 at 12.1 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 4.8 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 8.8 µg/m³, PM10 at 12.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.73
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:03 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Delaware at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52036
16-Day Forecast — Delaware
- Sat82°68°67%
- Sun81°66°11%
- Mon79°64°2%
- Tue80°61°2%
- Wed81°64°37%
- Thu79°65°44%
- Fri80°62°12%
- Sat75°60°11%
- Sun76°57°10%
- Mon76°57°8%
- Tue78°59°6%
- Wed76°58°23%
- Thu81°62°26%
- Fri77°65°23%
- Sat75°60°23%
- Sun74°57°25%
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 — Delaware
SPC includes Delaware in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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.
ZIP codes in Delaware
- 52223
- 52036