Hamburg, Iowa Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
Hamburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Thunderstorm33%—85°67°—
- SaturdayJun 6Thunderstorm24%0.02″88°69°+3°
- SundayJun 7Showers73%0.08″74°67°-14°
- MondayJun 8Thunderstorm42%—85°65°+11°
- TuesdayJun 9Thunderstorm30%—92°73°+7°
- WednesdayJun 10Thunderstorm16%—92°75°0°
- ThursdayJun 11Light Drizzle12%—91°64°-1°
AQI 35 (Good), driven by Ozone. AQI down 5 over the last 6 hours (steady decline since this morning). Ozone at AQI 35 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 by mid-afternoon.
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 35 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 by mid-afternoon.
- Present
- AQI 35
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:25 AM
- Moonset
- 3:29 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Hamburg at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Hamburg
SPC has placed Hamburg in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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.