Hamburg, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Hamburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast18%—85°67°—
- SundayJul 5Heavy Rain22%0.66″84°67°-1°
- MondayJul 6Overcast——84°66°0°
- TuesdayJul 7Overcast17%—85°67°+1°
- WednesdayJul 8T-storm w/ Hail48%0.04″78°67°-7°
- ThursdayJul 9Overcast48%—78°60°0°
- FridayJul 10Light Drizzle——82°60°+4°
AQI 54 (Moderate), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 16.2 µg/m³ (AQI 64) with a 0.77 fine-to-coarse ratio and 6 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 56 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 46 around 1 PM.
- Present
- AQI 56
- UV peak
- 6.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 16.2 µg/m³ (AQI 64) with a 0.77 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- Wind
- light
- 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
- 11:18 PM
- Moonset
- 10:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hamburg at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: May 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 55339
16-Day Forecast — Hamburg
- Sat85°67°18%
- Sun84°67°22%
- Mon84°66°3%
- Tue85°67°17%
- Wed78°67°48%
- Thu78°60°48%
- Fri82°60°7%
- Sat75°61°10%
- Sun74°55°14%
- Mon77°56°7%
- Tue82°58°6%
- Wed83°63°13%
- Thu83°59°20%
- Fri88°66°20%
- Sat88°68°27%
- Sun92°71°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 — Hamburg
SPC has placed Hamburg in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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.
ZIP codes in Hamburg
- 55339