Dundas, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Dundas weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast17%—86°66°—
- SundayJul 5Heavy Rain26%1.6″84°66°-2°
- MondayJul 6Light Drizzle——82°66°-2°
- TuesdayJul 7Overcast——85°66°+3°
- WednesdayJul 8T-storm w/ Hail53%0.08″78°67°-7°
- ThursdayJul 9Overcast53%—77°61°-1°
- FridayJul 10Light Drizzle——83°61°+6°
AQI 44 (Good), driven by PM2.5. AQI up 11 over the last 6 hours (gradual rise). PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.82 fine-to-coarse ratio and 5 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 during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 45 now. With UV 4.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 21 around 1 PM.
- Present
- AQI 45
- UV peak
- 4.9 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 21
PM × Wind × Precip
PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.82 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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
- 11:14 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Dundas at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 55019
16-Day Forecast — Dundas
- Sat86°66°17%
- Sun84°66°26%
- Mon82°66°4%
- Tue85°66°7%
- Wed78°67°53%
- Thu77°61°53%
- Fri83°61°8%
- Sat76°62°11%
- Sun74°57°15%
- Mon77°55°9%
- Tue79°58°7%
- Wed82°65°13%
- Thu84°59°16%
- Fri87°67°23%
- Sat88°69°26%
- Sun89°72°26%
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 — Dundas
SPC has placed Dundas 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 Dundas
- 55019