Marion, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Marion weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast25%—83°65°—
- SundayJul 5Overcast18%—79°67°-4°
- MondayJul 6Light Drizzle——80°64°+1°
- TuesdayJul 7Overcast——82°65°+2°
- WednesdayJul 8T-storm w/ Hail43%—79°67°-3°
- ThursdayJul 9Overcast46%—76°63°-3°
- FridayJul 10Light Drizzle——79°61°+3°
AQI 31 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.79 fine-to-coarse ratio and 4 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 4.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 around 1 PM.
- Present
- AQI 45
- UV peak
- 4.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 29
PM × Wind × Precip
PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.79 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.79
- Wind
- calm
- 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
- 11:10 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Marion at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Marion
- Sat83°65°25%
- Sun79°67°18%
- Mon80°64°6%
- Tue82°65°4%
- Wed79°67°43%
- Thu76°63°46%
- Fri79°61°8%
- Sat78°60°9%
- Sun71°57°12%
- Mon75°52°8%
- Tue78°59°7%
- Wed76°63°15%
- Thu80°67°19%
- Fri84°67°16%
- Sat86°68°23%
- Sun86°70°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 — Marion
SPC includes Marion in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Marion
- 55904