St. Michael, Minnesota Weather
Toward the solstice glow. Day 88 of spring. Read this microseason across nine climate regions →
St. Michael weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Drizzle56%0.07″77°48°—
- TuesdayJun 16Heavy Drizzle59%0.17″70°54°-7°
- WednesdayJun 17Heavy Drizzle91%0.06″68°52°-2°
- ThursdayJun 18Overcast38%—66°48°-2°
- FridayJun 19Light Drizzle12%—69°45°+3°
- SaturdayJun 20Light Drizzle16%—71°51°+2°
- SundayJun 21Light Drizzle27%0.02″65°60°-6°
AQI 36 (Good), driven by Ozone. AQI up 18 in the last 6 hours — air quality is degrading. Ozone at AQI 46 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 46 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 3.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 46
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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:24 AM
- Moonset
- 9:27 PM
- In sign
- ♋︎ Cancer
Toward the solstice glow
St. Michael at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 17 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — St. Michael
- Mon77°48°56%
- Tue70°54°59%
- Wed68°52°91%
- Thu66°48°38%
- Fri69°45°12%
- Sat71°51°16%
- Sun65°60°27%
- Mon63°57°18%
- Tue72°54°14%
- Wed73°59°18%
- Thu73°55°18%
- Fri77°55°18%
- Sat69°63°30%
- Sun73°59°35%
- Mon60°54°35%
- Tue73°49°28%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — St. Michael
SPC has placed St. Michael in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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 St. Michael
- 55313
- 55376