St. Marys Point, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. Marys Point weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain18%1.1″84°66°—
- SundayJul 5Overcast17%—85°68°+1°
- MondayJul 6Overcast——83°66°-2°
- TuesdayJul 7Overcast11%—87°67°+4°
- WednesdayJul 8Thunderstorm55%0.28″78°67°-9°
- ThursdayJul 9Overcast55%—80°60°+2°
- FridayJul 10Drizzle——83°61°+3°
AQI 47 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.5 µg/m³ (AQI 55) with a 0.77 fine-to-coarse ratio and 2 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 40 now. With UV 4.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 26 around 1 PM.
- Present
- AQI 40
- UV peak
- 4.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 11.5 µg/m³ (AQI 55) with a 0.77 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- 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
- 11:13 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
St. Marys Point at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Marys Point
- Sat84°66°18%
- Sun85°68°17%
- Mon83°66°4%
- Tue87°67°11%
- Wed78°67°55%
- Thu80°60°55%
- Fri83°61°8%
- Sat78°64°11%
- Sun76°58°17%
- Mon79°55°7%
- Tue80°59°5%
- Wed84°64°13%
- Thu85°59°11%
- Fri90°67°16%
- Sat89°70°26%
- Sun92°71°29%
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 — St. Marys Point
SPC has placed St. Marys Point 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 St. Marys Point
- 55043