St. Martin, Minnesota Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
St. Martin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy19%—82°61°—
- MondayJul 6Overcast15%—85°65°+3°
- TuesdayJul 7T-storm w/ Hail62%—85°69°0°
- WednesdayJul 8Heavy Showers84%1.0″78°65°-7°
- ThursdayJul 9Overcast15%—78°60°0°
- FridayJul 10Overcast——79°61°+1°
- SaturdayJul 11Partly Cloudy——82°60°+3°
AQI 36 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 50 — 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 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 5.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.85 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.85
- 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
- 11:41 PM
- Moonset
- 11:30 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
St. Martin at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Martin
- Sun82°61°19%
- Mon85°65°15%
- Tue85°69°62%
- Wed78°65°84%
- Thu78°60°15%
- Fri79°61°4%
- Sat82°60°9%
- Sun87°67°17%
- Mon77°57°17%
- Tue77°58°6%
- Wed80°58°13%
- Thu87°62°13%
- Fri91°68°16%
- Sat96°72°16%
- Sun91°73°21%
- Mon95°69°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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. Martin
SPC has placed St. Martin in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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. Martin
- 56376
- 56362