St. Augusta, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. Augusta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain44%1.1″86°65°—
- SundayJul 5Overcast20%—85°64°-1°
- MondayJul 6Overcast25%—84°65°-1°
- TuesdayJul 7T-storm w/ Hail25%0.98″85°68°+1°
- WednesdayJul 8Heavy Showers58%1.7″76°65°-9°
- ThursdayJul 9Light Drizzle45%—79°61°+3°
- FridayJul 10Drizzle——70°59°-9°
AQI 53 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 68 now. With UV 5.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 48 around 1 PM.
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 68 now. With UV 5.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 48 around 1 PM.
- Present
- AQI 68
- UV peak
- 5.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 14.2 µg/m³ (AQI 61) with a 0.78 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- 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
- 11:20 PM
- Moonset
- 10:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
St. Augusta at a glance
- Today vs. normal: 17°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. Augusta
- Sat86°65°44%
- Sun85°64°20%
- Mon84°65°25%
- Tue85°68°25%
- Wed76°65°58%
- Thu79°61°45%
- Fri70°59°8%
- Sat77°57°14%
- Sun78°56°16%
- Mon80°59°9%
- Tue83°63°5%
- Wed83°65°13%
- Thu80°66°10%
- Fri73°60°25%
- Sat68°60°26%
- Sun80°58°20%
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. Augusta
SPC has placed St. Augusta in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- 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. Augusta
- 55320
- 56301
- 56397
- 56398