Hermantown, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Hermantown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy52%—71°58°—
- SundayJul 5Rain23%0.23″74°58°+3°
- MondayJul 6Overcast17%—84°52°+10°
- TuesdayJul 7Thunderstorm45%0.28″85°64°+1°
- WednesdayJul 8Heavy Showers61%2.4″70°57°-15°
- ThursdayJul 9Overcast49%—67°51°-3°
- FridayJul 10Light Drizzle12%—77°50°+10°
AQI 55 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.1 µg/m³, PM10 at 5.2 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.1 µg/m³, PM10 at 5.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:15 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hermantown at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Hermantown
- Sat71°58°52%
- Sun74°58°23%
- Mon84°52°17%
- Tue85°64°45%
- Wed70°57°61%
- Thu67°51°49%
- Fri77°50°12%
- Sat66°57°12%
- Sun74°53°10%
- Mon73°52°14%
- Tue79°52°11%
- Wed80°60°16%
- Thu80°57°19%
- Fri85°62°17%
- Sat77°56°19%
- Sun89°59°23%
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 — Hermantown
SPC has placed Hermantown 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 Hermantown
- 55814
- 55810
- 55811