Northfield, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Northfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast17%—86°66°—
- SundayJul 5Heavy Rain24%0.88″85°66°-1°
- MondayJul 6Light Drizzle——84°65°-1°
- TuesdayJul 7Drizzle——85°66°+1°
- WednesdayJul 8Thunderstorm54%0.22″77°65°-8°
- ThursdayJul 9Overcast54%—79°58°+2°
- FridayJul 10Light Drizzle——74°59°-5°
AQI 50 (Good), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 12.5 µg/m³ (AQI 57) with a 0.74 fine-to-coarse ratio and 6 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 53 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 53
- UV peak
- 5.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 53
PM × Wind × Precip
PM2.5 at 12.5 µg/m³ (AQI 57) with a 0.74 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- Wind
- light
- 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
- 11:14 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Northfield at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 55057
16-Day Forecast — Northfield
- Sat86°66°17%
- Sun85°67°24%
- Mon84°65°3%
- Tue85°66°7%
- Wed77°65°54%
- Thu79°58°54%
- Fri74°59°8%
- Sat78°55°11%
- Sun77°57°15%
- Mon80°58°9%
- Tue82°60°7%
- Wed83°66°17%
- Thu83°68°14%
- Fri77°62°26%
- Sat72°59°23%
- Sun79°58°19%
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 — Northfield
SPC includes Northfield in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Northfield
- 55057