Cromwell, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cromwell weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle72%0.02″76°58°—
- SundayJul 5Overcast11%—81°60°+5°
- MondayJul 6Overcast33%—83°57°+2°
- TuesdayJul 7T-storm w/ Hail47%0.08″84°66°+1°
- WednesdayJul 8Heavy Showers63%1.9″76°59°-8°
- ThursdayJul 9Overcast40%—79°55°+3°
- FridayJul 10Light Drizzle13%—79°53°0°
AQI 45 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline). Ozone at AQI 44 now. With UV 6.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 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 44 now. With UV 6.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
- Present
- AQI 44
- UV peak
- 6.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 7.2 µg/m³, PM10 at 8.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- 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
- 11:17 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cromwell at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 55726
16-Day Forecast — Cromwell
- Sat76°58°72%
- Sun81°60°11%
- Mon83°57°33%
- Tue84°66°47%
- Wed76°59°63%
- Thu79°55°40%
- Fri79°53°13%
- Sat70°58°11%
- Sun78°52°13%
- Mon77°52°11%
- Tue77°55°11%
- Wed79°60°12%
- Thu81°55°14%
- Fri86°60°19%
- Sat83°57°19%
- Sun90°61°13%
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 — Cromwell
SPC includes Cromwell in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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 Cromwell
- 55726