Cohasset, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cohasset weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain55%0.87″72°59°—
- SundayJul 5Overcast——82°56°+10°
- MondayJul 6Thunderstorm53%0.63″90°60°+8°
- TuesdayJul 7Light Showers53%—84°63°-6°
- WednesdayJul 8Light Drizzle61%0.02″83°61°-1°
- ThursdayJul 9Overcast14%—82°55°-1°
- FridayJul 10Light Showers16%0.35″70°59°-12°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.6 µg/m³, PM10 to 11.8 µg/m³.
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 45 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 1.4 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 45
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.6 µg/m³, PM10 to 11.8 µg/m³.
- PM2.5/PM10
- 0.81
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:21 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cohasset at a glance
- Today vs. normal: 65°F — typical for the season
- Last frost: May 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 55721
16-Day Forecast — Cohasset
- Sat72°59°55%
- Sun82°56°6%
- Mon90°60°53%
- Tue84°63°53%
- Wed83°61°61%
- Thu82°55°14%
- Fri70°59°16%
- Sat78°51°14%
- Sun83°53°14%
- Mon83°56°11%
- Tue88°58°9%
- Wed89°66°10%
- Thu85°66°14%
- Fri71°58°16%
- Sat74°58°13%
- Sun84°54°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 — Cohasset
SPC has placed Cohasset in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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 Cohasset
- 55721