Allen, Michigan Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Allen weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°53°—
- FridayJun 5Overcast75%—84°61°0°
- SaturdayJun 6Light Showers75%0.01″76°64°-8°
- SundayJun 7Overcast——82°60°+6°
- MondayJun 8Overcast——77°58°-5°
- TuesdayJun 9Drizzle31%0.01″83°61°+6°
- WednesdayJun 10Drizzle25%0.09″80°68°-3°
AQI 28 (Good), driven by Ozone. AQI down 13 over the last 6 hours (steady decline since this morning).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.
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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:14 AM
- Moonset
- 1:33 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Allen at a glance
- Today vs. normal: 20°F below the seasonal normal for this latitude
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Allen
SPC has placed Allen in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal 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.