Byron, Michigan Weather
Honeysuckle sweetens the night. Day 89 of spring. Read this microseason across nine climate regions →
Byron weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——72°47°—
- TuesdayJun 16Heavy Rain43%0.65″74°55°+2°
- WednesdayJun 17Heavy Showers95%2.6″67°54°-7°
- ThursdayJun 18Light Drizzle95%0.02″64°54°-3°
- FridayJun 19Light Drizzle10%—68°52°+4°
- SaturdayJun 20Light Drizzle——69°48°+1°
- SundayJun 21Light Drizzle30%0.07″62°53°-7°
AQI 41 (Good), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~85%) — afternoon ozone should stay flat.
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 32. Overcast through the UV peak window (cloud cover ~85%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 7:06 AM
- Moonset
- 10:35 PM
- In sign
- ♋︎ Cancer
Honeysuckle sweetens the night
Byron at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 3 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Byron
- Mon72°47°0%
- Tue74°54°43%
- Wed67°54°95%
- Thu64°54°95%
- Fri68°52°10%
- Sat69°48°9%
- Sun62°53°30%
- Mon66°48°33%
- Tue72°49°12%
- Wed74°56°20%
- Thu78°58°30%
- Fri76°62°37%
- Sat74°57°33%
- Sun78°60°48%
- Mon79°66°43%
- Tue70°57°45%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 — Byron
SPC has placed Byron 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.
ZIP codes in Byron
- 48418