Lewiston, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lewiston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—81°65°—
- SundayJul 5Overcast——78°61°-3°
- MondayJul 6Overcast——80°54°+2°
- TuesdayJul 7Overcast——84°55°+4°
- WednesdayJul 8Thunderstorm47%0.44″81°63°-3°
- ThursdayJul 9Foggy49%—79°58°-2°
- FridayJul 10Partly Cloudy26%—79°52°0°
AQI 31 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.92 fine-to-coarse ratio and 4 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
PM × Wind × Precip
PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.92 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- calm
- 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
- 11:39 PM
- Moonset
- 10:36 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lewiston at a glance
- Today vs. normal: 65°F — typical for the season
- Last frost: May 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49756
15-Day Forecast — Lewiston
- Sat80°65°20%
- Sun78°61°2%
- Mon80°54°1%
- Tue84°55°4%
- Wed81°63°47%
- Thu79°58°49%
- Fri79°52°26%
- Sat78°57°21%
- Sun68°57°10%
- Mon78°54°12%
- Tue67°58°17%
- Wed78°57°20%
- Thu84°62°35%
- Fri76°63°31%
- Sat75°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 — Lewiston
SPC includes Lewiston in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Lewiston
- 49756