St. James, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. James weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——77°64°—
- SundayJul 5Overcast——75°58°-2°
- MondayJul 6Partly Cloudy——75°60°0°
- TuesdayJul 7Drizzle19%—72°61°-3°
- WednesdayJul 8Heavy Showers45%1.5″68°60°-4°
- ThursdayJul 9Overcast51%—72°57°+4°
- FridayJul 10Partly Cloudy21%—71°59°-1°
AQI 38 (Good), driven by Ozone. AQI down 8 over the last 6 hours (gradual decline). Ozone at AQI 33 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 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 33 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 33
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
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
- 11:46 PM
- Moonset
- 10:40 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
St. James at a glance
- Today vs. normal: 64°F — typical for the season
- Last frost: May 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — St. James
- Sat77°62°4%
- Sun75°58°2%
- Mon75°60°0%
- Tue72°61°19%
- Wed68°60°45%
- Thu72°57°51%
- Fri71°59°21%
- Sat69°63°15%
- Sun68°60°14%
- Mon68°62°11%
- Tue65°60°18%
- Wed73°58°19%
- Thu71°67°32%
- Fri72°61°29%
- Sat70°57°24%
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 — St. James
SPC includes St. James 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 St. James
- 49782