Saint Joseph, Kentucky Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Saint Joseph weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain32%0.77″89°69°—
- SundayJul 5Overcast25%—87°70°-2°
- MondayJul 6Light Drizzle14%—81°70°-6°
- TuesdayJul 7Overcast——83°67°+2°
- WednesdayJul 8Mostly Clear12%—85°65°+2°
- ThursdayJul 9Overcast31%—89°71°+4°
- FridayJul 10T-storm w/ Hail54%0.15″87°69°-2°
AQI 68 (Moderate), driven by PM2.5. AQI up 14 over the last 6 hours (gradual rise). PM2.5 at 7.1 µg/m³, PM10 at 7.7 µg/m³ — typical background levels with no transport signature.
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 7.1 µg/m³, PM10 at 7.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- light
- Recent rain
- 1h in last 6h
- Pattern
- background
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
- 11:05 PM
- Moonset
- 11:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Saint Joseph at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Saint Joseph
- Sat89°69°32%
- Sun88°71°25%
- Mon81°70°14%
- Tue83°67°5%
- Wed85°65°12%
- Thu89°71°31%
- Fri87°69°54%
- Sat84°69°43%
- Sun76°64°21%
- Mon81°60°11%
- Tue85°63°6%
- Wed87°70°15%
- Thu84°66°23%
- Fri84°68°29%
- Sat92°74°32%
- Sun91°77°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Saint Joseph
SPC has placed Saint Joseph in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Saint Joseph
- 42356
- 42301