Saint Joseph, Kentucky Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Saint Joseph weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast33%—87°70°—
- MondayJul 6Overcast18%—87°68°0°
- TuesdayJul 7Light Drizzle43%—86°71°-1°
- WednesdayJul 8Thunderstorm43%—85°69°-1°
- ThursdayJul 9Heavy Drizzle33%—90°69°+5°
- FridayJul 10Showers49%—89°71°-1°
- SaturdayJul 11Light Drizzle45%—92°69°+3°
AQI 40 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.92 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant 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 8.8 µg/m³ (AQI 49) with a 0.92 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant 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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:30 PM
- Moonset
- 12:08 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
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 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
16-Day Forecast — Saint Joseph
- Sun87°70°33%
- Mon87°68°18%
- Tue86°71°43%
- Wed85°69°43%
- Thu90°69°33%
- Fri89°71°49%
- Sat92°69°45%
- Sun78°69°33%
- Mon85°71°8%
- Tue89°73°5%
- Wed80°62°16%
- Thu81°60°21%
- Fri76°64°23%
- Sat78°69°26%
- Sun79°68°24%
- Mon83°66°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 includes Saint Joseph in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Saint Joseph
- 42356
- 42301