Pleasant Hill, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Pleasant Hill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast22%—91°74°—
- SundayJul 5Overcast22%—84°73°-7°
- MondayJul 6Overcast——83°69°-1°
- TuesdayJul 7Partly Cloudy——85°65°+2°
- WednesdayJul 8Overcast——92°66°+7°
- ThursdayJul 9Light Showers43%0.07″93°71°+1°
- FridayJul 10Heavy Drizzle43%0.01″85°69°-8°
AQI 48 (Good), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~100%) — 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 43. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 5.6 µg/m³ (AQI 31) with a 0.78 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- Wind
- light
- 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
- 11:21 PM
- Moonset
- 11:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Pleasant Hill at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62366
16-Day Forecast — Pleasant Hill
- Sat91°74°22%
- Sun84°73°22%
- Mon83°69°7%
- Tue85°65°2%
- Wed92°66°2%
- Thu93°71°43%
- Fri85°69°43%
- Sat79°67°16%
- Sun81°62°12%
- Mon83°58°6%
- Tue89°62°6%
- Wed90°69°11%
- Thu98°70°13%
- Fri98°76°16%
- Sat99°76°21%
- Sun95°78°29%
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 — Pleasant Hill
SPC has placed Pleasant Hill in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Pleasant Hill
- 62366