Claremont, Illinois Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
Claremont weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——85°63°—
- SaturdayJun 6Overcast14%—88°69°+3°
- SundayJun 7Showers36%0.39″78°69°-10°
- MondayJun 8Thunderstorm70%0.06″88°70°+10°
- TuesdayJun 9Thunderstorm48%0.01″87°69°-1°
- WednesdayJun 10Thunderstorm41%0.11″86°70°-1°
- ThursdayJun 11Thunderstorm——93°74°+7°
AQI 47 (Good), driven by Ozone. AQI down 36 over the last 6 hours — air quality is improving sharply. Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 by mid-afternoon.
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 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 by mid-afternoon.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.91 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:49 AM
- Moonset
- 3:02 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Claremont at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Claremont
SPC has placed Claremont in the General Thunderstorms category for severe thunderstorms today.
- 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.