Hampshire, Illinois Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Hampshire weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——81°50°—
- ThursdayJun 4Overcast——85°58°+4°
- FridayJun 5Rain76%0.24″77°66°-8°
- SaturdayJun 6Heavy Showers53%0.51″82°62°+5°
- SundayJun 7Light Drizzle12%—79°65°-3°
- MondayJun 8Light Showers37%0.02″76°65°-3°
- TuesdayJun 9Light Drizzle31%0.01″82°69°+6°
PM2.5 at 9.1 µg/m³, PM10 at 10.3 µg/m³ — typical background levels with no transport signature. AQI flat over the last 6 hours (within ±3 points).
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 31 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 5 by mid-afternoon.
- Present
- AQI 31
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 9.1 µg/m³, PM10 at 10.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- light
- Recent rain
- 0h 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:30 AM
- Moonset
- 1:49 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Hampshire at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 29 (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 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 — Hampshire
SPC has placed Hampshire in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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.