Greenville, Rhode Island Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Greenville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°55°—
- FridayJun 5Overcast——87°59°+3°
- SaturdayJun 6Light Drizzle21%—91°64°+4°
- SundayJun 7Light Showers74%0.02″80°57°-11°
- MondayJun 8Overcast36%—76°54°-4°
- TuesdayJun 9Mostly Clear——80°51°+4°
- WednesdayJun 10Partly Cloudy——77°57°-3°
Ozone at AQI 42 now. AQI flat over the last 6 hours (within ±3 points). With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 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 42 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 by mid-afternoon.
- Present
- AQI 42
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 19
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
- 3:20 AM
- Moonset
- 12:39 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Greenville at a glance
- Today vs. normal: 16°F below the seasonal normal for this latitude
- Last frost: April 27 (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.