Harrisville, Rhode Island Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Harrisville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°55°—
- FridayJun 5Overcast——87°57°+3°
- SaturdayJun 6Heavy Drizzle20%—89°64°+2°
- SundayJun 7Drizzle75%0.01″84°56°-5°
- MondayJun 8Overcast34%—76°53°-8°
- TuesdayJun 9Clear——82°52°+6°
- WednesdayJun 10Overcast——80°56°-2°
Ozone at AQI 43 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 43 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 by mid-afternoon.
- Present
- AQI 43
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 4.5 µg/m³ (AQI 25) with a 0.76 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.76
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:21 AM
- Moonset
- 12:39 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Harrisville at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: April 28 (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.