Island Falls, Maine Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Island Falls weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°53°—
- FridayJun 5Light Drizzle26%0.02″78°57°-6°
- SaturdayJun 6Showers76%0.39″63°54°-15°
- SundayJun 7Light Drizzle76%—60°46°-3°
- MondayJun 8Overcast11%—77°46°+17°
- TuesdayJun 9Clear——81°48°+4°
- WednesdayJun 10Overcast——81°52°0°
Ozone at AQI 31 now. AQI down 5 over the last 6 hours (steady decline since this morning). With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 10 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 31 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 10 by mid-afternoon.
- Present
- AQI 31
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 10
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
- 3:22 AM
- Moonset
- 12:09 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Island Falls at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: May 22 (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 — Island Falls
SPC has placed Island Falls in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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.