Maine, Wisconsin Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Maine weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Drizzle60%0.01″81°56°—
- FridayJun 5Heavy Drizzle35%0.07″81°61°0°
- SaturdayJun 6Overcast28%—79°57°-2°
- SundayJun 7Overcast——74°52°-5°
- MondayJun 8Drizzle51%—70°59°-4°
- TuesdayJun 9Drizzle51%—76°64°+6°
- WednesdayJun 10Thunderstorm17%—84°65°+8°
AQI 52 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 38 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 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 38 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
- Present
- AQI 38
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- calm
- 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
- 5:13 AM
- Moonset
- 2:53 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Maine at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 16 (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 — Maine
SPC has placed Maine in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3NONENo severe 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.