Cousins Island, Maine Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Cousins Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——78°61°—
- MondayJul 6Overcast——69°61°-9°
- TuesdayJul 7Rain32%0.40″61°55°-8°
- WednesdayJul 8Overcast16%—80°52°+19°
- ThursdayJul 9Overcast14%—90°62°+10°
- FridayJul 10Overcast42%—84°68°-6°
- SaturdayJul 11Overcast13%—77°58°-7°
AQI 59 (Moderate), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 19.5 µg/m³ (AQI 70) with a 0.86 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 37 now. With UV 7.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 35 around 1 PM.
- Present
- AQI 37
- UV peak
- 7.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 35
PM × Wind × Precip
PM2.5 at 19.5 µg/m³ (AQI 70) with a 0.86 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:59 PM
- Moonset
- 10:48 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cousins Island at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Cousins Island
- Sun78°61°1%
- Mon69°61°5%
- Tue61°55°32%
- Wed80°52°16%
- Thu90°62°14%
- Fri84°68°42%
- Sat77°58°13%
- Sun74°60°9%
- Mon72°56°17%
- Tue80°58°18%
- Wed90°69°18%
- Thu85°63°21%
- Fri90°59°27%
- Sat92°70°19%
- Sun79°64°26%
- Mon82°63°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Cousins Island peaks at about 70°F in July and bottoms near 24°F in January; October brings the heaviest rain (5.3 inches) and July the least (3.4 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 24° | 3.5″ | 7 |
| February | 26° | 3.5″ | 7 |
| March | 34° | 4.1″ | 7 |
| April | 45° | 4.4″ | 7 |
| May | 55° | 3.7″ | 7 |
| June | 64° | 4.2″ | 7 |
| July | 70° | 3.4″ | 7 |
| August | 69° | 3.6″ | 5 |
| September | 62° | 3.8″ | 5 |
| October | 50° | 5.3″ | 7 |
| November | 40° | 4.3″ | 7 |
| December | 30° | 4.5″ | 8 |
Frequently asked
- When does it freeze in Cousins Island?
- In Cousins Island, expect the last spring frost near mid-May; Cousins Island's first autumn frost comes around mid-October.
- What is the rainy season in Cousins Island?
- October is the wettest month in Cousins Island, about 5.3 inches on average; the year totals roughly 48 inches.
- What is the warmest month in Cousins Island?
- On average July tops the year in Cousins Island at about 70°F.
- What is the coldest month in Cousins Island?
- The coldest stretch in Cousins Island falls in January, around 24°F on average.
- When can I start a vegetable garden in Cousins Island?
- Hardy spring crops go in near mid-May in Cousins Island; tender peppers and squash wait 10–14 days.
- How many rainy days does Cousins Island get?
- Expect roughly 80 wet days a year in Cousins Island.
- What hardiness zone is Cousins Island?
- Since January in Cousins Island averages 24°F, Cousins Island's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Cousins Island?
- Cousins Island's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Cousins Island?
- See this week's day-by-day rain chances for Cousins Island in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Cousins Island?
- Current conditions for Cousins Island and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Cousins Island forecast updated?
- The Cousins Island forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Cousins Island?
- Today's sunrise and sunset times for Cousins Island are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Cousins Island?
- The next few days in Cousins Island's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The warm-summer humid continental climate of Cousins Island, Maine carries typical Januarys near 24°F and Julys around 70°F — 46°F of seasonal travel.
Across the year, Cousins Island collects about 48 inches of precipitation over roughly 80 days with measurable rain or snow.
From 43.8°N, Cousins Island sees a 46°F seasonal swing that governs Cousins Island's planting and frost windows.
ZIP codes in Cousins Island
- 04096