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Littlejohn Island, Maine Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Littlejohn Island weather forecast — hour by hour, 7-day outlook, NOAA radar

Littlejohn Island, ME
Sunday, July 5 at 11:36 AM
78
°
Clear
Feels like
85°
Humidity
58%
Wind
3 mph
Sunrise
1:05 AM
Sunset
4:25 PM
Littlejohn Island, ME
Hour by hour · 24h
24-Hour ForecastLittlejohn Island, ME: 24-hour forecast. Temperatures range from 62 to 78 degrees Fahrenheit.
L 62°H 78°
Littlejohn Island, ME
7-day forecast
  1. Today
    Jul 5
    Overcast
    —
    —
    78°61°—
  2. Monday
    Jul 6
    Overcast
    10%
    —
    69°61°-9°
  3. Tuesday
    Jul 7
    Rain
    47%
    0.40″
    61°55°-8°
  4. Wednesday
    Jul 8
    Overcast
    22%
    —
    80°52°+19°
  5. Thursday
    Jul 9
    Overcast
    —
    —
    90°62°+10°
  6. Friday
    Jul 10
    Overcast
    33%
    —
    84°68°-6°
  7. Saturday
    Jul 11
    Overcast
    11%
    —
    77°58°-7°
Littlejohn Island, ME
Next 24 hours · Mild now
58°70°82°12p6p12a6anow 78°high 78°low 62°
Littlejohn Island, ME
Anemometer · 24h winds · from true
NESW
From · True
ESE
120° · backing 132°
Direction
ESE
120°
Sustained
3
mph
Gust
4
mph
Peak 24h
21
avg 6
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 21 @ 4:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 175SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Littlejohn Island, ME
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.6
+0.5 mb in 3h · steady · 29.87 inHg
Now
1011.6
mb
3h
+0.5
mb
12h
+3.5
mb
24h
+6.6
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1004–1012
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1011.61003.91011.5
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Littlejohn Island, ME
Air quality
60
AQI
Moderate
↑+6 in 6h▲Peak ~67 @ 10 PM

AQI 60 (Moderate), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 18.7 µg/m³ (AQI 69) with a 0.85 fine-to-coarse ratio and 3 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 10 PM.

PM 2.5DRIVERModerate
18.7μg/m³
PM 10Good
22μg/m³
NO₂Good
1μg/m³
OzoneModerate
84μg/m³
UV IndexHigh
6.7

What's driving it

Ozone × UV × Sky

Ozone at AQI 40 now. With UV 7.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 41 around 1 PM.

Present
AQI 40
UV peak
7.7 at 1 PM
Sky at peak
clear
Projected peak
AQI 41

PM × Wind × Precip

PM2.5 at 18.7 µg/m³ (AQI 69) with a 0.85 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.85
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).

7-DAY AQI TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³440
Littlejohn Island, ME
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
71.6mi
UNLIMITED
93 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
15:36 UTC · Littlejohn Island, ME · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
15:36 UTC · Littlejohn Island, ME · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Littlejohn Island, ME
Satellite · infrared · animated
Littlejohn Island, ME
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Littlejohn Island, ME
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:30 AM
Sunrise
1:05 AM
Daylight
15h 20m
Sunset
4:25 PM
Civil dusk
9:02 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Littlejohn Island, ME
The moon
Waning Gibbous
71% illuminated
Moonrise
10:59 PM
Moonset
10:48 AM
In sign
♓︎ Pisces
Littlejohn Island, ME
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Littlejohn Island at a glance

  • Today vs. normal: 10°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 — Littlejohn Island

  1. Sun77°61°1%
  2. Mon69°61°10%
  3. Tue61°55°47%
  4. Wed80°52°22%
  5. Thu90°62°9%
  6. Fri84°68°33%
  7. Sat77°58°11%
  8. Sun74°60°12%
  9. Mon72°56°16%
  10. Tue80°58°21%
  11. Wed90°69°19%
  12. Thu85°63°21%
  13. Fri90°59°27%
  14. Sat92°70°19%
  15. Sun79°64°26%
  16. 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.

January 1–5: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

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

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
April——
Maylettuce, peas, spinach, radisheslettuce, peas, radishes
Junelettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
October—winter squash, tomatoes (last)
November——
December——

A year in weather

The year in Littlejohn Island tops out in July (~70°F) and dips lowest in January (~24°F), with October wettest at 5.3 inches and July driest at 3.4 inches.

MonthMean tempPrecipRainy days
January24°3.5″7
February26°3.5″7
March34°4.1″7
April45°4.4″7
May55°3.7″7
June64°4.2″7
July70°3.4″7
August69°3.6″5
September62°3.8″5
October50°5.3″7
November40°4.3″7
December30°4.5″8

Frequently asked

When does it freeze in Littlejohn Island?
Littlejohn Island's last spring frost lands near mid-May, and in Littlejohn Island the first fall frost follows around mid-October.
What is the rainy season in Littlejohn Island?
Littlejohn Island sees its heaviest rain in October (around 5.3 inches), part of roughly 48 inches a year.
What is the warmest month in Littlejohn Island?
July is Littlejohn Island's warmest month, averaging about 70°F.
What is the coldest month in Littlejohn Island?
Littlejohn Island bottoms out in January, with a mean near 24°F.
When can I start a vegetable garden in Littlejohn Island?
Time tomatoes in Littlejohn Island for two weeks after mid-May; peas and greens start at Littlejohn Island's frost line.
How many rainy days does Littlejohn Island get?
Expect roughly 80 wet days a year in Littlejohn Island.
What hardiness zone is Littlejohn Island?
Littlejohn Island's USDA zone comes from its January mean (24°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for Littlejohn Island?
Littlejohn 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 Littlejohn Island?
See this week's day-by-day rain chances for Littlejohn Island in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Littlejohn Island?
Current conditions for Littlejohn 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 Littlejohn Island forecast updated?
The Littlejohn 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 Littlejohn Island?
Today's sunrise and sunset times for Littlejohn 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 Littlejohn Island?
The next few days in Littlejohn Island's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Littlejohn Island, Maine has a warm-summer humid continental climate: January averages roughly 24°F, July about 70°F, 46°F between them.

Yearly precipitation in Littlejohn Island totals around 48 inches, spread over about 80 days of rain or snow.

Latitude 43.8°N gives Littlejohn Island its 46°F swing, and with it the rhythm of Littlejohn Island's growing season.

All cities in Maine →

Portland, ME weather →

ZIP codes in Littlejohn Island

  • 04096

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.