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Coleytown, Connecticut Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Coleytown, CT
Saturday, July 4 at 5:45 AM
76
°
Clear
Feels like
81°
Humidity
75%
Wind
4 mph
Sunrise
1:26 AM
Sunset
4:29 PM
Coleytown, CT
Hour by hour · 24h
24-Hour ForecastColeytown, CT: 24-hour forecast. Temperatures range from 73 to 98 degrees Fahrenheit with a 34% chance of precipitation at 11 PM.
L 73°H 98°
Coleytown, CT
7-day forecast
  1. Today
    Jul 4
    Light Rain
    34%
    0.11″
    98°74°—
  2. Sunday
    Jul 5
    Light Rain
    76%
    0.16″
    87°72°-11°
  3. Monday
    Jul 6
    Showers
    86%
    0.96″
    71°66°-16°
  4. Tuesday
    Jul 7
    Light Showers
    67%
    0.03″
    66°60°-5°
  5. Wednesday
    Jul 8
    Overcast
    11%
    —
    83°57°+17°
  6. Thursday
    Jul 9
    Partly Cloudy
    15%
    —
    92°66°+9°
  7. Friday
    Jul 10
    Light Drizzle
    37%
    —
    88°67°-4°
Coleytown, CT
Next 24 hours · Mild now
HOT 90°65°85°105°6a12p6p12anow 77°high 98°low 73°PRECIP %
Coleytown, CT
Anemometer · 24h winds · from true
NESW
From · True
SW
230° · backing 79°
Direction
SW
230°
Sustained
4
mph
Gust
7
mph
Peak 24h
27
avg 7
Beaufort · 2 · LIGHT BRZ
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 7 · pk 27 @ 9:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 306SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Coleytown, CT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1010.2
+0.3 mb in 3h · steady · 29.83 inHg
Now
1010.2
mb
3h
+0.3
mb
12h
+1.2
mb
24h
-1.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1008–1012
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1012.11008.11009.9
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Coleytown, CT
Air quality
38
AQI
Good
↓-7 in 6h▲Peak ~45 @ 4 PM

AQI 38 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 9.6 µg/m³ (AQI 52) with a 0.91 fine-to-coarse ratio and 4 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 4 PM.

PM 2.5DRIVERGood
9.6μg/m³
PM 10Good
11μg/m³
NO₂Good
4μg/m³
OzoneModerate
75μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 35 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 16 around 1 PM.

Present
AQI 35
UV peak
3.3 at 1 PM
Sky at peak
clear
Projected peak
AQI 16

PM × Wind × Precip

PM2.5 at 9.6 µg/m³ (AQI 52) with a 0.91 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
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 TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³500
Coleytown, CT
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
40.4mi
UNLIMITED
115 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
09:45 UTC · Coleytown, CT · 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
09:45 UTC · Coleytown, CT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Coleytown, CT
Satellite · infrared · animated
Coleytown, CT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Coleytown, CT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:53 AM
Sunrise
1:26 AM
Daylight
15h 03m
Sunset
4:29 PM
Civil dusk
9:04 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Coleytown, CT
The moon
Waning Gibbous
82% illuminated
Moonrise
10:49 PM
Moonset
9:55 AM
In sign
♓︎ Pisces
Coleytown, CT
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Coleytown at a glance

  • Today vs. normal: 6°F above the seasonal normal for this latitude
  • Last frost: April 23 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

15-Day Forecast — Coleytown

  1. Sat97°74°34%
  2. Sun87°72°76%
  3. Mon71°66°86%
  4. Tue66°60°67%
  5. Wed83°57°11%
  6. Thu92°66°15%
  7. Fri88°67°37%
  8. Sat81°63°27%
  9. Sun76°67°29%
  10. Mon85°64°20%
  11. Tue93°69°20%
  12. Wed80°65°23%
  13. Thu86°60°27%
  14. Fri87°66°43%
  15. Sat77°69°43%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 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 — Coleytown

SPC has placed Coleytown in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

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.

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 185 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——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

July is Coleytown's warmest stretch (~75°F) and January its coldest (~30°F); precipitation crests in December at 4.8 inches and ebbs in February to 3.3 inches.

MonthMean tempPrecipRainy days
January30°4.1″14
February31°3.3″13
March39°4.0″15
April50°4.3″18
May58°4.0″19
June68°3.7″17
July75°3.6″17
August74°4.1″17
September68°3.6″13
October57°3.7″13
November44°4.5″13
December35°4.8″14

Regional context

Per NOAA NCEI 1991-2020 normals, Coleytown runs from a 30°F January mean to 75°F in July, a 45°F seasonal spread, with near 47.7 inches of precipitation across about 183 wet days.

No season owns Coleytown's rain: December reaches 4.8 inches across 13.8 days and February keeps 3.3 inches on 13.3, an even spread through Coleytown's year. That lines Coleytown up with places like Poplar Plains, CT, Staples, CT and Westport Village, CT, fed by overlapping storm tracks.

Coleytown reaches its last hard frost near mid-April; that is the cue for kale, peas, spinach, and parsnips. Heat-demanding starts go out a fortnight on in Coleytown, after the soil warms and cold snaps clear. The season ends by mid-November in Coleytown, once hard frosts set back in. A creek-bottom lot in Coleytown can lag Coleytown's last frost 7-10 days behind a south slope.

Similar climates: Poplar Plains, CT, Staples, CT, Westport Village, CT, Old Hill, CT, Weston, CT.

Frequently asked

When does it freeze in Coleytown?
Coleytown's last spring frost lands near mid-April, and in Coleytown the first fall frost follows around mid-November.
What is the rainy season in Coleytown?
Rainfall in Coleytown peaks in December near 4.8 inches, out of about 48 inches annually.
What is the warmest month in Coleytown?
Coleytown peaks in July, when the mean runs near 75°F.
What is the coldest month in Coleytown?
January is Coleytown's coldest month, averaging about 30°F.
When can I start a vegetable garden in Coleytown?
Around mid-April, start frost-hardy crops in Coleytown; tomatoes and basil belong a fortnight later.
How many rainy days does Coleytown get?
Expect roughly 183 wet days a year in Coleytown.
What hardiness zone is Coleytown?
Since January in Coleytown averages 30°F, Coleytown's USDA zone follows that floor — confirm it by ZIP.
What is the 10-day forecast for Coleytown?
Coleytown'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 Coleytown?
See this week's day-by-day rain chances for Coleytown in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Coleytown?
Current conditions for Coleytown and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Coleytown forecast updated?
The Coleytown forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Coleytown?
Today's sunrise and sunset times for Coleytown 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 Coleytown?
The next few days in Coleytown's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In Coleytown, Connecticut, the warm-summer humid continental climate runs from about 30°F in January to 75°F in July, a 45°F seasonal range.

Yearly precipitation in Coleytown totals around 48 inches, spread over about 183 days of rain or snow.

From 41.2°N, Coleytown sees a 45°F seasonal swing that governs Coleytown's planting and frost windows.

All cities in Connecticut →

Norwalk, CT weather →

ZIP codes in Coleytown

  • 06880

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.