Weather StoryAlmanac, microseasons, and the day's weather story.

Thompsonville, Connecticut Weather

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

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

Thompsonville, CT
Saturday, July 4 at 6:49 AM
80
°
Clear
Feels like
85°
Humidity
71%
Wind
7 mph
Sunrise
1:20 AM
Sunset
4:29 PM
Thompsonville, CT
Hour by hour · 24h
24-Hour ForecastThompsonville, CT: 24-hour forecast. Temperatures range from 70 to 94 degrees Fahrenheit with a 28% chance of precipitation at 12 AM.
L 70°H 94°
Thompsonville, CT
7-day forecast
  1. Today
    Jul 4
    Heavy Drizzle
    18%
    0.05″
    94°77°
  2. Sunday
    Jul 5
    Light Rain
    41%
    0.06″
    89°70°-5°
  3. Monday
    Jul 6
    Showers
    70%
    2.5″
    73°61°-16°
  4. Tuesday
    Jul 7
    Light Rain
    60%
    0.21″
    62°59°-11°
  5. Wednesday
    Jul 8
    Overcast
    83°55°+21°
  6. Thursday
    Jul 9
    Light Drizzle
    16%
    94°62°+11°
  7. Friday
    Jul 10
    Light Drizzle
    36%
    87°66°-7°
Thompsonville, CT
Anemometer · 24h winds · from true
NESW
From · True
WNW
297° · veering 45°
Direction
WNW
297°
Sustained
7
mph
Gust
20
mph
Peak 24h
24
avg 8
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 8 · pk 24 @ 5:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 229SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 45° from the wnw.
Thompsonville, CT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1006.6
-0.5 mb in 3h · steady · 29.72 inHg
Now
1006.6
mb
3h
-0.5
mb
12h
+0.4
mb
24h
-2.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10061009
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1008.71005.51006.1
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Thompsonville, CT
Air quality
39
AQI
Good
-4 in 6hPeak ~48 @ 5 PM

AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.

PM 2.5Good
7.6μg/m³
PM 10Good
8μg/m³
NO₂Good
4μg/m³
OzoneDRIVERModerate
91μg/m³
UV IndexLow
0.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.

Present
AQI 43
UV peak
0.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 5

PM × Wind × Precip

PM2.5 at 7.6 µg/m³, PM10 at 8.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.92
Wind
light
Recent rain
0h in last 6h
Pattern
background
Thompsonville, CT
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
43.8mi
UNLIMITED
104 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
10:49 UTC · Thompsonville, 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
10:49 UTC · Thompsonville, CT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Thompsonville, CT
Satellite · infrared · animated
Thompsonville, CT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Thompsonville, CT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:47 AM
Sunrise
1:20 AM
Daylight
15h 09m
Sunset
4:29 PM
Civil dusk
9:04 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Thompsonville, CT
The moon
Waning Gibbous
82% illuminated
Moonrise
10:47 PM
Moonset
9:51 AM
In sign
♓︎ Pisces
Thompsonville, CT
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Thompsonville at a glance

  • Today vs. normal: 10°F above the seasonal normal for this latitude
  • Last frost: April 28 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

15-Day Forecast — Thompsonville

  1. Sat94°77°18%
  2. Sun89°70°41%
  3. Mon73°61°70%
  4. Tue62°59°60%
  5. Wed83°55°8%
  6. Thu94°62°16%
  7. Fri87°66°36%
  8. Sat85°56°23%
  9. Sun71°61°24%
  10. Mon82°62°17%
  11. Tue92°64°20%
  12. Wed79°61°26%
  13. Thu85°58°29%
  14. Fri91°62°34%
  15. Sat75°65°45%

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 — Thompsonville

SPC includes Thompsonville in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • 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.

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 coastMay 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
Augusttomatoes, 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

In Thompsonville, July runs warmest near 73°F and January coldest around 25°F, while October is the wettest month (4.7 inches) and February the driest (2.6 inches).

MonthMean tempPrecipRainy days
January25°2.85
February28°2.66
March36°3.46
April48°4.17
May59°3.78
June67°4.48
July73°4.27
August71°3.77
September63°4.66
October51°4.77
November41°3.56
December31°3.67

Regional context

In Thompsonville, NOAA NCEI 1991-2020 normals put January near 25°F and July near 73°F — a 48°F seasonal arc — with about 45.2 inches of precipitation over 78 rainy or snowy days.

Thompsonville's precipitation spreads evenly: October peaks at 4.7 inches on 6.7 wet days, while February holds 2.6 inches over 5.8 — no month dominates Thompsonville's rain calendar. It is a balanced pattern Thompsonville shares with places like Sherwood Manor, CT, Southwood Acres, CT and Suffield Depot, CT.

Thompsonville 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 Thompsonville, after the soil warms and cold snaps clear. By mid-November, frost is back in Thompsonville — protect or harvest anything tender. Thompsonville's low ground holds frost later into spring than Thompsonville's benches, which run 3-5 days ahead.

Similar climates: Sherwood Manor, CT, Southwood Acres, CT, Suffield Depot, CT, Hazardville, CT, Broad Brook, CT.

Frequently asked

When does it freeze in Thompsonville?
Frost typically leaves Thompsonville by mid-April and returns to Thompsonville near mid-November.
What is the rainy season in Thompsonville?
Thompsonville sees its heaviest rain in October (around 4.7 inches), part of roughly 45 inches a year.
What is the warmest month in Thompsonville?
Thompsonville peaks in July, when the mean runs near 73°F.
What is the coldest month in Thompsonville?
January is Thompsonville's coldest month, averaging about 25°F.
When can I start a vegetable garden in Thompsonville?
In Thompsonville, sow peas and hardy greens around mid-April; Thompsonville's tomatoes and peppers wait two weeks more.
How many rainy days does Thompsonville get?
Expect roughly 78 wet days a year in Thompsonville.
What hardiness zone is Thompsonville?
Since January in Thompsonville averages 25°F, Thompsonville's USDA zone follows that floor — confirm it by ZIP.
What is the 10-day forecast for Thompsonville?
Thompsonville'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 Thompsonville?
See this week's day-by-day rain chances for Thompsonville in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Thompsonville?
Current conditions for Thompsonville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Thompsonville forecast updated?
The Thompsonville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Thompsonville?
Today's sunrise and sunset times for Thompsonville 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 Thompsonville?
The next few days in Thompsonville'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 Thompsonville, Connecticut carries typical Januarys near 25°F and Julys around 73°F — 48°F of seasonal travel.

Thompsonville sees close to 45 inches of precipitation annually, falling across some 78 wet days.

Thompsonville sits at 42.0°N; that 48°F seasonal swing frames planting windows and frost dates across Thompsonville.

ZIP codes in Thompsonville

  • 06082

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.