Plantsville, Connecticut Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Plantsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Rain78%0.29″76°62°—
- TuesdayJun 16Overcast——76°55°0°
- WednesdayJun 17Drizzle12%—76°58°0°
- ThursdayJun 18Light Showers44%0.08″92°62°+16°
- FridayJun 19Overcast27%—83°60°-9°
- SaturdayJun 20Partly Cloudy——77°55°-6°
- SundayJun 21Light Drizzle10%—73°54°-4°
AQI 50 (Good), driven by Ozone. AQI down 41 over the last 6 hours — air quality is improving sharply. Ozone at AQI 43 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 around 1 PM.
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 43 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 43
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 19
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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:14 AM
- Moonset
- 8:42 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Plantsville at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Plantsville
- Mon76°62°78%
- Tue76°55°0%
- Wed76°58°12%
- Thu92°62°44%
- Fri83°60°27%
- Sat77°55°6%
- Sun73°54°10%
- Mon75°53°23%
- Tue80°53°29%
- Wed84°55°21%
- Thu80°59°16%
- Fri84°61°48%
- Sat82°55°33%
- Sun86°57°42%
- Mon90°67°43%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 · June 11–15
Solstice approaches — longest light
Sunrise before 5:30 AM; sunset nearly 8:30 PM.
Day 166 of 365 · Wedge 33 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
The year in Plantsville tops out in July (~73°F) and dips lowest in January (~28°F), with October wettest at 4.5 inches and February driest at 2.9 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 3.0″ | 5 |
| February | 30° | 2.9″ | 5 |
| March | 38° | 4.0″ | 6 |
| April | 49° | 4.1″ | 7 |
| May | 59° | 3.5″ | 7 |
| June | 68° | 4.0″ | 7 |
| July | 73° | 3.4″ | 6 |
| August | 72° | 3.5″ | 6 |
| September | 65° | 4.3″ | 5 |
| October | 53° | 4.5″ | 6 |
| November | 42° | 3.4″ | 6 |
| December | 33° | 4.1″ | 7 |
Regional context
Per NOAA NCEI 1991-2020 normals, Plantsville runs from a 28°F January mean to 73°F in July, a 45°F seasonal spread, with near 44.9 inches of precipitation across about 74 wet days.
Rainfall in Plantsville stays even across the calendar: October tops out at 4.5 inches over 6.3 rainy days, and February still logs 2.9 inches across 5.4 — a narrow range for Plantsville. That even rhythm groups Plantsville with places like Cheshire Village, CT, Meriden, CT and Kensington, CT.
Once Plantsville passes mid-April, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Plantsville's heat-lovers — tomatoes, peppers, squash — hold off until Plantsville's frost risk clears, 10-14 days on. Frost returns to Plantsville near mid-November, ending the tender-crop season. Plantsville's low ground holds frost later into spring than Plantsville's benches, which run 3-5 days ahead.
Similar climates: Cheshire Village, CT, Meriden, CT, Kensington, CT, Bristol, CT, Waterbury, CT.
Frequently asked
- When does it freeze in Plantsville?
- Plantsville's last spring frost lands near mid-April, and in Plantsville the first fall frost follows around mid-November.
- What is the rainy season in Plantsville?
- October is the wettest month in Plantsville, about 4.5 inches on average; the year totals roughly 45 inches.
- What is the warmest month in Plantsville?
- On average July tops the year in Plantsville at about 73°F.
- What is the coldest month in Plantsville?
- The coldest stretch in Plantsville falls in January, around 28°F on average.
- When can I start a vegetable garden in Plantsville?
- Around mid-April, start frost-hardy crops in Plantsville; tomatoes and basil belong a fortnight later.
- How many rainy days does Plantsville get?
- Expect roughly 74 wet days a year in Plantsville.
- What hardiness zone is Plantsville?
- Since January in Plantsville averages 28°F, Plantsville's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Plantsville?
- Plantsville'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 Plantsville?
- See this week's day-by-day rain chances for Plantsville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Plantsville?
- Current conditions for Plantsville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Plantsville forecast updated?
- The Plantsville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Plantsville?
- Day length in Plantsville peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
- How accurate is the weather forecast for Plantsville?
- The next few days in Plantsville'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 Plantsville, Connecticut carries typical Januarys near 28°F and Julys around 73°F — 45°F of seasonal travel.
Across the year, Plantsville collects about 45 inches of precipitation over roughly 74 days with measurable rain or snow.
From 41.6°N, Plantsville sees a 45°F seasonal swing that governs Plantsville's planting and frost windows.
ZIP codes in Plantsville
- 06479