Plattsville, Connecticut Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Plattsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast44%—97°77°—
- SundayJul 5Rain72%0.24″83°72°-14°
- MondayJul 6Heavy Showers85%4.6″70°62°-13°
- TuesdayJul 7Drizzle67%0.20″62°58°-8°
- WednesdayJul 8Overcast——79°54°+17°
- ThursdayJul 9Mostly Clear14%—83°65°+4°
- FridayJul 10Light Drizzle36%—87°68°+4°
AQI 34 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 8.6 µg/m³, PM10 at 9.4 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43 now. With UV 5.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 31 around 1 PM.
- Present
- AQI 43
- UV peak
- 5.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 31
PM × Wind × Precip
PM2.5 at 8.6 µg/m³, PM10 at 9.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:48 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Plattsville at a glance
- Today vs. normal: 14°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.
16-Day Forecast — Plattsville
- Sat97°77°44%
- Sun83°72°72%
- Mon70°62°85%
- Tue62°58°67%
- Wed79°54°9%
- Thu83°65°14%
- Fri87°68°36%
- Sat75°68°25%
- Sun70°65°28%
- Mon67°62°20%
- Tue73°62°20%
- Wed80°61°23%
- Thu93°70°27%
- Fri94°74°43%
- Sat83°73°43%
- Sun86°68°37%
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 — Plattsville
SPC has placed Plattsville 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.
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
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
Plattsville peaks at about 75°F in July and bottoms near 30°F in January; December brings the heaviest rain (4.8 inches) and February the least (3.3 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 4.1″ | 14 |
| February | 31° | 3.3″ | 13 |
| March | 39° | 4.0″ | 15 |
| April | 50° | 4.3″ | 18 |
| May | 58° | 4.0″ | 19 |
| June | 68° | 3.7″ | 17 |
| July | 75° | 3.6″ | 17 |
| August | 74° | 4.1″ | 17 |
| September | 68° | 3.6″ | 13 |
| October | 57° | 3.7″ | 13 |
| November | 44° | 4.5″ | 13 |
| December | 35° | 4.8″ | 14 |
Frequently asked
- When does it freeze in Plattsville?
- In Plattsville, expect the last spring frost near mid-April; Plattsville's first autumn frost comes around mid-November.
- What is the rainy season in Plattsville?
- Plattsville sees its heaviest rain in December (around 4.8 inches), part of roughly 48 inches a year.
- What is the warmest month in Plattsville?
- Plattsville peaks in July, when the mean runs near 75°F.
- What is the coldest month in Plattsville?
- January is Plattsville's coldest month, averaging about 30°F.
- When can I start a vegetable garden in Plattsville?
- Around mid-April, start frost-hardy crops in Plattsville; tomatoes and basil belong a fortnight later.
- How many rainy days does Plattsville get?
- Expect roughly 183 wet days a year in Plattsville.
- What hardiness zone is Plattsville?
- With January around 30°F, Plattsville's zone reflects that minimum — the USDA ZIP map confirms Plattsville's band.
- What is the 10-day forecast for Plattsville?
- Plattsville'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 Plattsville?
- See this week's day-by-day rain chances for Plattsville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Plattsville?
- Current conditions for Plattsville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Plattsville forecast updated?
- The Plattsville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Plattsville?
- Today's sunrise and sunset times for Plattsville 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 Plattsville?
- The next few days in Plattsville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Plattsville, Connecticut swings from 30°F in the heart of winter to 75°F at midsummer — a 45°F arc.
Across the year, Plattsville collects about 48 inches of precipitation over roughly 183 days with measurable rain or snow.
Plattsville's 45°F range, set by its 41.2°N position, drives frost timing and what thrives in Plattsville.
ZIP codes in Plattsville
- 06825
- 06612