Compo, Connecticut Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Compo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast29%—98°76°—
- SundayJul 5Heavy Rain77%0.68″84°71°-14°
- MondayJul 6Heavy Showers87%3.9″71°63°-13°
- TuesdayJul 7Drizzle67%0.14″63°59°-8°
- WednesdayJul 8Overcast13%—84°53°+21°
- ThursdayJul 9Partly Cloudy14%—86°64°+2°
- FridayJul 10Light Drizzle37%—90°68°+4°
AQI 34 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 8.9 µg/m³, PM10 at 9.7 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 39 now. With UV 2.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 39
- UV peak
- 2.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 8.9 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- 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
- 10:49 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Compo at a glance
- Today vs. normal: 13°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 — Compo
- Sat98°76°29%
- Sun84°71°77%
- Mon71°63°87%
- Tue63°59°67%
- Wed84°53°13%
- Thu86°64°14%
- Fri90°68°37%
- Sat78°69°26%
- Sun70°65°28%
- Mon69°62°20%
- Tue75°62°20%
- Wed83°60°23%
- Thu95°70°27%
- Fri95°73°43%
- Sat85°72°43%
- Sun88°67°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 — Compo
SPC has placed Compo 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.
ZIP codes in Compo
- 06880
- 06888