West Cornwall, Connecticut Weather
Queen Anne's lace lines the roads. Day 16 of summer. Read this microseason across nine climate regions →
West Cornwall weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Rain100%1.0″69°64°—
- TuesdayJul 7Light Drizzle37%0.02″74°62°+5°
- WednesdayJul 8Overcast——81°56°+7°
- ThursdayJul 9Light Showers13%—88°62°+7°
- FridayJul 10Light Showers57%—85°64°-3°
- SaturdayJul 11Partly Cloudy32%—82°63°-3°
- SundayJul 12Overcast22%—84°60°+2°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 6 hours of recent rain — PM2.5 down to 8.6 µg/m³, PM10 to 9.0 µg/m³.
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 42. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM scrubbed by 6 hours of recent rain — PM2.5 down to 8.6 µg/m³, PM10 to 9.0 µg/m³.
- PM2.5/PM10
- 0.96
- Wind
- calm
- Recent rain
- 6h in last 6h
- Pattern
- washed out
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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:33 PM
- Moonset
- 12:11 PM
- In sign
- ♓︎ Pisces
Queen Anne's lace lines the roads
West Cornwall at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 06796
15-Day Forecast — West Cornwall
- Mon69°64°100%
- Tue74°62°37%
- Wed81°56°8%
- Thu88°62°13%
- Fri85°64°57%
- Sat82°63°32%
- Sun84°60°22%
- Mon78°61°28%
- Tue81°57°20%
- Wed84°56°19%
- Thu65°62°22%
- Fri80°57°33%
- Sat73°50°35%
- Sun78°52°33%
- Mon83°61°38%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — West Cornwall
SPC includes West Cornwall in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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.
ZIP codes in West Cornwall
- 06796