Canaan, Connecticut Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Canaan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle41%0.03″91°72°—
- SundayJul 5Light Drizzle46%0.01″84°68°-7°
- MondayJul 6Light Showers73%2.2″72°60°-12°
- TuesdayJul 7Heavy Rain60%1.3″66°54°-6°
- WednesdayJul 8Overcast——83°51°+17°
- ThursdayJul 9Mostly Clear25%—86°60°+3°
- FridayJul 10Light Drizzle36%0.02″86°65°0°
AQI 43 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 50 now. With UV 5.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 25 around 1 PM.
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 50 now. With UV 5.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 25 around 1 PM.
- Present
- AQI 50
- UV peak
- 5.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 25
PM × Wind × Precip
PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:50 PM
- Moonset
- 9:54 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Canaan at a glance
- Today vs. normal: 8°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.
ZIP code: 06018
16-Day Forecast — Canaan
- Sat90°72°41%
- Sun84°68°46%
- Mon72°60°73%
- Tue66°54°60%
- Wed83°51°8%
- Thu86°60°25%
- Fri86°65°36%
- Sat79°65°23%
- Sun71°61°32%
- Mon67°60°20%
- Tue67°61°25%
- Wed85°58°35%
- Thu92°67°26%
- Fri88°69°40%
- Sat87°68°35%
- Sun82°60°33%
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 — Canaan
SPC includes Canaan 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.
ZIP codes in Canaan
- 06018