Old Saybrook Center, Connecticut Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Old Saybrook Center weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle43%0.05″94°76°—
- SundayJul 5Overcast48%—80°70°-14°
- MondayJul 6Heavy Showers77%5.0″69°64°-11°
- TuesdayJul 7Heavy Showers68%1.1″64°59°-5°
- WednesdayJul 8Overcast12%—80°57°+16°
- ThursdayJul 9Overcast12%—79°66°-1°
- FridayJul 10Light Drizzle28%—80°69°+1°
AQI 51 (Moderate), driven by PM2.5. AQI projected to climb to 100 over the next 6 hours. PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.92 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42 now. With UV 5.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 30 around 1 PM.
- Present
- AQI 42
- UV peak
- 5.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 30
PM × Wind × Precip
PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.92 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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
- 10:45 PM
- Moonset
- 9:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Old Saybrook Center at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Old Saybrook Center
- Sat94°75°43%
- Sun80°70°48%
- Mon69°64°77%
- Tue64°59°68%
- Wed80°57°12%
- Thu79°66°12%
- Fri80°69°28%
- Sat73°69°23%
- Sun71°65°24%
- Mon68°63°19%
- Tue71°64°16%
- Wed75°62°25%
- Thu83°70°29%
- Fri85°73°31%
- Sat81°71°35%
- Sun81°68°40%
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 — Old Saybrook Center
SPC includes Old Saybrook Center 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 Old Saybrook Center
- 06475