Meriden, Connecticut Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Meriden weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle36%0.01″95°76°—
- SundayJul 5Light Drizzle46%0.02″86°70°-9°
- MondayJul 6Heavy Showers75%4.9″71°61°-15°
- TuesdayJul 7Rain72%1.3″61°57°-10°
- WednesdayJul 8Overcast——83°52°+22°
- ThursdayJul 9Overcast14%—85°61°+2°
- FridayJul 10Light Drizzle36%—89°66°+4°
AQI 35 (Good), driven by PM2.5. AQI projected to climb to 55 over the next 6 hours. PM2.5 at 8.0 µg/m³ (AQI 44) with a 0.93 fine-to-coarse ratio and 5 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 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 8.0 µg/m³ (AQI 44) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- light
- 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
- 10:47 PM
- Moonset
- 9:52 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Meriden at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 06450, 06451
16-Day Forecast — Meriden
- Sat95°73°36%
- Sun86°70°46%
- Mon71°61°75%
- Tue61°57°72%
- Wed83°52°9%
- Thu85°61°14%
- Fri89°66°36%
- Sat75°67°25%
- Sun73°63°27%
- Mon67°61°18%
- Tue70°61°18%
- Wed85°60°26%
- Thu94°68°26%
- Fri93°71°36%
- Sat85°70°35%
- Sun85°64°40%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Meriden
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 — Meriden
SPC includes Meriden 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 Meriden
- 06450
- 06451