Bristol, Connecticut Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Bristol weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Drizzle50%0.07″79°68°—
- MondayJul 6Rain86%0.74″68°63°-11°
- TuesdayJul 7Rain91%0.51″66°59°-2°
- WednesdayJul 8Overcast19%—83°54°+17°
- ThursdayJul 9Overcast10%—86°61°+3°
- FridayJul 10Light Showers38%—76°66°-10°
- SaturdayJul 11Overcast30%—81°61°+5°
AQI 54 (Moderate), driven by PM2.5. AQI up 10 over the last 6 hours (gradual rise). PM2.5 at 21.8 µg/m³ (AQI 75) with a 0.95 fine-to-coarse ratio and 4 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 0.7 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 21.8 µg/m³ (AQI 75) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- 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
- 11:09 PM
- Moonset
- 11:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bristol at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 06010
16-Day Forecast — Bristol
- Sun79°68°50%
- Mon68°63°86%
- Tue66°59°91%
- Wed83°54°19%
- Thu86°61°10%
- Fri76°66°38%
- Sat81°61°30%
- Sun81°61°19%
- Mon82°66°20%
- Tue78°64°15%
- Wed80°63°19%
- Thu74°61°32%
- Fri87°61°27%
- Sat86°63°29%
- Sun74°62°23%
- Mon66°64°29%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Bristol
Right now in the garden
Peak growing season
As of July 5, 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 — Bristol
SPC includes Bristol in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Bristol
- 06010
- 06011