Bridgeport, Connecticut Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Bridgeport weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——85°56°—
- FridayJun 5Overcast——92°60°+7°
- SaturdayJun 6Drizzle38%0.02″93°62°+1°
- SundayJun 7Light Showers38%0.13″85°64°-8°
- MondayJun 8Overcast——82°56°-3°
- TuesdayJun 9Overcast——87°60°+5°
- WednesdayJun 10Partly Cloudy10%—89°64°+2°
AQI 84 (Moderate), driven by PM2.5. AQI up 22 in the last 6 hours — air quality is degrading. PM2.5 at 12.1 µg/m³ (AQI 57) with a 0.82 fine-to-coarse ratio and 2 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 46. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 46
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 12.1 µg/m³ (AQI 57) with a 0.82 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:55 AM
- Moonset
- 1:54 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Bridgeport at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Bridgeport
SPC has placed Bridgeport in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July brings Bridgeport's warmest temperatures at roughly 76°F mean, while January delivers the coldest at around 31°F. April sees peak rainfall at 4.2 inches, with November marking the driest period at 3.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.2″ | 7 |
| February | 33° | 3.1″ | 6 |
| March | 40° | 4.1″ | 8 |
| April | 50° | 4.2″ | 7 |
| May | 60° | 3.6″ | 7 |
| June | 70° | 3.8″ | 7 |
| July | 76° | 3.3″ | 6 |
| August | 75° | 4.0″ | 6 |
| September | 68° | 4.0″ | 6 |
| October | 56° | 3.8″ | 6 |
| November | 46° | 3.1″ | 6 |
| December | 37° | 4.0″ | 8 |
Regional context
Bridgeport belongs to the warm-summer humid continental climate region, sharing temperature ranges, seasonal cycles, and growing conditions with other cities in this climate zone.
Similar climates: Hartford, CT, New Haven, CT, Waterbury, CT, Danbury, CT, Norwich, CT.
Naturalist notes
Red-winged blackbirds return to Bridgeport's wetlands during late March, their territorial calls signaling winter's retreat.
Sugar maples begin leafing out in early May as soil temperatures warm past the critical threshold.
Frequently asked
- When does it freeze in Bridgeport?
- Spring's final frost usually occurs around mid-April in Bridgeport, while the first fall frost typically arrives around mid-November.
- What is the rainy season in Bridgeport?
- April records the highest monthly rainfall at approximately 4.2 inches, contributing to the city's annual total of roughly 44 inches.
- What is the warmest month in Bridgeport?
- July typically brings the warmest weather, with average temperatures around 76°F.
- What is the coldest month in Bridgeport?
- January typically delivers the coldest conditions, averaging about 31°F.
- When can I start a vegetable garden in Bridgeport?
- Cool-season vegetables like peas and lettuce can be planted around the last spring frost in mid-April, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after.
- How many rainy days does Bridgeport get?
- Bridgeport experiences approximately 78 rainy days annually.
- What hardiness zone is Bridgeport?
- Bridgeport's USDA hardiness zone reflects its lowest average winter temperatures; the USDA's online zone lookup tool provides current designations by ZIP code.
Climate
Bridgeport, Connecticut experiences a warm-summer humid continental climate. January temperatures hover near 31°F while July averages reach 76°F, creating a 44°F seasonal swing.
Annual precipitation totals about 44 inches, distributed across roughly 78 rainy days throughout the year.
Geographic factors drive the local weather patterns: latitude at 41.2°N, nearby water bodies, and elevation all influence growing seasons, frost timing, and daily weather conditions.