Bronx, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Bronx weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast34%—98°76°—
- SundayJul 5Light Showers59%1.2″90°71°-8°
- MondayJul 6Light Showers90%0.31″73°71°-17°
- TuesdayJul 7Light Drizzle80%0.06″71°64°-2°
- WednesdayJul 8Overcast21%—82°63°+11°
- ThursdayJul 9Overcast12%—91°72°+9°
- FridayJul 10Overcast51%—91°76°0°
AQI 94 (Moderate), driven by Ozone. AQI up 40 in the last 6 hours — air quality is degrading. Ozone at AQI 104 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 104 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 104
- UV peak
- 3.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 104
PM × Wind × Precip
PM2.5 at 8.7 µg/m³, PM10 at 9.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 9:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bronx at a glance
- Today vs. normal: 27°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 10451, 10452, 10453, 10454, 10455, 10456, 10457, 10458 +17 more
16-Day Forecast — Bronx
- Sat98°76°34%
- Sun90°71°59%
- Mon73°71°90%
- Tue71°64°80%
- Wed82°63°21%
- Thu91°72°12%
- Fri91°76°51%
- Sat88°78°38%
- Sun87°72°25%
- Mon75°67°22%
- Tue84°69°24%
- Wed89°69°28%
- Thu93°74°41%
- Fri95°76°45%
- Sat94°77°34%
- Sun93°78°39%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Bronx
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 — Bronx
SPC has placed Bronx in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
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
Bronx's warmest month is July (~76°F mean) and its coldest is January (~31°F). Rainfall peaks in December (4.3 inches) and bottoms out in February (3.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.6″ | 13 |
| February | 33° | 3.0″ | 13 |
| March | 40° | 3.8″ | 15 |
| April | 50° | 4.0″ | 17 |
| May | 59° | 3.8″ | 18 |
| June | 69° | 3.6″ | 16 |
| July | 76° | 3.3″ | 16 |
| August | 75° | 4.0″ | 17 |
| September | 69° | 3.4″ | 13 |
| October | 58° | 3.3″ | 11 |
| November | 45° | 4.0″ | 13 |
| December | 36° | 4.3″ | 13 |
Regional context
Bronx's climate, from NOAA NCEI 1991-2020 station normals, pairs 31°F Januarys with 76°F Julys — a 44°F swing. About 44 inches of precipitation falls over roughly 175 days a year.
Bronx's precipitation spreads evenly: December peaks at 4.3 inches on 13.4 wet days, while February holds 3.0 inches over 12.8 — no month dominates Bronx's rain calendar. That even rhythm groups Bronx with places like Pelham Manor, NY, Mount Vernon, NY and Bronxville, NY.
Bronx's growing window opens around mid-April, once Bronx's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. In Bronx, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Bronx's frost date. It shuts near mid-November, when freezes return to Bronx and tender plants need cover. In Bronx, low spots run 4-7°F colder than nearby slopes, nudging Bronx's frost dates a week.
Similar climates: Pelham Manor, NY, Mount Vernon, NY, Bronxville, NY, Yonkers, NY, Manhattan, NY.
Naturalist notes
Peak cherry blossom blooms occur throughout Bronx parks during late April, coinciding with the area's last spring frost period.
American robins begin their dawn chorus in early May, signaling the transition from spring migration to nesting season.
Frequently asked
- When does it freeze in Bronx?
- Frost typically leaves Bronx by mid-April and returns to Bronx near mid-November.
- What is the rainy season in Bronx?
- Bronx sees its heaviest rain in December (around 4.3 inches), part of roughly 44 inches a year.
- What is the warmest month in Bronx?
- The warmest stretch in Bronx comes in July, around 76°F on average.
- What is the coldest month in Bronx?
- On average January is the chilliest month in Bronx, about 31°F.
- When can I start a vegetable garden in Bronx?
- Time tomatoes in Bronx for two weeks after mid-April; peas and greens start at Bronx's frost line.
- How many rainy days does Bronx get?
- Bronx averages about 175 days with measurable rain or snow each year.
- What hardiness zone is Bronx?
- Bronx sits in the USDA zone set by January lows near 31°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Bronx?
- Bronx's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Bronx?
- See this week's day-by-day rain chances for Bronx in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Bronx?
- Current conditions for Bronx and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Bronx forecast updated?
- The Bronx forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Bronx?
- Today's sunrise and sunset times for Bronx are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Bronx?
- The next few days in Bronx's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Bronx, New York occupies a warm-summer humid continental zone, with January means near 31°F and July around 76°F — a 45°F swing.
Bronx sees close to 44 inches of precipitation annually, falling across some 175 wet days.
Latitude 40.9°N gives Bronx its 45°F swing, and with it the rhythm of Bronx's growing season.
Beaches near Bronx
- Rockaway Beach18.5 mi
- Jacob Riis Beach19.4 mi
- Long Beach NY21.1 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.
ZIP codes in Bronx
- 10452
- 10475
- 10474
- 10471
- 10470
- 10473
- 10472
- 10453
- 10451
- 10457
- 10456
- 10455
- 10454
- 10459
- 10458
- 11370
- 10466
- 10467
- 10464
- 10465
- 10462
- 10463
- 10460
- 10461
- 10468
- 10469