Bronx, New York Weather
Apples hang heavy on the branch. Day 93 of summer. Read this microseason across nine climate regions →
Bronx weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 12:40 AM EDT · Open-Meteo
- TodaySep 21Light Drizzle later24%0.03″72°60°—
- TuesdaySep 22Overcast24%—66°56°-6°
- WednesdaySep 23Overcast——66°56°0°
- ThursdaySep 24Overcast——68°54°+2°
- FridaySep 25Overcast43%—70°55°+2°
- SaturdaySep 26Drizzle43%0.21″68°59°-2°
- SundaySep 27Light Drizzle31%0.04″74°61°+6°
Air quality now AQI 55 · Moderate
AQI 55 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 11.6 µg/m³, PM10 to 12.5 µg/m³.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 11.6 µg/m³, PM10 to 12.5 µg/m³.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:30 PM
- Moonset
- 1:11 AM
- In sign
- ♑︎ Capricorn
Apples hang heavy on the branch
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Bronx at a glance
- Today vs. normal: Today averages 66°F (high 72°F, low 60°F), 3°F below the 69°F normal for Sep 21
- Last frost: April 1 (1991–2020 median, NOAA station 2 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest tomatoes, peppers, beans, summer squash, winter squash
15-Day Forecast — Bronx
- Mon72°60°24%
- Tue66°56°24%
- Wed66°56°6%
- Thu68°54°8%
- Fri70°55°43%
- Sat68°59°43%
- Sun74°61°31%
- Mon73°56°11%
- Tue76°56°11%
- Wed81°63°17%
- Thu86°67°16%
- Fri77°64°10%
- Sat77°66°13%
- Sun77°69°26%
- Mon73°55°26%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Bronx
Interactive wind and temperature map centered on Bronx — it loads in your browser. Open the full weather map.
Right now in the garden
Late season
As of September 21, the first frost (around November 16) is about 8 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Bronx
Bronx sits in Bronx County, where the year’s longest day runs 15h 7m of daylight and its shortest just 9h 14m — a swing of +5h 52m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
New York, the state’s largest city, lies about 11 miles to the SSW. The nearest town Bronx tracks is Yonkers, roughly 7 miles to the N.
Air quality in Bronx
Air quality in Bronx’s county has held roughly steady since 2020; its cleanest year on record was 2024 (median AQI 42). See the full air-quality history for Bronx.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, summer squash, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| August | tomatoes, peppers, beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
Bronx's warmest month is July (~79°F mean) and its coldest is January (~34°F). Rainfall peaks in August (4.4 inches) and bottoms out in February (2.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 34° | 3.3″ | 10 |
| February | 36° | 2.9″ | 10 |
| March | 43° | 4.0″ | 11 |
| April | 54° | 3.9″ | 11 |
| May | 64° | 3.6″ | 12 |
| June | 73° | 4.0″ | 11 |
| July | 79° | 4.3″ | 10 |
| August | 78° | 4.4″ | 10 |
| September | 71° | 3.9″ | 8 |
| October | 60° | 3.8″ | 9 |
| November | 49° | 3.1″ | 9 |
| December | 40° | 4.1″ | 12 |
Regional context
Similar climates Pelham Manor, NY, Mount Vernon, NY, Bronxville, NY
Bronx's climate, from NOAA NCEI 1991-2020 station normals, pairs 34°F Januarys with 79°F Julys — a 45°F swing. About 45.3 inches of precipitation falls over roughly 122 days a year.
Bronx's precipitation spreads evenly across the seasons: August peaks at 4.4 inches on 9.5 wet days, while February holds 2.9 inches over 10.2 — no season 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 April 1, 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 November 16, when freezes return to Bronx and tender plants need cover. In about half of years, Bronx's last freeze comes after April 1.
Similar climates: Pelham Manor, NY, Mount Vernon, NY, Bronxville, NY, Yonkers, NY, Manhattan, NY.
Frequently asked
- When does it freeze in Bronx?
- Frost typically leaves Bronx by April 1 and returns to Bronx near November 16.
- What is the rainy season in Bronx?
- Bronx sees its heaviest rain in August (around 4.4 inches), part of roughly 45 inches a year.
- What is the warmest month in Bronx?
- The warmest stretch in Bronx comes in July, around 79°F on average.
- What is the coldest month in Bronx?
- On average January is the chilliest month in Bronx, about 34°F.
- When can I start a vegetable garden in Bronx?
- Time tomatoes in Bronx for two weeks after April 1; peas and greens start at Bronx's frost line.
- How many rainy days does Bronx get?
- Bronx averages about 122 days with measurable rain or snow each year.
- What hardiness zone is Bronx?
- Bronx sits in the USDA zone set by January lows near 34°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.
Bronx sits at 40.9°N; its climate zone is warm-summer humid continental (Köppen approximation).
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
- 10451
- 10452
- 10453
- 10454
- 10455
- 10456
- 10457
- 10458
- 10459
- 10460
- 10461
- 10462
- 10463
- 10464
- 10465
- 10466
- 10467
- 10468
- 10469
- 10470
- 10471
- 10472
- 10473
- 10474
- 10475
- 11370