Haledon, New Jersey Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Haledon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast34%—96°73°—
- SundayJul 5Heavy Rain52%2.1″87°71°-9°
- MondayJul 6Drizzle93%0.04″75°69°-12°
- TuesdayJul 7Heavy Drizzle86%0.08″69°62°-6°
- WednesdayJul 8Overcast24%—82°62°+13°
- ThursdayJul 9Overcast10%—91°70°+9°
- FridayJul 10Light Drizzle50%—87°71°-4°
AQI 117 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 62 in the last 6 hours — air quality is degrading. Ozone at AQI 91 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 91 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 91
- UV peak
- 0.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 91
PM × Wind × Precip
PM2.5 at 7.2 µg/m³, PM10 at 7.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- light
- 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
- 10:52 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Haledon at a glance
- Today vs. normal: 24°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 07508
16-Day Forecast — Haledon
- Sat96°73°34%
- Sun87°71°52%
- Mon75°69°93%
- Tue69°62°86%
- Wed82°62°24%
- Thu91°70°10%
- Fri87°71°50%
- Sat86°75°31%
- Sun86°70°28%
- Mon78°67°25%
- Tue84°68°20%
- Wed89°66°28%
- Thu92°70°41%
- Fri94°72°45%
- Sat93°72°34%
- Sun91°76°39%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Haledon
SPC has placed Haledon 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
The year in Haledon tops out in July (~75°F) and dips lowest in January (~28°F), with December wettest at 4.3 inches and February driest at 3.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 3.6″ | 14 |
| February | 30° | 3.0″ | 13 |
| March | 38° | 3.7″ | 16 |
| April | 50° | 4.2″ | 17 |
| May | 59° | 4.2″ | 18 |
| June | 68° | 4.3″ | 17 |
| July | 75° | 4.0″ | 17 |
| August | 74° | 4.3″ | 17 |
| September | 67° | 3.9″ | 14 |
| October | 56° | 3.5″ | 12 |
| November | 43° | 4.1″ | 13 |
| December | 33° | 4.3″ | 14 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Haledon sees 28°F Januarys and 75°F Julys, a 47°F range, plus around 47 inches of precipitation across 183 days.
No season owns Haledon's rain: December reaches 4.3 inches across 13.6 days and February keeps 3.0 inches on 13.3, an even spread through Haledon's year. It is a balanced pattern Haledon shares with places like Prospect Park, NJ, William Paterson University of New Jersey, NJ and North Haledon, NJ.
The cool-season window in Haledon starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. Hold Haledon's tender crops — tomatoes, peppers, basil — until 10-14 days past Haledon's last frost. Around mid-November, freezing nights resume in Haledon and tender crops must come in. Within Haledon, cold-air pooling chills low spots by 5-10°F, shifting Haledon's local frost dates.
Similar climates: Prospect Park, NJ, William Paterson University of New Jersey, NJ, North Haledon, NJ, Preakness, NJ, Paterson, NJ.
Frequently asked
- When does it freeze in Haledon?
- Frost typically leaves Haledon by mid-April and returns to Haledon near mid-November.
- What is the rainy season in Haledon?
- Rainfall in Haledon peaks in December near 4.3 inches, out of about 47 inches annually.
- What is the warmest month in Haledon?
- On average July tops the year in Haledon at about 75°F.
- What is the coldest month in Haledon?
- The coldest stretch in Haledon falls in January, around 28°F on average.
- When can I start a vegetable garden in Haledon?
- In Haledon, sow peas and hardy greens around mid-April; Haledon's tomatoes and peppers wait two weeks more.
- How many rainy days does Haledon get?
- Haledon records around 183 days of measurable precipitation annually.
- What hardiness zone is Haledon?
- Because Haledon bottoms near 28°F in January, that winter low sets Haledon's USDA zone — verify by ZIP.
- What is the 10-day forecast for Haledon?
- Haledon'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 Haledon?
- See this week's day-by-day rain chances for Haledon in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Haledon?
- Current conditions for Haledon and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Haledon forecast updated?
- The Haledon forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Haledon?
- Today's sunrise and sunset times for Haledon 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 Haledon?
- The next few days in Haledon's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The warm-summer humid continental climate of Haledon, New Jersey carries typical Januarys near 28°F and Julys around 75°F — 47°F of seasonal travel.
Across the year, Haledon collects about 47 inches of precipitation over roughly 183 days with measurable rain or snow.
From 40.9°N, Haledon sees a 47°F seasonal swing that governs Haledon's planting and frost windows.
ZIP codes in Haledon
- 07508
- 07538