Harlem Heights, Florida Weather
Storm intensity ebbs slightly. Day 93 of summer. Read this microseason across nine climate regions →
Harlem Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 10:19 AM EDT · Open-Meteo
- TodaySep 21Showers later36%0.35″85°72°—
- TuesdaySep 22Mostly Clear27%—83°72°-2°
- WednesdaySep 23Drizzle62%—85°75°+2°
- ThursdaySep 24Thunderstorm63%—86°76°+1°
- FridaySep 25Light Drizzle48%—89°76°+3°
- SaturdaySep 26Overcast34%—85°76°-4°
- SundaySep 27Overcast28%—88°73°+3°
Air quality now AQI 31 · Good
AQI 31 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~90%) — afternoon ozone should stay flat.
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 31. Overcast through the UV peak window (cloud cover ~90%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 4.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.84 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.84
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:27 PM
- Moonset
- 2:25 AM
- In sign
- ♑︎ Capricorn
Storm intensity ebbs slightly
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Harlem Heights at a glance
- Today vs. normal: Today averages 79°F (high 85°F, low 72°F), 2°F below the 81°F normal for Sep 21
- Last frost: None in most years — 32°F in 14% of 1991–2020 years (NOAA station 10 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant lettuce, peas, spinach, tomatoes, peppers, beans, squash; harvest summer squash, winter squash
16-Day Forecast — Harlem Heights
- Mon85°72°36%
- Tue83°72°27%
- Wed85°75°62%
- Thu86°76°63%
- Fri89°76°48%
- Sat85°76°34%
- Sun88°73°28%
- Mon89°74°26%
- Tue90°75°40%
- Wed90°78°46%
- Thu92°77°53%
- Fri90°76°71%
- Sat91°76°58%
- Sun90°77°55%
- Mon90°81°68%
- Tue90°75°52%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Year-round growing
As of September 21, sowing here runs through the year. Freezes are uncommon, so there is no frost date to plan around; heat and rainfall set the calendar instead. This city's planting calendar for September: plant lettuce, peas, spinach, tomatoes, peppers, beans, and squash; harvest summer squash and winter squash.
SPC Convective Outlook
Storm Prediction Center — Harlem Heights
SPC includes Harlem Heights in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Harlem Heights
Harlem Heights sits in Lee County, where the year’s longest day runs 13h 48m of daylight and its shortest just 10h 28m — a swing of +3h 20m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Miami, the state’s largest city, lies about 118 miles to the ESE. The nearest town Harlem Heights tracks is Cape Coral, roughly 10 miles to the NNW.
Air quality in Harlem Heights
Air quality in Harlem Heights’s county has trended cleaner since 2020; its cleanest year on record was 2023 (median AQI 35).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| February | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| March | radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| May | squash | tomatoes, peppers, beans, summer squash, winter squash |
| June | peppers, squash | tomatoes, peppers, beans, summer squash, winter squash |
| July | tomatoes, peppers, squash | tomatoes, summer squash, winter squash |
| August | lettuce, peas, tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | lettuce, peas, spinach, tomatoes, peppers, beans, squash | summer squash, winter squash |
| October | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | peppers, beans, summer squash, winter squash |
| November | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| December | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
A year in weather
Harlem Heights's warmest month is August (~83°F mean) and its coldest is January (~65°F). Rainfall peaks in August (10.4 inches) and bottoms out in November (1.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 65° | 2.4″ | 6 |
| February | 67° | 1.8″ | 5 |
| March | 70° | 2.1″ | 5 |
| April | 75° | 2.4″ | 5 |
| May | 79° | 3.5″ | 8 |
| June | 82° | 9.7″ | 17 |
| July | 83° | 9.4″ | 19 |
| August | 83° | 10.4″ | 18 |
| September | 82° | 9.0″ | 16 |
| October | 78° | 3.1″ | 8 |
| November | 72° | 1.8″ | 4 |
| December | 67° | 1.9″ | 5 |
Regional context
Similar climates Iona, FL, Cypress Lake, FL, McGregor, FL
Harlem Heights's climate, from NOAA NCEI 1991-2020 station normals, pairs 65°F Januarys with 83°F Julys — a 19°F swing. About 57.4 inches of precipitation falls over roughly 116 days a year.
Precipitation in Harlem Heights runs summer-dominant: August averages 10.4 inches across 18.4 days of warm-season storms, while November drops to 1.8 inches over 4.3 rainy days of drier cool air. That puts Harlem Heights in a summer-convective cohort with places like Iona, FL, Cypress Lake, FL and McGregor, FL.
Freezes are uncommon in Harlem Heights, where the coldest month averages 65°F; cool-season crops grow fall through spring. Summer heat in August (about 83°F) is the binding constraint, not cold. Harlem Heights beds by a wall stay warmer at night.
Similar climates: Iona, FL, Cypress Lake, FL, McGregor, FL, Punta Rassa, FL, Villas, FL.
Frequently asked
- When does it freeze in Harlem Heights?
- A freeze is the exception in Harlem Heights: the nearest NOAA station hit 32°F in 14% of 1991–2020 years, too few for a frost date in Harlem Heights.
- What is the rainy season in Harlem Heights?
- Rainfall in Harlem Heights peaks in August near 10.4 inches, out of about 57 inches annually.
- What is the warmest month in Harlem Heights?
- On average August tops the year in Harlem Heights at about 83°F.
- What is the coldest month in Harlem Heights?
- The coldest stretch in Harlem Heights falls in January, around 65°F on average.
- When can I start a vegetable garden in Harlem Heights?
- Harlem Heights has no frost date to wait for, so sowing runs year-round; lettuce and greens do best when Harlem Heights's coldest month settles near 65°F.
- How many rainy days does Harlem Heights get?
- Harlem Heights records around 116 days of measurable precipitation annually.
- What hardiness zone is Harlem Heights?
- With January around 65°F, Harlem Heights's zone reflects that minimum — the USDA ZIP map confirms Harlem Heights's band.
- What is the 10-day forecast for Harlem Heights?
- Harlem Heights'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 Harlem Heights?
- See this week's day-by-day rain chances for Harlem Heights in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Harlem Heights?
- Current conditions for Harlem Heights and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Harlem Heights forecast updated?
- The Harlem Heights forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Harlem Heights?
- Today's sunrise and sunset times for Harlem Heights 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 Harlem Heights?
- The next few days in Harlem Heights's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Harlem Heights sits at 26.5°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Harlem Heights
- 33908