Haleiwa, Hawaii Weather
Dry season takes hold. Day 50 of autumn. Read this microseason across nine climate regions →
Haleiwa weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 11:29 AM HST · Open-Meteo
- TodayNov 10Light Drizzle later57%0.05″81°73°—
- WednesdayNov 11Light Drizzle63%0.04″81°73°0°
- ThursdayNov 12Drizzle80%0.11″79°73°-2°
- FridayNov 13Light Drizzle81%0.10″79°72°0°
- SaturdayNov 14Light Drizzle86%0.15″80°72°+1°
- SundayNov 15Light Drizzle85%0.12″78°73°-2°
- MondayNov 16Light Drizzle54%0.02″81°73°+3°
Air quality now AQI 54 · Moderate
AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.1 µg/m³ (AQI 53), ratio 0.58 with 14 mph wind — characteristic of long-range haze transport rather than a local source.
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 37. Overcast through the UV peak window (cloud cover ~88%) — afternoon ozone should stay flat.
- Present
- AQI 37
- UV peak
- 6.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 10.1 µg/m³ (AQI 53), ratio 0.58 with 14 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.58
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 8:09 AM
- Moonset
- 6:16 PM
- In sign
- ♐︎ Sagittarius
Dry season takes hold
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Haleiwa at a glance
- Today vs. normal: Today averages 77°F (high 81°F, low 73°F), 3°F above the 74°F normal for Nov 10
- Last frost: None — no 32°F night in 1991–2020 (NOAA station 7 km away)
- Microseason: Nov 6–10
- Planting calendar: November — plant lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Haleiwa
- Tue81°73°57%
- Wed81°73°63%
- Thu79°73°80%
- Fri79°72°81%
- Sat80°72°86%
- Sun78°73°85%
- Mon81°73°54%
- Tue79°72°50%
- Wed80°72°65%
- Thu82°69°45%
- Fri81°68°70%
- Sat74°69°67%
- Sun77°69°61%
- Mon76°68°35%
- Tue79°67°45%
- Wed81°72°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Year-round growing
As of November 10, 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 November: plant lettuce, peas, spinach, radishes, tomatoes, peppers, beans, and squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Haleiwa
Haleiwa sits in Honolulu County, where the year’s longest day runs 13h 27m of daylight and its shortest just 10h 49m — a swing of +2h 38m between the June and December solstices.
Honolulu, the state’s largest city, lies about 25 miles to the SE. The nearest town Haleiwa tracks is Honolulu, roughly 25 miles to the SE.
Air quality in Haleiwa
Air quality in Haleiwa’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 28).
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 | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| April | lettuce, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| June | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | lettuce, peas, tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| September | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| October | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, 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
Haleiwa peaks at about 78°F in August and bottoms near 69°F in February; December brings the heaviest rain (5.6 inches) and July the least (1.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 69° | 4.8″ | 12 |
| February | 69° | 2.8″ | 13 |
| March | 70° | 4.5″ | 15 |
| April | 71° | 2.4″ | 14 |
| May | 73° | 1.8″ | 12 |
| June | 76° | 1.2″ | 12 |
| July | 77° | 1.1″ | 13 |
| August | 78° | 1.5″ | 11 |
| September | 77° | 1.3″ | 12 |
| October | 76° | 2.6″ | 12 |
| November | 73° | 3.4″ | 14 |
| December | 71° | 5.6″ | 15 |
Regional context
Similar climates Waialua, HI, Mokuleia, HI, Pupukea, HI
By the nearest station's NOAA NCEI 1991-2020 normals, Haleiwa sees 69°F Januarys and 77°F Julys, an 8°F range, plus around 33 inches of precipitation across 155 days.
Cool-season fronts carry Haleiwa's rain: December logs 5.6 inches on 15.2 days, against July's 1.1 inches on 12.5 — winter does the heavy lifting in Haleiwa. That cool-season-wet pattern aligns Haleiwa with places like Waialua, HI, Mokuleia, HI and Pupukea, HI.
Haleiwa rarely sees a hard freeze — its coldest month sits near 69°F — so planting spans most of the calendar. Heat peaks in August around 78°F, which confines cool-season crops to the shoulders of summer. Haleiwa's open lawns chill fastest on clear nights.
Similar climates: Waialua, HI, Mokuleia, HI, Pupukea, HI, Helemano, HI, Whitmore Village, HI.
Frequently asked
- When does it freeze in Haleiwa?
- Freezes don't happen in Haleiwa in a normal year — no 32°F night at the nearest NOAA station across 1991–2020, with Haleiwa's coldest month near 69°F.
- What is the rainy season in Haleiwa?
- Haleiwa sees its heaviest rain in December (around 5.6 inches), part of roughly 33 inches a year.
- What is the warmest month in Haleiwa?
- August is Haleiwa's warmest month, averaging about 78°F.
- What is the coldest month in Haleiwa?
- Haleiwa bottoms out in February, with a mean near 69°F.
- When can I start a vegetable garden in Haleiwa?
- Start whenever suits in Haleiwa — freezes are too rare for a frost date — and save lettuce and peas for Haleiwa's coolest stretch, near 69°F.
- How many rainy days does Haleiwa get?
- Haleiwa averages about 155 days with measurable rain or snow each year.
- What hardiness zone is Haleiwa?
- Haleiwa's hardiness zone tracks its winter low; with February near 69°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Haleiwa?
- Haleiwa'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 Haleiwa?
- See this week's day-by-day rain chances for Haleiwa in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Haleiwa?
- Current conditions for Haleiwa and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Haleiwa forecast updated?
- The Haleiwa forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Haleiwa?
- Today's sunrise and sunset times for Haleiwa 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 Haleiwa?
- The next few days in Haleiwa's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
ZIP codes in Haleiwa
- 96712
- 96791