Melville, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Melville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast31%—99°78°—
- SundayJul 5Rain71%0.48″87°71°-12°
- MondayJul 6Light Showers84%0.52″72°66°-15°
- TuesdayJul 7Rain73%0.56″66°61°-6°
- WednesdayJul 8Partly Cloudy15%—84°60°+18°
- ThursdayJul 9Overcast19%—85°68°+1°
- FridayJul 10Light Drizzle35%—92°69°+7°
AQI 56 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 17.9 µg/m³, PM10 at 19.3 µg/m³ — typical background levels with no transport signature.
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 30 now. With UV 1.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 30
- UV peak
- 1.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 17.9 µg/m³, PM10 at 19.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- 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
- 10:48 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Melville at a glance
- Today vs. normal: 13°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 code: 11747
16-Day Forecast — Melville
- Sat99°78°31%
- Sun87°71°71%
- Mon72°66°84%
- Tue66°61°73%
- Wed84°60°15%
- Thu85°68°19%
- Fri92°69°35%
- Sat80°71°23%
- Sun72°66°25%
- Mon69°64°16%
- Tue76°64°19%
- Wed86°65°23%
- Thu95°72°27%
- Fri97°79°43%
- Sat84°76°43%
- Sun87°71°37%
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 — Melville
SPC has placed Melville in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.
Beaches near Melville
- Robert Moses Beach13.3 mi
- Jones Beach13.9 mi
- Long Beach NY18.7 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 Melville
- 11747
- 11775