Central Islip, New York Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Central Islip weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——86°54°—
- SaturdayJun 6Overcast34%—84°58°-2°
- SundayJun 7Overcast34%0.03″85°66°+1°
- MondayJun 8Overcast——80°58°-5°
- TuesdayJun 9Clear——85°60°+5°
- WednesdayJun 10Overcast14%—83°61°-2°
- ThursdayJun 11Overcast19%—81°62°-2°
AQI 49 (Good), driven by PM2.5. AQI down 27 over the last 6 hours — air quality is improving sharply. PM2.5 at 18.6 µg/m³ (AQI 69) with a 0.86 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 18.6 µg/m³ (AQI 69) with a 0.86 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- Wind
- light
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:54 AM
- Moonset
- 1:55 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Central Islip at a glance
- Today vs. normal: 18°F below the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 — Central Islip
SPC has placed Central Islip in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- 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 Central Islip
- Robert Moses Beach11.7 mi
- Jones Beach Beach20.9 mi
- Long Beach NY Beach27.8 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.