Harriman, New York Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Harriman weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Partly Cloudy——82°51°—
- ThursdayJun 4Overcast——85°59°+3°
- FridayJun 5Overcast——85°61°0°
- SaturdayJun 6Heavy Drizzle20%0.02″87°63°+2°
- SundayJun 7Light Drizzle74%—83°63°-4°
- MondayJun 8Overcast41%—77°57°-6°
- TuesdayJun 9Overcast14%—80°52°+3°
PM2.5 at 7.6 µg/m³, PM10 at 8.0 µg/m³ — typical background levels with no transport signature. AQI flat over the last 6 hours (within ±3 points).
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 34 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 by mid-afternoon.
- Present
- AQI 34
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 7.6 µg/m³, PM10 at 8.0 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:29 AM
- Moonset
- 12:52 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Harriman at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 24 (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 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.