Lyon Mountain, New York Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Lyon Mountain weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——72°57°—
- SaturdayJun 6Rain71%0.27″66°59°-6°
- SundayJun 7Drizzle81%0.12″58°45°-8°
- MondayJun 8Overcast——72°45°+14°
- TuesdayJun 9Overcast——77°51°+5°
- WednesdayJun 10Mostly Clear18%—82°55°+5°
- ThursdayJun 11Partly Cloudy39%—87°59°+5°
AQI 59 (Moderate), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 76. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 AM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 76. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 76
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 17
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
- 4:08 AM
- Moonset
- 1:47 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Lyon Mountain at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 14 (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 — Lyon Mountain
SPC has placed Lyon Mountain in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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.