Greigsville, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Greigsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain47%0.24″83°71°—
- SundayJul 5Light Drizzle33%0.07″84°64°+1°
- MondayJul 6Drizzle49%0.16″66°60°-18°
- TuesdayJul 7Light Drizzle30%0.01″69°59°+3°
- WednesdayJul 8Overcast16%—79°57°+10°
- ThursdayJul 9Thunderstorm38%0.13″78°66°-1°
- FridayJul 10Light Drizzle43%—75°60°-3°
AQI 48 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 43. 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 6.2 µg/m³ (AQI 34) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:09 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Greigsville at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Greigsville
- Sat83°71°47%
- Sun84°64°33%
- Mon66°60°49%
- Tue69°59°30%
- Wed79°57°16%
- Thu78°66°38%
- Fri75°60°43%
- Sat78°56°25%
- Sun76°62°20%
- Mon76°59°19%
- Tue74°65°41%
- Wed68°59°36%
- Thu79°57°40%
- Fri83°62°32%
- Sat72°60°28%
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 — Greigsville
SPC includes Greigsville in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.
ZIP codes in Greigsville
- 14533