Jefferson, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Jefferson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle34%0.04″79°68°—
- SundayJul 5Overcast15%—78°64°-1°
- MondayJul 6Showers64%1.8″69°59°-9°
- TuesdayJul 7Drizzle67%0.09″64°56°-5°
- WednesdayJul 8Overcast20%—70°55°+6°
- ThursdayJul 9Light Drizzle25%0.01″78°58°+8°
- FridayJul 10Light Drizzle62%—76°60°-2°
AQI 49 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 43 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 0.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 5.6 µg/m³, PM10 at 6.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- breezy
- Recent rain
- 1h 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
- 10:55 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Jefferson at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 12093
16-Day Forecast — Jefferson
- Sat80°68°34%
- Sun78°65°15%
- Mon69°59°64%
- Tue64°56°67%
- Wed70°55°20%
- Thu78°58°25%
- Fri76°60°62%
- Sat72°61°24%
- Sun68°56°30%
- Mon75°54°23%
- Tue72°55°33%
- Wed74°51°46%
- Thu70°57°56%
- Fri80°59°44%
- Sat80°62°49%
- Sun70°64°54%
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 — Jefferson
SPC has placed Jefferson in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Jefferson
- 12093