Jefferson, New York Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Jefferson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Heavy Rain93%0.97″63°52°—
- TuesdayJun 16Overcast——67°47°+4°
- WednesdayJun 17Drizzle49%0.03″68°50°+1°
- ThursdayJun 18Thunderstorm75%0.32″75°54°+7°
- FridayJun 19Light Drizzle23%—65°49°-10°
- SaturdayJun 20Overcast12%—62°49°-3°
- SundayJun 21Light Drizzle18%—64°45°+2°
AQI 38 (Good), driven by Ozone. AQI down 10 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 5:17 AM
- Moonset
- 8:54 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Jefferson at a glance
- Today vs. normal: 20°F below the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Jefferson
- Mon63°52°93%
- Tue67°47°4%
- Wed68°50°49%
- Thu75°54°75%
- Fri65°49°23%
- Sat62°49°12%
- Sun64°45°18%
- Mon67°49°27%
- Tue68°45°29%
- Wed72°47°22%
- Thu68°56°33%
- Fri68°52°57%
- Sat71°47°29%
- Sun73°50°53%
- Mon75°63°46%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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 Jefferson
- 12093