Winooski, Vermont Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Winooski weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Drizzle78%0.06″68°59°—
- TuesdayJun 16Overcast——74°54°+6°
- WednesdayJun 17Light Showers24%0.06″70°57°-4°
- ThursdayJun 18T-storm w/ Hail77%0.13″73°57°+3°
- FridayJun 19Light Drizzle18%—74°57°+1°
- SaturdayJun 20Drizzle41%0.05″66°53°-8°
- SundayJun 21Light Drizzle28%0.01″55°51°-11°
AQI 27 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 31 — peak already passed at 1 PM under partly cloudy 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 31 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 31
- UV peak
- 4.6 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 31
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
- 5:01 AM
- Moonset
- 8:58 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Winooski at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Winooski
- Mon68°59°78%
- Tue74°53°5%
- Wed70°57°24%
- Thu73°57°77%
- Fri74°57°18%
- Sat66°53°41%
- Sun55°51°28%
- Mon66°49°35%
- Tue71°48°25%
- Wed75°53°22%
- Thu78°55°35%
- Fri70°61°52%
- Sat70°55°63%
- Sun76°51°45%
- Mon87°68°36%
- Tue79°65°42%
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 — Winooski
SPC has placed Winooski 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 Winooski
- 05404