Winooski, Vermont Weather
Hourly forecast in Winooski
16-day forecast for Winooski
Check any date
Winooski air quality & conditions
Air quality index
Today's outlook for Winooski
Loading today's outlook…
Explore nearby
Weather articles
Weather news
Climate of Winooski: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Winooski, with average daytime highs around 26°C. January is the coolest, when nights typically fall to about -14°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 39°C, so the seasons feel very different from each other.
The area receives about 1060 mm of rain in a typical year. Most of it falls from May to August and October (around 52% of the yearly total), and June is the wettest month at roughly 128 mm.
For outdoor plans and travel, September usually offers the most comfortable weather in Winooski, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -4° | -14° | 55 mm | 92% |
| Feb | -3° | -13° | 58 mm | 91% |
| Mar | 2° | -7° | 67 mm | 85% |
| Apr | 10° | 1° | 86 mm | 78% |
| May | 18° | 8° | 102 mm | 77% |
| Jun | 23° | 13° | 128 mm | 77% |
| Jul | 26° | 16° | 109 mm | 77% |
| Aug | 25° | 15° | 100 mm | 76% |
| Sep | 21° | 11° | 86 mm | 77% |
| Oct | 13° | 4° | 113 mm | 81% |
| Nov | 5° | -2° | 75 mm | 85% |
| Dec | -1° | -9° | 83 mm | 90% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Winooski. Values describe typical conditions, not a forecast.
About Winooski weather
Winooski lies in Vermont's humid continental climate in the Green Mountains — about 3 km north-east of Burlington. Expect mild, pleasant summers (June–August). Winter brings cold, snowy winters (December–March), a mainstay of the state's ski industry. This page shows live, auto-refreshing weather for Winooski: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Winooski is about 3 km north-east of Burlington, in Vermont.
Winooski sees cold, snowy winters (December–March), a mainstay of the state's ski industry.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Winooski's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Winooski, with average daytime highs of about 26°C and nights around 16°C.
The coldest nights come in January, when the average low is about -14°C and daytime highs reach around -4°C. Frost is possible on clear, calm nights.
Winooski receives about 1060 mm of rain in a typical year. June is the wettest month at roughly 128 mm, and the main rainy period is May to August and October.
September usually offers the most comfortable weather in Winooski, with mild daytime temperatures and little rain.
In November Winooski typically sees daytime highs near 5°C and lows near -2°C, with about 75 mm of rain over the month and average humidity around 85%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Winooski updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Winooski's day-to-day weather follows the broader pattern of Vermont described above. See the hourly weather forecast or the air quality index for more detail.